Remote sensing

Acquiring information about a natural feature or phenomenon, such as the Earth's surface, without actually being in contact with it. USGS remote sensing is usually carried out with airborne or spaceborne sensors or cameras.
This category is also used for airborne imaging, photogrammetry, satellite imaging, and space-borne sensing.
Subtopics:
IFSAR (1 items)
Lidar (4 items)
Radar imaging (3 items)
Thermal imaging (3 items)

Satellite images (35 items)
Related topics:


Results listed by similarity [list alphabetically]
Comparative mineral mapping in the Colorado Mineral Belt using AVIRIS and ASTER remote sensing data

A multidisciplinary mapping and data integration project focused on long-term resource planning by the mapping and characterization of exposed surface mineralogy, including that related to hydrothermal alteration and supergene weathering of pyritic rocks.

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Identification of mineral resources in Afghanistan-Detecting and mapping resource anomalies in prioritized areas using geophysical and remote sensing (ASTER and HyMap) data

Using geophysical and remote-sensing data, previously unrecognized targets of potential mineralization were identified; this report shows those targets along with the evidence for their potential.

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Airborne imaging spectrometer data collected for characterizing mineral resources near Nabesna, Alaska, 2014

Flight-line data for a hyperspectral survey using the HyMap sensor over this area in 2014 where porphyry deposits are exposed. The data are provided in imagery formats.

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Digital maps of hydrothermal alteration type, key mineral groups, and green vegetation of the western United States derived from automated analysis of ASTER satellite data

Mineral groups identified through automated analysis of remote sensing data acquired by the ASTER system were used to map the type and spatial distribution of hydrothermal alteration, other exposed mineral groups, and green vegetation.

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Airborne electromagnetic and magnetic geophysical survey data of the Yukon Flats and Fort Wainwright areas, central Alaska, June 2010

Study to estimate the 3-D distribution of permafrost, to evaluate the effectiveness of these methods at mapping permafrost geometry, and to better define the physical properties of the subsurface in discontinuous permafrost areas.

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Airborne electromagnetic and magnetic survey data and inverted resistivity models, Cedar Rapids, Iowa, May 2017

Airborne electromagnetic and magnetic survey data were collected in 2017 along 347 line kilometers. Includes processed AEM and magnetic data and inverted resistivity depth sections. Data are provided in CSV format.

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Airborne electromagnetic and magnetic survey data and inverted resistivity models, western Yukon Flats, Alaska, February 2016

Airborne electromagnetic and magnetic survey data were collected during 2016 along 300 line kilometers in this area, flown at a nominal flight height of 30 m above terrain along widely spaced reconnaissance lines. Includes raw and processed AEM data, laterally-constrained inverted resistivity depth sections along all flight lines, and unprocessed and processed magnetic data. Data are provided in CSV format.

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Airborne electromagnetic and magnetic survey data from the western Hualapai Indian Reservation near Grand Canyon West and Peach Springs, Arizona, 2018

Airborne electromagnetic (AEM) and magnetic survey data along 1,637 line-km at a nominal flight height of 30m above terrain (averaging 53m), with nominal line spacing 1 km or 4 km. Data provided are minimally processed AEM and magnetic measurements, fully processed AEM data were used to develop an included resistivity model.

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Airborne electromagnetic and magnetic survey data in Big Cypress National Preserve and Everglades National Park, 2001

Airborne electromagnetic (AEM) and magnetic survey data, a total of 3065 line-kilometers, collected during October 2001 with line spacing 400m and nominal altitude of 30m. Includes raw and processed AEM data and magnetic data, in CSV format.

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Airborne electromagnetic and magnetic survey data of the San Juan-Silverton Caldera complex, Silverton, Colorado, 2019

Airborne electromagnetic and magnetic survey data were collected during 2019 along 1,467 line-kilometers in this area. The survey was flown at a mean flight height of 140 meters (m) above terrain and line spacings ranging from 150 m to 600 m. Data are provided in CSV and shapefile formats.

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Airborne electromagnetic and magnetic survey data, Big Sioux aquifer, October 2015, Sioux Falls, South Dakota

Airborne electromagnetic (AEM) and magnetic survey data collected in 2015 along 769 line-kilometers including raw and processed AEM and magnetic data, processed AEM resistivity-depth inversions. Data are provided in CSV format.

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Airborne electromagnetic and magnetic survey data, East Poplar Oil Field and surrounding area, October 2014, Fort Peck Indian Reservation, Montana

Airborne electromagnetic and magnetic survey data were collected in 2014 in this area. The survey was flown at a nominal flight height of 30 m above terrain, line spacing of 200 m with a smaller area at 100 m. Includes raw and processed AEM data and spatially-constrained inverted resistivity depth sections, and unprocessed and processed magnetic data that has been drift corrected, leveled, and draped to terrain. Data are provided in CSV format.

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Airborne electromagnetic and magnetic survey data, Iliamna Volcano, Alaska, June 2012

Airborne electromagnetic and magnetic survey data in 2012 along 556 line-kilometers over this volcano flown at a nominal flight height of 30 meters (m) above terrain with a nominal spacing of 250 m. Data are provided in CSV and GeoTiff formats.

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Airborne electromagnetic and magnetic survey data, northeast Wisconsin

Airborne electromagnetic and magnetic survey data collected during 2021 over 3,170 line kilometers with nominal flight height of 30 - 40 m above terrain and nominal line spacing of 0.5 miles. Data are provided in Geosoft database, Geosoft grid, GeoTiff, Geosoft map, and netCDF formats.

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Airborne electromagnetic and magnetic survey data, southeastern San Joaquin Valley near Cawelo, California, 2016

Airborne electromagnetic (AEM) and magnetic survey data to support groundwater salinity mapping and hydrogeologic framework development. Data are provided in CSV format.

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Airborne electromagnetic and magnetic survey data, Stillwater Complex, Montana, May 2000 (ver. 2.0, June 2020)

Data from a helicopter-borne electromagnetic and magnetic survey flown over this area area in 2000. Nominal elevation of the sensor was 60 meters. Survey coverage comprises 1,914 line kilometers. Data are provided in CSV format.

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Airborne Electromagnetic and Magnetic Survey, Yellowstone National Park, 2016 - Minimally Processed Data

Airborne electromagnetic and magnetic survey data were collected during 2016 along 4,212 line-kilometers over this area. The survey was flown with a nominal line spacing of 450 meters or less, and mean flight height about 48 m providing depth of investigation about 500m. Data are provided in CSV format, flight lines in shapefile format.

