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Results listed by similarity [list alphabetically]
Alaska Resource Data File

A comprehensive database of Alaskan mineral deposits compiled from the published literature and from unpublished reports and data from industry, the US Bureau of Land Management, and USGS.

Alaska resource data file: Adak quadrangle

Descriptions of mines, prospects, and mineral occurrences in the Adak quadrangle, Alaska

Alaska resource data file: Arctic quadrangle

Descriptions of mines, prospects, and mineral occurrences in the Arctic quadrangle, Alaska

Principal facts for gravity profiles collected near the Osgood Mountains and the Slumbering Hills, north-central Nevada

Gravity station data for several surveys of this area.

Stratabound copper-silver deposits of the Mesoproterozoic Revett Formation, Montana and Idaho with a section on databases and spatial-data files for the geology and mineral deposits of the Revett Formation

Includes deposits, occurrences, and prospects; drill core logs and measured sections; and spatial databases for geologic maps, untested exploration areas, and permissive tracts for undiscovered mineral deposits.

A dataset of magnetic susceptibility, metalization, and alteration for samples from the Stinkingwater mining district, Absaroka Mountains, Wyoming

Magnetic susceptibility measured for 700 samples of drill core from thirteen drill holes in the porphyry copper-molybdenum deposit of the Stinkingwater mining district in the Absaroka Mountains, Wyoming

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

Gridded data from helicopter study of shallow geologic structures

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

A summary of data collected by the U.S. Geological Survey at Dasht-e-Nawar, Afghanistan, in support of lithium exploration, June-September 2014

USGS collaboration included providing analysis of Landsat imagery; gravity measurements of sediment and rock samples; oversight of passive seismic data collection and subsequent analysis; and analysis of the chemistry and mineralogy of subsurface samples.

Active mines and mineral plants in the US

Mine plants and operations for commodities monitored by the National Minerals Information Center of the USGS. Operations included are those considered active in 2003 and surveyed by the USGS.

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.

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.

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.

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

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

New aeromagnetic point observation data with grids as well

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.

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.

Aeromagnetic and gravity surveys in Afghanistan

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

Aeromagnetic data centered over Skelton Neve, Antarctica

Gridded aeromagnetic and ground-based gravity station data

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

Aeromagnetic survey in Afghanistan

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

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.

Aeromagnetic survey of Dillingham Area in Southwest Alaska

Gridded survey data with summary map images.

Aeromagnetic survey of Medina and Uvalde Counties, Texas

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

Aeromagnetic survey of Taylor Mountains area in southwest Alaska

Map and flight-line data, with documentation of the survey

Aeromagnetic survey of the Amargosa desert, Nevada and California

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

Aeromagnetic surveying in Wisconsin 1977-98

Aeromagnetic surveying in Wisconsin 1998-99

Aeromagnetic flight-line measurements and gridded anomaly data

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

Gridded data from aeromagnetic surveys

Aeromagnetic surveys in Yukon Flats Alaska

Flight-line data from the aeromagnetic survey

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.

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.

Airborne electromagnetic mapping of the base of aquifer in areas of western Nebraska

Gridded data used to revise base of aquifer, with supporting elevation data.

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.

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.

Airborne gravity survey and ground gravity in Afghanistan

Data release and processing description of airborne and ground gravity data collected over Afghanistan

Alabama geologic map data

A GIS database of geologic units and structural features in Alabama, with lithology, age, data structure, and format written and arranged just like the other states.

Alaska digital aeromagnetic database description

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

Alaska Geochemical Database (AGDB)-Geochemical data for rock, sediment, soil, mineral, and concentrate sample media

Geochemical analyses of rocks, mineral separates, bulk samples from lake and stream sediments, heavy mineral concentrates, and soils collected by USGS from 1962 to 2009.

Alaska Geochemical Database, v2

Geochemical analyses of rock, sediment, soil, mineral, and heavy mineral concentrate samples in Alaska analyzed from 1962 through 2009, with best-value estimates.

Alaska Geochemical Database, Version 2.0 (AGDB2)--including "best value" data compilations for rock, sediment, soil, mineral, and concentrate sample media

Geochemical analyses of rocks, mineral separates, bulk samples from lake and stream sediments, heavy mineral concentrates, and soils collected by USGS from 1962 to 2009.

Alaska geologic map data

A GIS database of geologic units and structural features in Alaska, with lithology, age, data structure, and format written and arranged just like the other states.

An index to PGE-Ni-Cr deposits and occurrences in selected mineral-occurrence databases (original report)

A compendium of references to previously published databases and database records that describe PGE, nickel, and chromium deposits and occurrences. These data show where to obtain more detailed information about each deposit or occurrence.

An index to PGE-Ni-Cr deposits and occurrences in selected mineral-occurrence databases (web-accessible database)

A compendium of references to previously published databases and database records that describe PGE, nickel, and chromium deposits and occurrences. These data show where to obtain more detailed information about each deposit or occurrence.

An interpretation of the 1997 airborne electromagnetic (AEM) survey, Fort Huachuca vicinity, Cochise County, Arizona

Grids and flight-line magnetic and conductivity data

Arizona geologic map data

A GIS database of geologic units and structural features in Arizona, with lithology, age, data structure, and format written and arranged just like the other states.

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.

Arkansas geologic map data

A GIS database of geologic units and structural features in Arkansas, with lithology, age, data structure, and format written and arranged just like the other states.

Asbestos mines, prospects, and occurrences in the US

Location and mineralogical characteristics of former mines, prospects, and occurrences of asbestos in the continental US. No asbestos producing mines are currently active. Data here are drawn from several previously published reports.

Audio-magnetotelluric data from the Culpeper basin, Loudoun, Fauquier, Fairfax, Prince William, Culpeper, and Orange counties, Virginia

Bedrock and soil geochemistry from Voyageurs National Park, Minnesota

Analyses to establish the background and baseline geochemistry for bedrock and soil in the region, and to determine terrestrial mercury sources and sinks in the park

California geologic map data

A GIS database of geologic units and structural features in California, with lithology, age, data structure, and format written and arranged just like the other states.

Carbonatites of the world, explored deposits of Nb and REE

Data on 60 of the 527 known carbonatites in the world, providing reliable quantitative data on ore tonnages and grades of niobium and REE.

Carbonatites of the world, explored deposits of Nb and REE; database and grade and tonnage models

Data on 60 of the 527 known carbonatites in the world, providing reliable quantitative data on ore tonnages and grades of niobium and REE.

Central Colorado Assessment Project (CCAP)-Geochemical data for rock, sediment, soil, and concentrate sample media

Chemical analysis of 47,478 samples of various geological materials to facilitate geologic mapping, petrologic studies, mineral resource assessment, and similar regional environmental assessements.

Central west Antarctica aeromagnetic data

Grids and map images for separate surveys and combined compilation

Chemical analyses of soils and other surficial materials of the conterminous US

Geochemistry of soils and other regoliths collected and analyzed by Hans Shacklette and colleagues from 1958 until about 1976.

Chemical Composition of Samples Collected from Waste Rock Dumps and Other Mining-Related Features at Selected Phosphate Mines in Southeastern Idaho, Western Wyoming, and Northern Utah

Chemical analyses for 31 samples collected from various phosphate mine sites in southeastern Idaho (25), northern Utah (2), and western Wyoming (4)

Chemistry of stream sediments and surface waters in New England

Regional data for pH, alkalinity, and specific conductance for stream waters and a multi-element geochemical dataset for stream sediments collected in the New England.

Colorado geologic map data

A GIS database of geologic units and structural features in Colorado, with lithology, age, data structure, and format written and arranged just like the other states.

Comparative geology and geochemistry of sedimentary- rock-hosted (Carlin-type) gold deposits in the People's Republic of China and in Nevada, USA (Revised version)

This small database provides information about sedimentary- rock-hosted (Carlin-type) gold deposits in China.

Compilation of Alaska gravity data and historical reports

Gravity measured from 1958-2005, with standard gravity reduction calculations applied to correct for latitude, elevation, topography, and isostasy.

Connecticut geologic map data

A GIS database of geologic units and structural features in Connecticut, with lithology, age, data structure, and format written and arranged just like the other states.

Database of significant deposits of gold, silver, copper, lead, and zinc in the United States

It has long been recognized that the largest mineral deposits contain most of the known mineral endowment (Singer and DeYoung, 1980). Sometimes called giant or world-class deposits, these largest deposits account for a very large share of historic and cur

Delaware geologic map data

A GIS database of geologic units and structural features in Delaware, with lithology, age, data structure, and format written and arranged just like the other states.

Density and magnetic susceptibility values for rocks in the Talkeetna mountains and adjacent region, south-central Alaska

A compilation and statistical analysis of 306 density and 706 magnetic susceptibility measurements of rocks from south-central Alaska

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

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

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

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

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

Digital Data for the Reconnaissance Geologic Map for Prince William Sound and the Kenai Peninsula, Alaska

Geologic map compiled from existing sources without generalization, with new or revised data where available. Part of a statewide geologic map database effort in which the structure and content of the data is as consistent as is practical.

Digital data from the Great Sand Dunes airborne gravity gradient survey, south-central Colorado

Flight-line data and gravity grids with documentation.

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

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

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

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.

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

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

Aeromagnetic anomaly values digitized from older surveys

Evaporite-related potash resources: deposits and permissive tracts worldwide

Includes descriptions of 981 known occurrences and deposits as well as qualitative assessment of undiscovered resource potential in 84 permissive tracts.

Field demonstrations of five geophysical methods that could be used to characterize deposits of alluvial aggregate

Data from seismic reflection and refraction, electromagnetic sounding, and resistivity profiling in a study area in Indiana. Exact location is not provided.