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Airborne electromagnetic data and processing within Leach Lake Basin, Fort Irwin, California

Releases airborne survey data, resistivity cross-sections and depth slices derived from data inversion. Resulting resistivity models confirm geologic framework, constrain hydrostratigraphy and depth to basement, and reveal fault and fold distribution.

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Airborne Electromagnetic Survey Processed Data and Models Data Release, Yellowstone National Park, Wyoming, 2016

Airborne electromagnetic (AEM) and magnetic survey data were collected in 2016 along 4,212 line-kilometers over this area as part of a study of the subsurface geologic structure and geothermal and groundwater resources of Yellowstone National Park. Data are provided in CSV format.

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Airborne geophysical surveys conducted in western Nebraska, 2010: contractor reports and data

Three contractor reports and data files for an airborne electromagnetic survey describing data aquisition and processing. Processed geophysical data were inverted to produce resistivity depth sections along flight lines. Results are described herein.

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Airborne hyperspectral survey of Afghanistan 2007: Flight line planning and HyMap data collection

Planning of the airborne survey and the flight lines that were flown, includes digital files of the nadir tracks of the flight lines.

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Bayesian modeling of NURE airborne radiometric data for the conterminous United States: predictions and grids

Estimates of potassium, equivalent uranium, and equivalent thorium for the conterminous United States derived from the USGS national airborne radiometric data compilation analyzed using a Bayesian hierarchical model to produce new grids for this area. Data are provided in CSV and GeoTIFF formats.

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Composite and merged aeromagnetic data for Alaska

Magnetic anomaly expressed in grids with regular spacing derived from 85 separate surveys and provided in several different formats.

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Description and validation of an automated methodology for mapping mineralogy, vegetation, and hydrothermal alteration type from ASTER satellite imagery with examples from the San Juan Mountains, Colorado

Raster image files indicating the interpreted alteration and mineral groups inferred using the methodology.

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Digital aeromagnetic data from the Sandoval-Santa Fe, Belen, and Cochiti airborne survey, covering areas in Rio Arriba, Sandoval, Santa Fe, Socorro, and Valencia Counties, New Mexico

Grids and flight-line data for three airborne geophysical surveys

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Digital map of iron sulfate minerals, other mineral groups, and vegetation of the San Juan Mountains, Colorado, and Four Corners Region derived from automated analysis of Landsat 8 satellite data

Multispectral remote sensing data acquired by the Landsat 8 Operational Land Imager (OLI) sensor were analyzed using a new, automated technique to generate a map of exposed mineral and vegetation groups in this area. Results are provided in ERDAS Imagine format.

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Digital map of iron sulfate minerals, other mineral groups, and vegetation of the western United States derived from automated analysis of Landsat 8 satellite data

Multispectral remote sensing data acquired by Landsat 8 Operational Land Imager (OLI) sensor were analyzed using an automated technique to generate surficial mineralogy and vegetation maps of the conterminous western United States. Data are provided in ERDAS Imagine format.

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High-Resolution Airborne Gravity Gradiometry, Magnetic, and Radiometric Data of Mountain Pass, Southeast Mojave Desert, California

Detailed airborne gravity gradiometry, magnetic, and radiometric survey data for this area flown with flight-line spacing of 100 and 200 m, nominal flight-line elevation above ground of 70 m, for about 1,814 line-kilometers. Data are provided in CSV and Geosoft database (.gdb) format. Gravity and hillshade are in GXF grids.

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Imaging spectrometer reflectance data, mineral predominance map, and white mica wavelength position map, Nabesna Quadrangle, Alaska

Reflectance, mineral predominance, and white mica wavelength position data calculated from an airborne hyperspectral imaging survey of this area using a HyMap sensor in 2014. Data are provided in a format generated by the ENVI software product, CSV, and GeoTiff.

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Mineral and Vegetation Maps of the Bodie Hills, Sweetwater Mountains, and Wassuk Range, California/Nevada, Generated from ASTER Satellite Data

Analyzed remote sensing data identify and map minerals, vegetation groups, and volatiles. Four maps show: 1) mineral groups, 2) iron bearing minerals, vegetation, water, 3) clay, sulfate, mica, carbonate, Mg-OH, hydrous quartz and 4) quartz abundance.

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Mount Baker and Mount Adams Airborne Magnetic and Electromagnetic Survey Data, August 2002, Washington, USA

Flight line data for an airborne magnetic survey with nominal sensor height of 60m above terrain, flight-line data for a gravity gradiometry survey, with a report containing instrument and procedure details. Data are provided in CSV format.

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Surface mineral maps of Afghanistan derived from HyMap imaging spectrometer data, version 2

The report presents new maps from data collected in 2007 and the processing steps applied to that data. The maps are being used for natural resource development and to prioritize study areas of mineral distribution to assist with economic revitalization.

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Aerial gamma-ray, Landsat TM, and digital elevation data, Big Bend area, Texas

This report presents the results of analyses and interpretation of aerial gamma-ray, Landsat TM, geologic, and digital elevation data of the Big Bend area in Texas.

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Aeromagnetic and aeroradiometric data acquired over parts of the Trans-Pecos region of West Texas and Southern New Mexico

Magnetic anomaly and radiometric data for this area, to understand the geological structure and processes controlling the presence and distribution of alkaline igneous rocks that may be enriched in rare earth elements. Data are provided in CSV, GeoTiff, and Geosoft XYZ (flight-line) formats, packaged using the compressed 7-zip format.

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Aeromagnetic and aeroradiometric data for the conterminous United States and Alaska from the National Uranium Resource Evaluation (NURE) program of the U.S. Department of Energy

Aeroradiometric and aeromagnetic flight-line data from surveys flown at 400 feet with line spacing from 3 to 6 miles from 1974 through 1981.

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Aeromagnetic and gravity data over the central Transantarctic Mountains (CTAM), Antarctica

Gridded and tabular magnetic data and gravity station observations. Maps depicting the data are included in the report.

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Aeromagnetic data centered over Skelton Neve, Antarctica

Gridded aeromagnetic and ground-based gravity station data

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Aeromagnetic Data of Alturas, California, and Surrounding Areas

Aeromagnetic survey data giving the calculated magnetic anomaly. Data are provided in CSV format.

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Aeromagnetic data, processing, and maps of Fort Irwin and vicinity, California

Aeromagnetic data help provide the underpinnings of a hydrogeologic framework for Fort Irwin by locating inferred structural features or grain that influence groundwater flow. Magnetization boundaries defined by horizontal-gradient analyses coincide lo

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Aeromagnetic surveys in Afghanistan: An updated website for distribution of data

Gridded aeromagnetic anomaly data, along with aeromagnetic observations obtained during 2008.