Florida geologic map data

A GIS database of geologic units and structural features in Florida, with lithology, age, data structure, and format written and arranged just like the other states.

Geochemical analyses of geologic materials from areas of critical environmental concern, Clark and Nye counties, Nevada

Results of analysis in tabular form

Geochemical and mineralogical characterization of the abandoned Valzinco (lead-zinc) and Mitchell (gold) mine sites prior to reclamation, Spotsylvania County, Virginia

Geochemical data for all solid sample media, along with mineralogical data, and results of weathering experiments on Valzinco tailings and field experiments on sediment accumulation in Knights Branch.

Geochemical and mineralogical data for soils of the conterminous United States

Systematic geochemical and mineralogical survey of soil horizons analyzed using a consistent set of methods, sample spacing 1 per 1,600 sq km.

Geochemical and mineralogical data for soils of the conterminous United States

Systematic geochemical and mineralogical survey of soil horizons analyzed using a consistent set of methods, sample spacing 1 per 1,600 sq km.

Geochemical characterization of mine waste at the Ely Copper Mine superfund site, Orange County, Vermont

An environmental impact study is done for the abandoned Ely copper mine. The extent of contamination is studyed along with the type and chemical composition of the mine waste piles.

Geochemical data for samples collected in 2008 near the concealed Pebble porphyry Cu-Au-Mo deposit, southwest Alaska

Chemical analysis of surface samples taken over a well known but concealed deposit to understand metal migration into the surface materials and to assess the power of surface sampling for detecting concealed deposits of this type.

Geochemistry of sediments in the US from the PLUTO database

Geochemical data for unconsolidated sediments (stream sediments, lake sediments, etc.) collected in the US and analyzed by the USGS. These data were originally entered in the PLUTO database, which is now merged into the National Geochemistry Database.

Geochemistry of soils in the US from the PLUTO database

Geochemical data for soils collected in the United States and analyzed by the USGS. The data were originally entered into the in-house PLUTO database. This is a subset of DDS-47.

Geochemistry of soils in the US from the RASS database

Geochemical data for soils collected by USGS personnel and analyzed by the USGS. These data were originally entered into the Rock Analysis Storage System (RASS), a database that is now merged into the National Geochemistry Database.

Geochemistry of stream sediments in the US from the NURE-HSSR database

National-scale geochemical analysis of stream sediments and soils in the US collected and analyzed under the National Uranium Resource Evaluation program.

Geochemistry of unconsolidated sediments in the US from the RASS database

Geochemical data for unconsolidated sediments (stream sediments, lake sediments, etc.) collected by USGS personnel and analyzed by USGS. These data were part of the Rock Analysis Storage System and are now merged into the National Geochemistry Database.

Geochemistry of water samples in the US from the NURE-HSSR database

National-scale geochemical analysis of water samples in the US collected and analyzed under the National Uranium Resource Evaluation program.

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.

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.

Geologic and geophysical maps of the El Casco 7.5′ quadrangle, Riverside County, southern California, with accompanying geologic-map database

In addition to geologic units and structural features, these data include gravity observations and horizontal gravity gradient information.

Geologic field notes and geochemical analyses of outcrop and drill core from Mesoproterozoic rocks and iron-oxide deposits and prospects of southeast Missouri

Field notes, locations, rock descriptions, and geochemical analyses from a 1988 to 1994 study to facilitate new research efforts in IOCG (iron-oxide deposits in context with other iron oxide-copper ± uranium) deposit types.

Geologic map of central (interior) Alaska

Geologic map and associated digital databases of central Alaska. Compilation and reinterpretation of previously published and unpublished mapping at 1:250,000 scale, with limited 1:125,000 and 1:63,360 scale mapping.

Geology, geochemistry and geophysics of sedimentary rock-hosted Au deposits in P.R. China

Includes data on mineral deposit locations and geochemical analyses

Geophysical interpretations of the southern Española Basin, New Mexico, that contribute to understanding its hydrogeologic framework

Geophysical interpretation of the southern Española basin for the purpose of understanding the hydrogeologic framework including shallow faults, igneous units, and basement rocks

Geophysical investigation of Red Devil mine using direct-current resistivity and electromagnetic induction, Red Devil, Alaska, August 2010

This large producer of mercury operated from 1933 to 1971. As part of remediation work, this survey used electromagnetic methods to study subsurface resistivity.

Geophysical surveys of Bear Lake, Utah-Idaho, September, 2002

Detailed bathymetry, lake-floor acoustic imaging, and sample characteristics to infer bottom sediment characteristics.

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.

Georgia geologic map data

A GIS database of geologic units and structural features in Georgia, with lithology, age, data structure, and format written and arranged just like the other states.

Geospatial database for regional environmental assessment of central Colorado

Study focusing on the effects of historical mining on Forest Service lands in this area.

Global assessment of undiscovered copper resources

Deposits, prospects, and permissive tracts for porphyry and sediment-hosted copper resources worldwide, with estimates of undiscovered copper resources.

Global Mineral Resource Assessment

Regional locations and estimates of the probable amounts of undiscovered resources of copper, platinum-group elements, and potash in selected types of mineral deposits to depths of 1 to 3 kilometers below the surface of the earth worldwide.

Global Mineral Resource Assessment-Aggregation of estimated numbers of undiscovered deposits-an R-script with an example from the Chu Sarysu Basin, Kazakhtan

This report provides a script developed in open-source statistical software, R, that aggregates undiscovered deposit estimates of a given type assuming some degree of correlation among aggregated areas, provided a user-specified correlation matrix.

Gravity and magnetic data in the vicinity of Virgin Valley, southern Nevada

Field measurements: 548 gravity and 6484 magnetic anomaly locations, data in fixed-format text files.

Gravity and magnetic investigations of the Mojave National Preserve and adjacent areas, California and Nevada

Gravity station and rock physical property data used to infer geologic structure of the area

Gravity data from Newark Valley, White Pine county, Nevada

Gravity station data, isostatic anomaly map, and depth to basement map derived from geophysical inverse modeling.

Gravity investigations of the Chickasaw National Recreation Area, south-central Oklahoma

Gravity anomaly with physical property measurements in support of structural geologic investigation

Gravity map and data of the eastern half of the Big Bear Lake, 100,000 scale quadrangle, California, and analysis of the depths of several basins

Data on the southern portion of the Marine Corps Air Ground Combat Center (MCAGCC) Twentynine Palms and the Yucca Valley-Joshua Tree-Twentynine Palms area and presents the map and basin analyses.

Gravity map of Nevada

Gravity observations throughout Nevada combined to provide a consistent collection of point measurements and generate maps.

Gravity study of the Guernsey landfill site, Guernsey, Wyoming

Gravity measurements and surveyed topography data

Gravity survey and interpretation of Fort Irwin and vicinity, Mojave Desert, California

Provides a view of alluvial basins, shapes, areal extents, and approximate thicknesses of alluvial fill. Gravity field is separated into density variations in the basement complex and distribution of Cenozoic fill with its 3-D thickness representation.

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

Ground geophysical study of the Buckeye Mine Tailings, Boulder watershed, Montana

Electromagnetic, resistivity, and magnetic surveys used to determine the extent of contamination in an abandoned mine area.

Ground magnetic data from within the Long Valley Caldera, California

Results of a detailed ground magnetic survey

Hawai`i geologic map data

A GIS database of geologic units and structural features in Hawai`i, with lithology, age, data structure, and format written and arranged just like the other states.

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.

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.

Helicopter electromagnetic and magnetic geophysical survey data, portions of the North Platte and South Platte Natural Resource Districts, western Nebraska, May 2009

Geophysical surveys to map shallow hydrogeologic features of the southwestern part of the Sand Hills that contain a mix of fresh to saline lakes.

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.

Helicopter electromagnetic and magnetic survey data and maps, Seco Creek area, Medina and Uvalde Counties, Texas

Airborne geophysical data and a summary of the hydrologic application.

Helicopter electromagnetic data from Everglades National Park and surrounding areas, Florida, collected 9-14 December 1994

Survey to determine location of the freshwater-saltwater boundary in a coastal area.

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

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

Hydrogeochemical investigations of historic mining districts, central western slope of Colorado, including influence on surface-water quality

Geochemical analysis of mine dumps, mill tailings, mine drainage, and surface waters indicate contamination from these historic mines is generally less than that asserted or suggested by some geochemical models

Idaho geologic map data

A GIS database of geologic units and structural features in Idaho, with lithology, age, data structure, and format written and arranged just like the other states.

Illinois geologic map data

A GIS database of geologic units and structural features in Illinois, with lithology, age, data structure, and format written and arranged just like the other states.

Indiana geologic map data

A GIS database of geologic units and structural features in Indiana, with lithology, age, data structure, and format written and arranged just like the other states.

Iowa geologic map data

A GIS database of geologic units and structural features in Iowa, with lithology, age, data structure, and format written and arranged just like the other states.

Isostatic gravity map of the Las Vegas 30'x60' quadrangle, California and Nevada

Includes principal facts (gravity observations) for 2,506 stations.

Isostatic gravity map of the Monterey 30x60 minute quadrangle and adjacent areas, California

Gravity measurements to support regional mapping and hydrologic studies

Isostatic gravity map of the Point Sur 30 x 60 quadrangle and adjacent areas, California

Includes 802 gravity station measurements with isostatic, free-air, simple and complete Bouguer anomalies, and terrain correction.

Isostatic gravity map with simplified geology of the Los Angeles 30x60 minute Quadrangle

Includes detailed point measurements of gravity

Kansas geologic map data

A GIS database of geologic units and structural features in Kansas, with lithology, age, data structure, and format written and arranged just like the other states.