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Airborne electromagnetic and magnetic survey, southwestern San Joaquin Valley near Lost Hills, California, 2016

Airborne electromagnetic (AEM) and magnetic survey data in this area to aid groundwater studies. Includes inverted resistivity model. Data are provided in CSV, plotted sections provided in PDF.

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Airborne electromagnetic, magnetic, and radiometric survey of the Mississippi Alluvial Plain, November 2018 - February 2019

Airborne electromagnetic, magnetic, and radiometric data were acquired in 2018-2019 along 16,816 line-kilometers flown at a nominal sensor flight height of 30 m above terrain with 6- to 12-kilometer spaced east-west flight lines to understand subsurface geologic structure and inform hydrologic models. Data are provided in CSV and GXF grid formats. Flight lines are provided in shapefile format.

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Airborne electromagnetic, magnetic, and radiometric survey of the Mississippi Alluvial Plain, November 2019 - March 2020

Airborne electromagnetic, magnetic, and radiometric data were acquired from 2019 to 2020 along 24,030 line-kilometers over the Mississippi Alluvial Plain. Survey was flown at a nominal height of 120 m above terrain with 6-kilometer spaced east-west flight lines. Data are provided in ASEG-GDF2 format.

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Airborne electromagnetic, magnetic, and radiometric survey, Shellmound, Mississippi, March 2018

Airborne electromagnetic, magnetic, and radiometric data were acquired in 2018 along 2,364 line-kilometers in this area at anominal sensor flight height of 30 m above terrain with 250 to 1,000-meter spaced flight lines. Data are provided in GXF grid, CSV, and GeoTiff formats.

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Airborne electromagnetic, magnetic, and radiometric survey, upper East River and surrounding watersheds near Crested Butte, Colorado, 2017

Airborne electromagnetic, magnetic, and radiometric data collected in 2017 over 1,984 line-kilometers in this area. Data include inverted resistivity and IP models as well. Data are provided in CSV format.

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Airborne Geophysical Survey Inventory of the Conterminous United States, Alaska, Hawaii, and Puerto Rico (ver. 3.0, November 2021)

Compilation of airborne geophysical surveys (magnetic, radiometric, and electromagnetic) with links, for each survey to the data, metadata, and preview images. Includes a measure of quality indicating which surveys are likely most useful for investigations of subsurface mineral deposits. Data are provided in Esri file geodatabase, shapefile, and CSV formats.

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Airborne geophysical surveys

Airborne surveys measuring the earth's magnetic field, resistivity or other electomagnetic properties, or gamma ray emission over parts of North America.

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Airborne Geophysical Surveys over the 2011 Mineral, Virginia Earthquake Area

Gravity, magnetic, and radiometric data obtained in airborne surveys conducted in 2012 with a flight line spacing of 200m and nominal height above ground 125m. Data are provided in GXF grid, GeoTiff, and CSV formats.

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Airborne Geophysical Surveys over the Eastern Adirondacks, New York State

Airborne geophysical surveys were conducted in this area in 2015 with a nominal survey height above ground of 200 meters and flight line spacing 250 meters. Includes magnetic and radiometric (gamma spectrometry) data from those surveys. Data are provided in Geotiff and CSV formats.

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Airborne magnetic and radiometric survey of the southeast Mojave Desert, California and Nevada

Digital flight-line aeromagnetic and aeroradiometric survey data over of the southeast Mojave Desert, parts of California and Nevada. Data files are provided in CSV as well as Geosoft binary database and grid exchange format (GXF).

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Airborne magnetic and radiometric survey over northwest Arkansas, 2019-2020

Digital flight line data for a high-resolution magnetic and radiometric survey over an area of northwest Arkansas. Data files in CSV format, with GeoTiff as well.

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Airborne magnetic and radiometric survey, Charleston, South Carolina and surrounds, 2019

Digital flight line data for a high-resolution airborne magnetic and radiometric survey over Charleston, South Carolina and the surrounding region. Data packages in CSV format, TIFF images provided as well.

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Airborne magnetic and radiometric survey, Columbia, South Carolina and surrounds, 2020

Digital flight line data for a high-resolution airborne magnetic and radiometric survey with goals of better understanding placer deposits containing critical mineral resources titanium, zirconium, and rare earth elements and of imaging the crystalline basement partly buried beneath Atlantic Coastal Plain sediments. Data are provided in CSV (magnetic) and netCDF (radiometric) formats as well as GeoTIFF images.

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Airborne magnetic and radiometric survey, Ironton, Missouri area

Digital flight line data for a high resolution horizontal magnetic gradient and radiometric survey over this area. Flight line spacing was 300 m, mean terrain clearance was 140 m. Includes flight line data for the magnetic gradient survey, flight line data for the radiometric survey and a report describing the survey parameters, field operations, quality control and data reduction procedures. Data are provided in CSV format, flight lines are provided in shapefile format.

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Airborne magnetic and radiometric survey, southeast Missouri and western Illinois, 2018-2019

Digital flight line data for a high-resolution horizontal magnetic gradient and radiometric survey over an area of southeast Missouri and western Illinois. Data are provided in CSV and GeoTiff formats.

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Airborne magnetic and radiometric survey, southeastern Illinois, western Kentucky, and southern Indiana, 2019

Digital flight line data for a high-resolution magnetic and radiometric survey over an area of southeast Illinois, western Kentucky, and southern Indiana. Data are provided in CSV and GeoTiff formats.

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Airborne magnetic survey, Iron Mountain-Chatham region, central Upper Peninsula, Michigan, 2018

Digital flight line data for a high-resolution magnetic survey with line spacing 150 meters and nominal terrain clearance 80 meters over most of the study area. Data are provided as Geosoft databases and grids. Data over two small areas (less than 1 sq km combined) were redacted because those areas include multiple tracts of Native American lands.

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Airborne Magnetic Total-Field Survey, Iron Mountain-Menominee Region, Michigan-Wisconsin, USA

Airborne magnetic survey data collected from this area to better understand the lithology and structure of exposed and concealed Precambrian rocks in support of mineral resource investigations. Results are provided in Geosoft database, grid exchange format, GeoTiff, and CSV.

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Airborne Magnetic Total-Field Survey, Manchester Region, Iowa, USA

Airborne magnetic survey data collected from this area to understand Precambrian rocks concealed under Paleozoic sedimentary rocks in northeast Iowa. Data are provided in GXF grid and CSV formats. Flight lines are provided in shapefile format.