Kentucky geologic map data

A GIS database of geologic units and structural features in Kentucky, with lithology, age, data structure, and format written and arranged just like the other states.

Lithogeochemistry of mineralized and altered rock samples from the northern Talkeetna Mountains, south-central Alaska

Chemical analysis of 201 samples of rocks thought to be altered or mineralized in an area containing numerous mines.

Louisiana geologic map data

A GIS database of geologic units and structural features in Louisiana, with lithology, age, data structure, and format written and arranged just like the other states.

Magnetic map of the Irish Hills and surrounding areas, San Luis Obispo County, central California

Database includes new helicopter aeromagnetic data, point locations of the local maximum horizontal gradient derived from the aeromagnetic data, and physical property data.

Magnetic susceptibility data for some exposed bedrock in the western conterminous United States

In-place rock magnetic susceptibility measurements for 746 sites are reported in a database. These data, collected from 1991 through 2012, are intended to help improve geophysical modeling of the Earth’s crust in the Western United States.

Maine geologic map data

A GIS database of geologic units and structural features in Maine, with lithology, age, data structure, and format written and arranged just like the other states.

Major- and trace-element concentrations in rock samples collected in 2006 from the Taylor mountains 1:250,000-scale quadrangle, Alaska

138 rock geochemistry samples collected during the 2006 field season were analyzed using the ICP-AES/MS42, ICP-AES10, fire assay, and cold vapor atomic absorption methods

Maryland geologic map data

A GIS database of geologic units and structural features in Maryland, with lithology, age, data structure, and format written and arranged just like the other states.

Massachusetts geologic map data

A GIS database of geologic units and structural features in Massachusetts, with lithology, age, data structure, and format written and arranged just like the other states.

Mercury geochemistry of gold placer tailings, sediments, bedrock, and waters in the lower Clear Creek area, Shasta County, California; report of investigations, 2001-2003

Total mercury and methylmercury measured in sediments, tailings, and water in an area where historical gold mining has occurred; proposed habitat restoration work may release some of the mercury that is currently buried there.

Mica deposits of the Blue Ridge in North Carolina

Point locations with characteristics of mines and prospects.

Michigan geologic map data

A GIS database of geologic units and structural features in Michigan, with lithology, age, data structure, and format written and arranged just like the other states.

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.

Mineral facilities of Africa and the Middle East

Database of mines and mineral plants through 2003

Mineral facilities of Latin America and Canada

Database of mines and mineral plants through 2005

Mineral operations outside the United States

Mineral facilities and operations outside the United States compiled by the National Minerals Information Center of the USGS.

Mineral resource data for Mississippi Valley-Type and clastic-dominated sediment-hosted lead-zinc deposits

Map interface and data download of Sed Zn-Pb data including KML and GIS data formats

Mineral Resource Data System

MRDS describes metallic and nonmetallic mineral resources throughout the world. Included are deposit name, location, commodity, deposit description, geologic characteristics, production, reserves, resources, and references.

Minnesota geologic map data

A GIS database of geologic units and structural features in Minnesota, with lithology, age, data structure, and format written and arranged just like the other states.

Mississippi geologic map data

A GIS database of geologic units and structural features in Mississippi, with lithology, age, data structure, and format written and arranged just like the other states.

Missouri geologic map data

A GIS database of geologic units and structural features in Missouri, with lithology, age, data structure, and format written and arranged just like the other states.

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.

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.

Montana geologic map data

A GIS database of geologic units and structural features in Montana, with lithology, age, data structure, and format written and arranged just like the other states.

Multielement geochemical dataset of surficial materials for the northern Great Basin

Geochemical data generated during mineral and environmental assessments for the Bureau of Land Management in northern Nevada, northeastern California, southeastern Oregon, and southwestern Idaho.

National Geochemical Database: Concentrate

Geochemistry of concentrates from the National Geochemical Database. Primarily inorganic elemental concentrations, most samples are from the continental US and Alaska.

National Geochemical Database: Rock

Geochemical analysis of rock samples collected and analyzed by the USGS. This dataset includes and supersedes rock data formerly released as "Geochemistry of igneous rocks in the US extracted from the PLUTO database"

National Geochemical Database: Sediment

Geochemical analysis of sediment samples from the National Geochemical Database. Primarily inorganic elemental concentrations, most samples are of stream sediment in the continental US and Alaska.

National Geochemical Database: Soil

Geochemical analysis of soil samples from the National Geochemical Database. Primarily inorganic elemental concentrations, most samples are from the continental US and Alaska.

National geochemical survey database

National-scale geochemical analysis of stream sediments and soils in the US, from existing data, reanalysis of existing samples, and new sampling. Goal for sample density is one per 289 square km.

National Geochronological Database

Radiometric ages of geological materials by K-Ar, Rb-Sr, Sm-Nd, fission track, and U-Th-Pb dating methods. A revision of DDS-14 correcting locations and providing the data in more convenient formats.

National Geochronological Database

Radiometric ages of geological materials by K-Ar, Rb-Sr, Sm-Nd, fission track, and U-Th-Pb dating methods. A revision of DDS-14 correcting locations and providing the data in more convenient formats.

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

Gridded geophysical data in a variety of formats.

Nebraska geologic map data

A GIS database of geologic units and structural features in Nebraska, with lithology, age, data structure, and format written and arranged just like the other states.

Nevada geologic map data

A GIS database of geologic units and structural features in Nevada, with lithology, age, data structure, and format written and arranged just like the other states.

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.

New Hampshire geologic map data

A GIS database of geologic units and structural features in New Hampshire, with lithology, age, data structure, and format written and arranged just like the other states.

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.

New Jersey geologic map data

A GIS database of geologic units and structural features in New Jersey, with lithology, age, data structure, and format written and arranged just like the other states.

New Mexico geologic map data

A GIS database of geologic units and structural features in New Mexico, with lithology, age, data structure, and format written and arranged just like the other states.

New York geologic map data

A GIS database of geologic units and structural features in New York, with lithology, age, data structure, and format written and arranged just like the other states.

Ni-Co laterite deposits of the world

Location, type, mineralogy, name, tonnage and grade, and geological setting for 120 deposits of this type. The US has no active nickel mines or nickel reserves.

Ni-Co laterite deposits of the world-database and grade and tonnage models

Location, type, mineralogy, name, tonnage and grade, and geological setting for 120 deposits of this type. The US has no active nickel mines or nickel reserves.

North Carolina geologic map data

A GIS database of geologic units and structural features in North Carolina, with lithology, age, data structure, and format written and arranged just like the other states.

North Dakota geologic map data

A GIS database of geologic units and structural features in North Dakota, with lithology, age, data structure, and format written and arranged just like the other states.

Ohio geologic map data

A GIS database of geologic units and structural features in Ohio, with lithology, age, data structure, and format written and arranged just like the other states.

Oklahoma geologic map data

A GIS database of geologic units and structural features in Oklahoma, with lithology, age, data structure, and format written and arranged just like the other states.

Oregon geologic map data

A GIS database of geologic units and structural features in Oregon, with lithology, age, data structure, and format written and arranged just like the other states.

Pan-American Center for Earth and Environmental Studies (PACES) gravity data portal

Terrain-corrected US gravity station data using NAD83 and NGVD88 downloadable from a map interface.

Pennsylvania geologic map data

A GIS database of geologic units and structural features in Pennsylvania, with lithology, age, data structure, and format written and arranged just like the other states.

Phosphate occurrence and potential of south Asia

Locations of known phosphate occurrences in this area, with geologic units in which such deposits may occur.

Podiform chromite deposits

Location and characteristics of 1,124 individual mineral deposits of this type, with grade and tonnage models for chromium as well as several related elements.

Podiform chromite deposits--database and grade and tonnage models

Location and characteristics of 1,124 individual mineral deposits of this type, with grade and tonnage models for chromium as well as several related elements.

Porphyry copper deposits of the world

Information on porphyry copper deposits from around the world with grade and tonnage models, a general classification based on geologic setting, mineralogy, with data allowing locations of these deposits to be plotted using GIS.

Porphyry copper deposits of the world: database, map, and grade and tonnage models

A compilation of worldwide mineral deposits of this type. This older version was revised and updated in OFR-2008-1155.

Porphyry copper deposits of the world; database and grade and tonnage models, 2008

Revised and updated information about mineral deposit models for porphyry copper deposits to facilitate assessment of undiscovered resources

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.

Preliminary bedrock geologic map of the Seward Peninsula, Alaska, and accompanying conodont data

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

Preliminary gravity and magnetic data of the Lake Pillsbury northern Coast Ranges, California

Report with excel tables showing principal facts (gravity observation data) and ground magnetic data.

Preliminary gravity inversion model of Frenchman Flat Basin, Nevada Test Site, Nevada

Provides data for the depth below the land surface,in meters, of the modeled location of the Pre-Tertiary basement surface.

Preliminary integrated geologic map databases for the United States: Digital data for the reconnaissance geologic map for the Kuskokwim Bay region of southwest Alaska

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

Preliminary integrated geologic map databases for the United States: Alabama, Florida, Georgia, Mississippi, North Carolina, and South Carolina

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

Preliminary integrated geologic map databases for the United States: California, Nevada, Arizona, Washington, Oregon, Idaho, and Utah

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

Preliminary integrated geologic map databases for the United States: Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, Rhode Island and Vermont

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

Preliminary integrated geologic map databases for the United States: Digital data for the generalized bedrock geologic map, Yukon Flats region, east-central Alaska

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

Preliminary integrated geologic map databases for the United States: Digital data for the geology of southeast Alaska

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

Preliminary Integrated Geologic Map Databases for the United States: Digital data for the geology of the southern Brooks Range, Alaska

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

Preliminary integrated geologic map databases for the United States: Digital data for the geology of Wrangell-Saint Elias National Park and Preserve, Alaska

GIS dataset for 'Geologic map of the Wrangell-Saint Elias National Park and Preserve, Alaska' USGS SIM 2877. The map area includes high mountains, active and ancient volcanoes, expansive ice fields, and alpine and tidewater glaciers.