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Airborne radiometric maps of Mountain Pass, California

Geophysical investigations of Mountain Pass and vicinity were begun as part of an effort to study regional crustal structures as an aid to understanding the geologic framework and mineral resources of the eastern Mojave Desert. The study area encompasses

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Alaska digital aeromagnetic database description

Basic aeromagnetic data and other airborne survey information for any region of Alaska. Flight-line point information, not grids.

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Alteration, slope-classified alteration, and potential lahar inundation maps of volcanoes for the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Volcano Archive

Identifies hydrothermally altered volcanic edifices and vulnerable areas downstream by mapping alteration on volcanoes, highlighting lahar prone watersheds using Global Digital Elevation Model data, and modeling via a lahar flow-fill modeling program

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Arizona aeromagnetic and gravity maps and data

Aeromagnetic surveys of Arizona, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Arkansas and Louisiana aeromagnetic and gravity maps and data

Aeromagnetic surveys of Arkansas and Louisiana, merged to form seamless grids across the states. Gravity anomaly data are provided as well.

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Central west Antarctica aeromagnetic data

Grids and map images for separate surveys and combined compilation

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Colorado aeromagnetic and gravity maps and data

Aeromagnetic surveys of Colorado, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Compiling magnetic databases

Explains the process used to compile and analyze data from diverse magnetic surveys of an area to produce a consistent synoptic data set portraying the magnetic anomalies of the region.

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Corescan Hyperspectral Core Imager, Mark III system data collected for the characterization of mineral resources near Nabesna, Alaska, 2014-2016

Hyperspectral analysis of rock samples using this equipment provide information on the composition and morphology of the minerals in the rock in microscopic detail. Data are provided as imagery in various formats.

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Crustal Architecture Beneath the Southern Midcontinent (USA) -- Data Grids and 3D Geophysical Models

Regional grid files and 3D voxel models were used to study crustal architecture. Includes grid files consist of surface grids used in the inversions, and calculated geophysical data grids produced by the inversions. Data are provided in GOCAD voxel and GXF grid formats.

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Description of digital aeromagnetic data collected north and west of Albuquerque, New Mexico

Grids and images depicting the data

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Digital aeromagnetic data and derivative products from a helicopter survey over the town of Blanca and surrounding areas, Alamosa and Costilla Counties, Colorado

Flight-line data, grids, and images derived from them

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Digital aeromagnetic data and derivative products from a helicopter survey over the town of Taos and surrounding areas, Taos County, New Mexico.

Flight-line data, grids, and images derived from them

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Digital Aeromagnetic Datasets for the Conterminous United States and Hawaii - A Companion to the North American Magnetic Anomaly Map

Digital and analog archives comprising more than 1,000 surveys, covering approximately 8,000,000 line-km of data, flown at various flight heights and line spacings

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Digital data and derivative products from a high-resolution aeromagnetic survey of the central San Luis basin, covering parts of Alamosa, Conejos, Costilla, and Rio Grande Counties, Colorado, and Taos County, New Mexico

Digital data, image files, and text files describing data formats and survey procedures for aeromagnetic data collected during a high-resolution aeromagnetic survey in southern Colorado and northern New Mexico during October, 2004

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Digital data from the Great Sand Dunes and Poncha Springs aeromagnetic surveys, south-central Colorado

Two high-resolution aeromagnetic surveys in south-central Colorado compiled to assess the subsurface geologic framework of the San Luis basin for ground-water flow model construction, and to map concealed faults potentially related to geothermal resources

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Digital data from the northeast Tusas Mountains aeromagnetic survey, north-central New Mexico

Flight-line aeromagnetic observations with gridded data derived from them.

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Digital data from the Questa-San Luis and Santa Fe East helicopter magnetic surveys in Santa Fe and Taos Counties, New Mexico, and Costilla County, Colorado

Aeromagnetic data collected during an airborne geophysical survey.

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Digital data from the Taos West aeromagnetic survey in Taos county, New Mexico

Digital data, image files, and text files describing data formats and survey procedures for an aeromagnetic survey covering the southwestern portion of Taos County west of the Town of Taos, New Mexico, conducted in October, 2006

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Digitized Aeromagnetic Datasets for the Conterminous United States, Hawaii, and Puerto Rico

Aeromagnetic anomaly values digitized from older surveys

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Distribution of igneous rocks in Medina and Uvalde counties, Texas, as inferred from aeromagnetic data

High resolution aeromagnetic survey used to infer the locations of igneous rock bodies in the area, which are provided in GIS data files

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Distribution of Potential Hydrothermally Altered Rocks in Central Colorado Derived From Landsat Thematic Mapper Data: A Geographic Information System Data Set

As part of a mineral resource assessment, imagery data were used to help target areas where exposed rocks might be hydrothermally altered, providing an indication of the location of potentially mineralized areas that may contain mineral deposits.

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Earth MRI data acquisition projects

Geological, geophysical, geochemical, or lidar data acquisition projects funded by the Earth Mapping Resource Initiative (Earth MRI) pertaining to the study of critical mineral resources in the US.

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Gamma-ray, magnetic, and topographic data for parts of the Colorado Front Range

Five geospatial grids from the NURE surveys, showing potassium, uranium, and thorium concentration, residual magnetic field, and digital elevation.

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Geological and geophysical data for a three-dimensional view—Inside the San Juan and Silverton Calderas, Southern Rocky Mountains Volcanic Field, Silverton, Colorado

<h1>Introduction</h1>The San Juan-Silverton caldera complex located near Silverton, Colorado, in the Southern Rocky Mountains volcanic field is an ideal natural laboratory for furthering the understanding of shallow-to-deep volcanic-related mineral system

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Geophysical and geochemical data from the area of the Pebble Cu-Au-Mo porphyry deposit, southwestern Alaska: Contributions to assessment techniques for concealed mineral resources

Uninterpreted geophysical measurements and geochemical and mineralogical analytical data from samples collected during the summer field seasons from 2007 to 2010. Data are available in a single Geographic Information System (GIS) database.

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Georgia aeromagnetic and gravity maps and data

Aeromagnetic surveys of Georgia, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Gravity and ground magnetic data from selected traverses in the Amargosa desert and vicinity, Nevada and California

Maps of aeromagnetic data and a table of gravity station data now available for download

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Gravity, magnetic, and physical property data in the Smoke Creek Desert area, Northwest Nevada

Aerial, truck-towed, and hand-held magnetometer measurements, gravity station data, and sample density and magnetic susceptibility measures

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Guide to geophysical data for the northern Rocky Mountains and adjacent areas, Idaho, Montana, Washington, Oregon, and Wyoming

Mathematical analysis of gravity and aeromagnetic data, with basic and derived grids and vector data and maps.

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Helicopter Electromagnetic and Magnetic Geophysical Survey Data for Portions of the North Platte River and Lodgepole Creek, Nebraska, June 2008

The objective of the survey was to improve the understanding of the relationship between surface water and groundwater systems critical to developing management programs for water resources.

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Helicopter electromagnetic and magnetic geophysical survey data, Hunton anticline, south-central Oklahoma

Flight line data, grids, and inversions for these surveys are intended to help understand shallow groundwater and develop groundwater resource plans for the aquifer.

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Helicopter electromagnetic and magnetic geophysical survey data, Oakland, Ashland, and Firth study areas, eastern Nebraska, March 2007

Electrical resistivity depicted in georeferenced grids and maps, representing different approximate depths of investigation for each area. The range of subsurface investigation is comparable to the depth of shallow aquifers.

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Helicopter electromagnetic and magnetic geophysical survey data, Swedeburg and Sprague study areas, eastern Nebraska, May 2009

The objective of the contracted survey was to improve the understanding of the relation between surface water and groundwater systems critical to developing groundwater models used in management programs for water resources.

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Helicopter electromagnetic and magnetic survey data and maps, northern Bexar County, Texas

Grids, images, and flight-line paths for magnetic and resistivity surveys

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Helicopter electromagnetic and magnetic survey maps and data, East Poplar oil field area, August 2004, Fort Peck Indian Reservation, northeastern Montana

Grids, line data, and imagery derived from them covering the small study area.

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High-Resolution Airborne Radiometric Survey of Mountain Pass, California

Data obtained from a detailed airborne radiometric survey of this area flown by helicopter at a flight-line spacing of 100 and 200 m, a flight-line azimuth of 70 degrees, a nominal flight-line elevation above ground of 70 m, over about 1,814 line-kilometers. Radioelement data are presented for potassium (K), equivalent thorium (eTh), and equivalent uranium (eU). Data are provided in GXF format.

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Illinois, Indiana, and Ohio magnetic and gravity maps and data

Aeromagnetic surveys of Illinois, Indiana, and Ohio, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Iowa magnetic and gravity maps and data

Aeromagnetic surveys of Iowa, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Ahankashan mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for the Haji-Gak mineral district, which has copper and gold deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Aynak mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain copper deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Badakhshan mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain gold deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Baghlan mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain clay, gypsum, and coal deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Bakhud mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain industrial fluorite deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Balkhab mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain copper deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Dudkash mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain industrial mineral deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Dusar-Shaida mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain copper and tin deposits

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Farah mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area expected to contain copper, zinc, lead, silver, and gold deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Ghazni1 mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area expected to contain clay, aluminum, gold, silver, mercury, and sulfur deposits

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Ghazni2 mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area expected to contain gold, mercury, and sulfur deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Ghunday-Achin mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for the Haji-Gak mineral district, which has magnesite and talc deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Haji-Gak mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for the Haji-Gak mineral district, which has iron ore deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Herat mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for the Haji-Gak mineral district, which has barium and limestone deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Kandahar mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain bauxite deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Katawas mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain gold deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Khanneshin mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain rare-earth element deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Kharnak-Kanjar mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain mercury deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Kundalyan mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain porphyry copper and gold deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Kunduz mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain celestite deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Nalbandon mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain lead and zinc deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the North Bamyan mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for the Haji-Gak mineral district, which has copper deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the North Takhar mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain placer gold deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Nuristan mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for the Haji-Gak mineral district, which has gem, lithium, and cesium deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Panjsher Valley mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain emerald and silver-iron deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Parwan mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for the Parwan mineral district, which has gold and copper deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the South Bamyan mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area, parts of which have anomalous spectral reflectance deserving of further study for their mineral potential.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the South Helmand mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain industrial travertine deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Takhar mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain industrial evaporite deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Tourmaline mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain tin deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Uruzgan mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain tin and tungsten deposits.

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Local-area-enhanced, 2.5-meter resolution natural-color and color-infrared satellite-image mosaics of the Zarkashan mineral district in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain copper and gold deposits.

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Local-area-enhanced, high-resolution natural-color and color-infrared satellite-image mosaics of mineral districts in Afghanistan

GeoTIFF rendition of locally enhanced ALOS image mosaics for several areas known to contain mineral deposits.

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Merged aeroradiometric data for Alaska

Gridded data from aeroradiometric surveys of Alaska.

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Merged digital aeromagnetic data for the middle Rio Grande and southern Española Basins, New Mexico

Gridded data and images

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Michigan magnetic and gravity maps and data

Best available public-domain aeromagnetic and gravity data in the State of Michigan merged into composite grids. Magnetic data compiled from 25 separate magnetic surveys.

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Missouri aeromagnetic and gravity maps and data

Aeromagnetic surveys of Missouri, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Missouri Breaks Project, Montana - Digitized aeromagnetic data

Previously created but unpublished map sheets were scanned, registered, and the contours were digitized. The point data released here were extracted from the digitized contour lines and include: latitude, longitude, and magnetic-field value (gamma). Data are provided in a fixed-field columnar text format.

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Modeling of the Climax Stock and related plutons based on the inversion of magnetic data, southwest Nevada

Mathematical modeling, coupled with new observations of magnetic susceptibility, yield better estimates of the underground configuration of granite plutons.

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Montana aeromagnetic and gravity maps and data

Aeromagnetic surveys of Montana, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Multiscale hyperspectral imaging of the Orange Hill Porphyry Copper Deposit, Alaska, USA, with laboratory-, field-, and aircraft-based imaging spectrometers

In the past decade, use of hyperspectral imaging (imaging spectroscopy) for mineral exploration and mining operations has been increasing at different spatial scales. In this paper, we focus on recent trends in applying imaging spectrometer data to: 1) ai

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National geophysical data grids; gamma-ray, gravity, magnetic, and topographic data for the conterminous United States

Gridded geophysical data in a variety of formats.

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Nebraska, Kansas, and Oklahoma aeromagnetic and gravity maps and data

Aeromagnetic surveys of Nebraska, Kansas, and Oklahoma, merged to form seamless grids across the states. Gravity anomaly data are provided as well.

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Nevada magnetic and gravity maps and data

Aeromagnetic surveys of Nevada, merged to form seamless grids across the state. Gravity anomaly data are provided as well. Data provided in a variety of formats.

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New England states aeromagnetic and gravity maps and data

Aeromagnetic surveys of New England, merged to form seamless grids across the state. Gravity anomaly data are provided as well. Data provided in a variety of formats.