Preliminary integrated geologic map databases for the United States: Digital data for the reconnaissance bedrock geologic map for the northern Alaska peninsula area, southwest Alaska

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

Preliminary integrated geologic map databases for the United States: Digital data for the reconnaissance geologic map of the Kodiak Islands, Alaska

The Kodiak Islands are located on the west side of the Gulf of Alaska and one of the largest areas of exposure of the flysch and melange of the Chugach terrane of southern Alaska.

Preliminary integrated geologic map databases for the United States: Digital data for the reconnaissance geologic map of the western Aleutian Islands, Alaska

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

Preliminary integrated geologic map databases for the United States: Digital data for the reconnaissance geologic map of the Yukon-Koyukuk Basin, Alaska

Reconnaissance geologic map of the Yukon-Koyukuk basin, Alaska, which is a region characterized by isolated hilly areas and low mountain ranges, separated by broad alluviated interior and coastal lowlands.

Preliminary integrated geologic map databases for the United States: Kentucky, Ohio, Tennessee, and West Virginia

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

Preliminary integrated geologic map databases for the United States: Montana, Wyoming, Colorado, New Mexico, Kansas, Oklahoma, Texas, Missouri, Arkansas, and Louisiana

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

Preliminary integrated geologic map databases for the United States; Minnesota, Wisconsin, Michigan, Illinois, and Indiana

Digital geologic map information with a consistent set of attributes, part of a national compilation of similar maps. Available in formats compatible with GIS.

Preliminary isostatic gravity map of Joshua Tree National Park and vicinity, southern California

Map with excel tables showing principal facts (gravity observation data).

Preliminary isostatic residual gravity anomaly map of Paso Robles 30 x 60 minute quadrangle, California

Includes 2,604 (170 not previously published) gravity station measurements with calculations of free-air, simple Bouguer, complete Bouguer, and isostatic anomaly.

Principal facts and an approach to collecting gravity data using near-real-time observations in the vicinity of Barstow, California

The purpose of the data collection was to investigate possible changes in gravity across mapped Quaternary faults and to improve regional gravity coverage, adding to the existing national gravity database.

Principal facts for 408 gravity stations in the vicinity of the Talkeetna Mountains, south-central Alaska

Data collected as part of a geological and geophysical framework study

Principal facts for gravity data along the Hayward fault and vicinity, San Francisco Bay area, northern California

Data and associated physical property measurements were collected as part of on-going studies to help determine the earthquake hazard potential of major faults within the San Francisco Bay region

Principal facts for gravity data collected in South Dakota

Gravity anomaly measurements throughout the state

Principal facts for gravity data collected in the southern Albuquerque Basin area and a regional compilation, central New Mexico

New data incorporated with existing data complete overall coverage of the basin, one of the largest associated with the Rio Grande rift.

Principal facts for gravity data collected in Wisconsin

Gravity anomaly surveys of Wisconsin, both separately by survey and combined.

Principal facts for gravity stations and physical property measurements in the Lake Mead 30x60 minute quadrangle, Nevada and Arizona

Gravity data were collected in support of geologic mapping of the quadrangle. In addition, older gravity data were reprocessed for consistency and included, as well as 250 measurements of density and magnetic susceptibility.

Principal facts for gravity stations in the Dry Valley area, West-Central Nevada and east-central California

Gravity measurements used for determining geologic structure to aid in understanding ground-water flow

Principal facts for gravity stations in the vicinity of San Bernardino, southern California

Gravity measurements collected to help define the characteristics of the Rialto-Colton fault, with rock properties such as lithology, magnetic susceptibility and density.

Radiometric ages of rocks from Alaska

Radiometric ages of rocks or minerals sampled from Alaska. The data were collected from professional publications and/or received from researchers and used by permission.

Rare earth element mines, deposits, and occurrences

Location, geologic and mineral economic data for world rare earth mines, deposits, and occurrences compiled from published and non-published sources. Geographic coordinates are provided for 577 of the 799 deposits described here.

Results of electrical resistivity data collected near the town of Guernsey, Platte county, Wyoming

A study to investigate subsurface geologic conditions as they relate to ground-water flow in an abandoned landfill.

Results of gravity fieldwork conducted in March 2008 in the Moapa Valley region of Clark County, Nevada

Study aids understanding of local geologic structure and ground-water flow, includes principal facts for 266 gravity stations and physical properties of representative rock samples.