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New Jersey aeromagnetic and gravity maps and data

Aeromagnetic surveys of New Jersey, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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New Mexico aeromagnetic and gravity maps and data

Aeromagnetic surveys of New Mexico, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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North Dakota aeromagnetic and gravity maps and data

Aeromagnetic surveys of North Dakota, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Oklahoma airborne magnetic surveys

Flight line data from airborne surveys conducted in 2017, provided in comma-separated values (csv format). Three areas were flown along a draped surface with a nominal survey height above ground of 120 meters. The flight line spacing for these areas was 200 to 400 m for Area 123, in southwestern Oklahoma; 1000 m for Area 4, in northwestern Oklahoma, and 800 m for Area 5, in north-central Oklahoma.

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Oregon magnetic and gravity maps and data

Aeromagnetic surveys of Oregon, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Precambrian basement structure map of the continental United States-an interpretation of geologic and aeromagnetic data

Principal basement structures formed during the Precambrian in the continental United States based on interpretation of regional aeromagnetic anomaly data of North America.

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Preliminary grid data and maps for an aeromagnetic survey of the Taylor Mountains quadrangle and a portion of the Bethel quadrangle, Alaska

Preliminary data (grids and images) and maps for a new aeromagnetic survey

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Puget Sound (Washington) aeromagnetic maps and data

Gridded data and maps for individual quadrangles and for the entire compilation

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Radiometric Survey in Western Afghanistan: A Website for Distribution of Data

Radiometric (uranium, thorium, potassium content and gamma-ray intensity) and related data were digitized from radiometric and survey route location maps of western Afghanistan previously published by others in 1976.

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Regional mapping of hydrothermally altered igneous rocks along the Urumieh-Dokhtar, Chagai, and Alborz Belts of western Asia using Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) data and Interactive Data Language (IDL) logical oper

Regional maps of phyllic and argillic hydrothermal alteration are presented on 10 separate plates available in either low or high resolution. A GIS package includes points features for potential porphyry copper sites also provided in tabular form.

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South Carolina aeromagnetic and gravity maps and data

Aeromagnetic surveys of South Carolina, merged to form seamless grids across the state. Gravity anomaly data are provided as well. Data provided in a variety of formats.

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South Dakota aeromagnetic and gravity maps and data

Aeromagnetic surveys of South Dakota, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Spatial data associated with tungsten skarn resource assessment of the Northern Rocky Mountains, Montana and Idaho

Resource assessment and supporting data including permissive tracts, mineral sites in the study area, geologic units, geologic maps, stream sediment geochemistry, whole rock chemistry, airborne radiometric data, and lower frequency content EMAG2 data. Data are provided in Esri file geodatabase, shapefile, and CSV formats.

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Texas magnetic and gravity maps and data

Aeromagnetic surveys of Texas, merged to form seamless grids across the state. Gravity anomaly data are provided as well. Data provided in a variety of formats.

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Thickness of Santa Fe group sediments in the Española Basin south of Santa Fe, New Mexico, as estimated from aeromagnetic data

Interpretation of aeromagnetic data, with geologic structure, to infer thickness and estimate capacity of an aquifer.

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Tungsten skarn mineral resource assessment of the Great Basin region of western Nevada and eastern California - Geodatabase

Geochemical, geophysical, geological, and mineral resource data supporting an assessment of undiscovered tungsten skarn deposits in this area. Permissive tracts and other information derived from the analysis are provided in shapefile, CSV, and Esri file geodatabase formats.

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USGS Spectral Library Version 7 Data

Spectra measured with laboratory, field, and airborne spectrometers. The instruments used cover wavelengths from the ultraviolet to the far infrared (0.2 to 200 microns). Laboratory samples of specific minerals, plants, chemical compounds, and man-made materials were measured. In many cases, samples were purified, so that unique spectral features of a material can be related to its chemical structure. Data are provided in text format as well as the SPECtrum Processing Routines (SPECPR) format.

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Utah aeromagnetic and gravity maps and data

Aeromagnetic surveys of Utah, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Virginia aeromagnetic and gravity maps and data

Aeromagnetic surveys of Virginia, merged to form seamless grids across the state. Gravity anomaly data are provided as well. Data provided in a variety of formats.

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Washington aeromagnetic maps and data:

Aeromagnetic surveys of Washington state, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Wisconsin aeromagnetic and gravity maps and data

Aeromagnetic surveys of Wisconsin, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Wyoming aeromagnetic and gravity maps and data

Aeromagnetic surveys of Wyoming, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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A helicopter-borne magnetic survey over Dixie Valley geothermal field, Nevada

Gridded data from helicopter study of shallow geologic structures

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A preliminary investigation of the structure of southern Yucca Flat, Massachusetts Mountain, and CP basin, Nevada Test Site, Nevada, based on geophysical modeling

Maps showing aeromagnetic survey results, locations of gravity station data, and discussions of processing within the report

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A Review of Aeromagnetic Anomalies in the Sawatch Range, Central Colorado

The report contains digital data, primarily a layer of polygons linked to records summarizing previous interpretations of aeromagnetic anomalies. Data are presented in updated format for input to a GIS, standard graphics software, or map-plotting package.

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Aerial gamma-ray survey for parts of Cameron, Hidalgo, and Willacy Counties, Texas

The USGS had an aerial survey flown over parts of Cameron, Hidalgo, and Willacy Counties in Texas. The aerial survey included measurements of the earth's magnetic field and of the radioactivity of the surface rocks and soils.

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Aerial gamma-ray surveys in Alaska

Measurements indicating abundance of radioactive elements in near-surface rocks. Grids and flight-line data from surveys flown 1976-1980.

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Aerial magnetic, electromagnetic, and gamma-ray survey, Berrien county, Michigan

Maps, grids, and flight-line databases of a detailed aerial survey and maps and grids of satellite data

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Aeromagnetic and aeromagnetic-based geologic maps of the Coastal Belt, Franciscan Complex, northern California

New aeromagnetic point observation data with grids as well

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Aeromagnetic and gravity maps of the central Marysvale volcanic field, southwestern Utah

Maps (no data) depicting aeromagnetic and Bouguer gravity anomaly in the study area. Report discusses rock sample density and magnetic properties, but data are buried in PDF tables.

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Aeromagnetic and gravity surveys in Afghanistan

Collection of historical gravity and aeromagnetic data in Afghanistan (1911 through 1967)

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Aeromagnetic interpretations for understanding the hydrogeologic framework of the southern Española Basin, New Mexico

Analysis of geophysical data, inferring geologic structure of the study area

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Aeromagnetic map for the state of Idaho

Aeromagnetic surveys of Idaho, merged to form seamless grids across the state. Data provided in a variety of formats.

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Aeromagnetic map of part of northwestern Wisconsin and adjacent areas

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Aeromagnetic survey in Afghanistan

Digital files and descriptions of airborne and ground collected magnetic data in Afghanistan

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Aeromagnetic survey map of the central California coast ranges

Intended to promote further understanding of the geology and structure in the central California Coast Ranges, includes downloadable gridded point database.

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Aeromagnetic survey of Dillingham Area in Southwest Alaska

Gridded survey data with summary map images.

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Aeromagnetic survey of Medina and Uvalde Counties, Texas

Flight-line data, flight-line and aeromagnetic anomaly map images

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Aeromagnetic survey of the Amargosa desert, Nevada and California

Grid data files along with maps in PDF and PostScript accompany this report

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Aeromagnetic surveying in Wisconsin 1977-98

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Aeromagnetic surveying in Wisconsin 1998-99

Aeromagnetic flight-line measurements and gridded anomaly data

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Aeromagnetic surveys in the Anchorage, Iliamna, and Tyonek quadrangles, Alaska

Gridded data from aeromagnetic surveys

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Aeromagnetic surveys in Yukon Flats Alaska

Flight-line data from the aeromagnetic survey

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Aeromagnetic, gravity anomaly, and derivative maps of the Craig and Dixon Entrance 1°x3° quadrangles of southeastern Alaska

A simplified geologic map, raw gravity and magnetic data, with derivative products including depth-to-source and rock densities, with limited interpretations of the underlying geology, structures, and mineral resources.

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An aeromagnetic survey in Yellowstone National Park

Grids of total magnetic intensity for the park

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Application of ground penetrating radar to estimate sand and gravel resources near Bow, southern New Hampshire

Includes application-specific radar data files.

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Automated mapping of mineral groups and green vegetation from Landsat Thematic Mapper imagery with an example from the San Juan Mountains, Colorado

Analysis of multispectral satellite imagery allows us to identify areas covered by various types of minerals and vegetation, with results provided in image files you can use in GIS.

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Calcrete uranium deposits in the Southern High Plains, USA

The Southern High Plains (SHP) is a new and emerging U.S. uranium province. Here, uranyl vanadates form deposits in Pliocene to Pleistocene sandstone, dolomite, and limestone

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Candidate-penetrative-fracture mapping of the Grand Canyon area, Arizona, from spatial correlation of deep geophysical features and surficial lineaments

Includes a wide variety of geological and geophysical data: geologic, aeromagnetic, and gravity maps with SLAR, DEM, TM, and NDVI imagery.

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Comparison of ASTER- and AVIRIS-derived mineral and vegetation maps of the White Horse replacement alunite deposit and surrounding area, Marysvale volcanic field, Utah

Analysis of mineral and vegetation maps of parts of the Marysvale volcanic field in west-central Utah near the White Horse replacement alunite deposit.

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Digital geologic map of the Nevada Test Site and vicinity, Nye, Lincoln, and Clark Counties, Nevada, and Inyo County, California, revision 4

GIS data for geologic units and structural features, with aeromagnetic and gravity maps in PDF

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Geologic and aeromagnetic maps of the Fossil Ridge area and vicinity, Gunnison County, Colorado

Geologic units, structural features, and aeromagnetic anomaly map of the area

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Geologic and geophysical maps of the Death Valley ground-water model area, Nevada and California

Maps and geospatial data for (a) geology; (b) tectonics; (c) isostatic gravity anomaly; (d) aeromagnetic anomaly; (e) depth to pre-Cenozoic basement.

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Geologic and geophysical maps of the eastern three-fourths of the Cambria 30 x 60 degree quadrangle, central California Coast Ranges

Contains geologic, gravity anomaly, and aeromagnetic anomaly maps and the associated geologic and geophysical databases (ArcMap), as well as complete descriptions of the geologic map units and the structural relations in the mapped area.

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Geology and resource assessment of the Venezuelan Guayana Shield at 1:500,000 scale

Mineral resource assessment of the Venezuelan Guayana Shield, including geologic unit map

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Geophysical and geologic maps of Mountain Pass and vicinity, California and Nevada

U.S. Geological Survey Scientific Investigations Map 3412 is a series of products that consists of geophysical and geologic maps of Mountain Pass and vicinity, California. Maps A and B (red outline in above map image) are gravity and aeromagnetic maps, re

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Geophysical framework of the southwestern Nevada volcanic field and hydrogeologic implications

Report describing detailed interpretation of geophysical survey data to draw inferences about subsurface geologic features and likely consequences for the hydrogeologic system.

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Geophysical investigations of the Smoke Creek Desert and their geologic implications, northwest Nevada and northeast California

Gravity and aeromagnetic data analysis described in a report, with a few physical property analyses

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Geophysical studies in the vicinity of Blue Mountain and Pumpernickel Valley near Winnemucca, north-central Nevada

Data from more than 660 gravity stations, 100 line-km of truck-towed magnetometer traverses, and 260 physical-property sites in this area.

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Geophysical studies in the vicinity of the Warner Mountains and Surprise Valley, northeast California, northwest Nevada, and southern Oregon

Gravity station data and physical property measurements used to infer subsurface geologic structure

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Geophysical terranes of the Great Basin and parts of surrounding provinces

A set of geophysical maps with anomalies that are labeled and keyed to tables containing information on each anomaly and its source.

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Geospatial Files for the Geologic Map of the Stibnite Mining Area, Valley County, Idaho

Geologic map units, faults, structural lines meaning axial traces, structural points like bedding strike and dip locations, cross section lines, drill core sample locations, open pit polygons or outlines, and general mining features such as the location of an adit. Data are provided in shapefile format.

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Gravity and magnetic studies of the eastern Mojave Desert, California and Nevada

Report with generalized interpretation and Excel tables of gravity and physical property data including an explanations of their formats.

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Helicopter magnetic and gravity gradiometry survey over the Pea Ridge iron mine and surrounding area, southeast Missouri, 2014

High resolution magnetic and gravity gradient data were collected in this area centered on the Pea Ridge iron oxide-apatite rare-earth element deposit. Flight lines spacing was 400 m, nominal flight height above terrain was 80 m. Includes flight line data for the gravity gradiometry survey and a report describing the survey parameters, field operations, quality control and data reduction procedures. Data are provided in CSV format.

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High Resolution Aeromagnetic Survey, Villa Grove, Colorado, USA, 2011

Data from a helicopter magnetic survey in this area to understand the nature of aquifers, the potential for geothermal energy resources, the likelihood of seismic hazards, and the geology of the northern Rio Grande rift. Data are provided in GXF grid and CSV formats.

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High resolution helicopter-borne magnetic and electromagnetic survey Eureka Graben area, Colorado September 1999

Survey parameters, data acquisition and processing procedures, and products of a 1999 airborne geophysical survey of this area. Data provided in GXF format and binary formats.

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High resolution, low altitude aeromagnetic and electromagnetic survey of Mount Rainier

Flight-line and gridded data, with description of methodology and interpretation

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High-Resolution Aeromagnetic Survey of Mountain Pass, California

Aeromagnetic survey data from this area flown in 2016. This helicopter survey was flown at a flight-line spacing of 100 and 200 m, nominal elevation above ground of 70 m, for about 1,814 line-kilometers. Data are provided in GXF and shapefile formats.

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High-resolution aeromagnetic survey to image shallow faults, Poncha Springs and vicinity, Chaffee county, Colorado

Survey to map concealed faults that may be related to geothermal resources, such as hot springs; data given are surface locations of faults interpreted from the survey.

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Hyperspectral surveying for mineral resources in Alaska

Alaska is a major producer of base and precious metals and has a high potential for additional undiscovered mineral resources. However, discovery is hindered by Alaska&rsquo;s vast size, remoteness, and rugged terrain. New methods are needed to overcome t

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Introduction to potential fields: magnetics

Explanation of the Earth's magnetic field and how USGS measures it. Defines magnetic anomaly, induced and remanent magnetism in rocks, and describes magnetic anomaly maps.

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Large-area material maps of the conterminous United States

Maps of exposed surface mineral groups derived from automated spectral analysis of Landsat 7 ETM+ and Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) data.

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Lineament analysis of mineral areas of interest in Afghanistan

Lineaments derived from Thematic Mapper imagery using a manual process and those determined automatically, with GIS data.

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Linear Deconvolution Mineral Maps of Compositionally Variable Dune Fields in the Western United States and Alaska

Results of a computational geospatial analysis (linear deconvolution) of thermal infrared emissivity imagery to determine the variation of mineralogical composition of aeolian deposits. Minerals include calcite, potassium feldspar, plagioclase, and quartz. Data are provided in GeoTiff format.

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Magnetic and gravity anomaly maps of West Virginia

Aeromagnetic surveys of West Virginia, merged to form seamless grids across the state. Gravity anomaly data are provided as well.

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Magnetic anomaly map of North America

Airborne measurement of the earth's magnetic field over all of North America provides gridded data describing the magnetic anomaly caused by variations in earth materials and structure.

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Ohio magnetic anomaly grid at flight altitude of 1000 feet above ground

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Precambrian basement geologic map of Montana--An interpretation of aeromagnetic anomalies

Geologic map showing the structure and history of the basement rocks of Montana. Most of the state is covered by Phanerozoic bedrock units; the underlying basement structure must be inferred from magnetic anomaly data combined with geologic observations.

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Preliminary aeromagnetic anomaly map of California

Map showing magnetic anomaly of California composed by merging and editing data from 123 distinct surveys conducted previously.

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Preliminary Aeromagnetic Map of Joshua Tree National Park and Vicinity, Southern California

This map is intended to promote further understanding of the geology and structure in the region by serving as a basis for geophysical interpretations and by supporting geological mapping, water-resource investigations, and various topical studies.

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Preliminary geologic map of the northeast Dillingham quadrangle (D-1, D-2, C-1, and C-2), Alaska

Map, report, and geospatial data on the geology of the northeastern part of the 1:250,000 scale Dillingham quadrangle, Alaska. Includes Ar40/39 radiometric ages, geologic unit descriptions, and correlation of map units.

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Preliminary potential-field constraints on the geometry of the San Fernando basin, southern California

Results of mathematical modeling of gravity and magnetic anomaly data to infer the geologic structure of the area

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Resource potential and geology of the Grand Mesa, Uncompahgre, and Gunnison (GMUG) National Forests and vicinity, Colorado

Multi-chapter report combining geologic, geochemical, geophysical, and mining activity data. Downloadable data for coal resource information only.

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Seven aeromagnetic surveys in California and Nevada

Grid and flight-line data files provided by the geophysical survey contractors.

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Six aeromagnetic surveys in California, Nevada, and Arizona

Grid and flight-line data files provided to USGS by contract geophysical surveyors

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Six aeromagnetic surveys in Nevada and California

Gridded data for aeromagnetic surveys with contractors' reports describing the data collection

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Summary of geophysical investigations of the Death Valley regional water-flow modeling project, Nevada and California

Magnetic and gravity anomaly and structure contour data

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Terrestrial radioactivity and gamma-ray exposure in the United States and Canada

Data generated by aerial sensing of radiation emanating from the earth's surface provides general estimates of the geographic distribution of Uranium, Thorium, and Potassium in surficial and bedrock units. Covers the conterminous United States, southeaste

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Terrestrial radioactivity and gamma-ray exposure in the United States and Canada

Flight-line databases and derived grids from aeroradiometric surveys across the US carried out during the 1970s

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The Earth Mapping Resources Initiative (Earth MRI): Mapping the Nation’s Critical Mineral Resources

A planned partnership between the USGS, the Association of American State Geologists, and other Federal, State, and private organizations to collect scientific information useful for finding and exploiting critical mineral resources in the US.

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The Longview/Lakeview barite deposits, southern National Petroleum Reserve, Alaska (NPRA); potential-field models and preliminary size estimates

Geophysical modeling used to study mineral deposit geometry. Includes 227 new gravity stations.

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Three aeromagnetic surveys in south central Arizona

Grids and flight-line data for the surveys of this area

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Updated aeromagnetic and gravity anomaly compilations and elevation-bathymetry models over Lake Superior

New gravity and magnetic compilations and elevation-bathymetry models compiled for the Lake Superior region, providing continuous sets of observations for geologic interpretations spanning political boundaries such as US States and the US-Canada border where bedrock geology is largely concealed beneath glacial deposits and surface water. Data are provide in GeoTiff, GXF, and CSV (for gravity station data) formats.

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USGS National Map of Surficial Mineralogy

Maps of exposed surface mineral groups derived from automated spectral analysis of satellite and airborne imaging systems; these data suggest areas that may contain mineral deposits of various types.

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Visible, Near Infrared, Shortwave Infrared and Thermal Infrared Laboratory Spectra of Samples of Compositionally Variable Dune Fields in the Western United States and Alaska

Laboratory reflectance and emissivity spectral measurements of dune sand samples collected from a variety of dune types and mineralogical compositions from eight dune field locations in Alaska, Arizona, California, Colorado, Idaho, Nevada and New Mexico. Data are provided in CSV format.

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