Revised digital aeromagnetic data for areas in and adjacent to the National Petroleum Reserve Area (NPRA), North Slope, Alaska

Redigitized and corrected data from a previously published study

Rhode Island geologic map data

A GIS database of geologic units and structural features in Rhode Island, with lithology, age, data structure, and format written and arranged just like the other states.

Schlumberger DC resistivity soundings in the Boulder watershed, Jefferson and Lewis and Clark counties, Montana

DC resistivity soundings were made to map subsurface lithologic, structural and hydrologic features important in controlling possible ground water contamination from mining activities and for design of remediation efforts.

Sediment-hosted copper deposits of the world

Characteristics of 785 deposits, including grade, tonnage, rocks, mineralogy, and references

Sediment-hosted copper deposits of the world: Deposit models and database

Characteristics of 785 deposits, including grade, tonnage, rocks, mineralogy, and references

Sediment-hosted gold deposits of the world

Location and characteristics of 123 sediment-hosted gold deposits worldwide.

Sediment-hosted gold deposits of the world: database and grade and tonnage models

Location and characteristics of 123 sediment-hosted gold deposits worldwide. These deposits have disseminated micron-sized invisible gold in sedimentary rocks.

Sediment-hosted zinc-lead deposits of the world

Map interface and data download of Sed Zn-Pb data including KML and GIS data formats

Sediment-hosted zinc-lead deposits of the world - Database and grade and tonnage models

This report provides information on sediment-hosted zinc-lead mineral deposits based on the geologic settings that are observed on regional geologic maps.

Selected geochemical data for modeling near-surface processes in mineral systems

Data on a variety of mineral deposit types that have variable environmental effects when exposed at the ground surface by mining or natural processes.

Seven aeromagnetic surveys in California and Nevada

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

Six aeromagnetic surveys in California, Nevada, and Arizona

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

Six aeromagnetic surveys in Nevada and California

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

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.

South Carolina geologic map data

A GIS database of geologic units and structural features in South Carolina, with lithology, age, data structure, and format written and arranged just like the other states.

South Dakota geologic map data

A GIS database of geologic units and structural features in South Dakota, with lithology, age, data structure, and format written and arranged just like the other states.

Spatial databases for the geology of the Northern Rocky Mountains - Idaho, Montana, and Washington

The spatial databases represent the original content of 43 published geologic maps, provide normalized map unit descriptions, and provide additional information and interpretation not in the original reports.

State geologic map compilation

Digital geologic maps of the US states with consistent lithology, age, GIS database structure, and format

Stream-Sediment Geochemistry in Mining-Impacted Drainages of the Yankee Fork of the Salmon River, Custer County, Idaho

Analysis of stream sediments to assess the geochemistry, in particular the mercury and selenium contents, of mining-impacted sediments in the study area

Stream-sediment samples reanalyzed for major, rare earth, and trace elements from seven 1:250,000-scale quadrangles, south-central Alaska, 2007-09

New analyses of 1,075 previously collected stream sediment samples, measuring more elements with better precision. Includes arsenic, gold, palladium, and platinum and 55 major, rare earth, and trace element concentrations.

Tennessee geologic map data

A GIS database of geologic units and structural features in Tennessee, with lithology, age, data structure, and format written and arranged just like the other states.

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

Texas geologic map data

A GIS database of geologic units and structural features in Texas, with lithology, age, data structure, and format written and arranged just like the other states.

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.

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.

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.

Three aeromagnetic surveys in south central Arizona

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

Three-dimensional geologic model of complex fault structures in the upper Seco Creek area, Medina and Uvalde counties, south-central Texas

Data sets include drill-hole from core and geophysical logs, surface geology and elevation, and helicopter electromagnetic survey data. The model may be explored and .jpg or .tiff images or using specialized software provided.

Time-domain electromagnetic surveys at Fort Irwin, San Bernardino County, California, 2010-12

Describes electromagnetic sounding locations, data acquisition, calibration, and modeling; compares data to borehole data, correlating model results; and summarizes the applications and limitations of the TEM method. Examples of models are provided.

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.

Utah geologic map data

A GIS database of geologic units and structural features in Utah, with lithology, age, data structure, and format written and arranged just like the other states.

Vermont geologic map data

A GIS database of geologic units and structural features in Vermont, with lithology, age, data structure, and format written and arranged just like the other states.

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.

Virginia geologic map data

A GIS database of geologic units and structural features in Virginia, with lithology, age, data structure, and format written and arranged just like the other states.

Volcanogenic massive sulfide deposits of the world

Map interface and data download of VMS data including KML and GIS data formats

Volcanogenic massive sulfide deposits of the world; database and grade and tonnage models

Information on VMS deposits from around the world with new grade and tonnage models for three subtypes of VMS deposits and data allowing locations of all deposits to be plotted using GIS.

Washington geologic map data

A GIS database of geologic units and structural features in Washington, with lithology, age, data structure, and format written and arranged just like the other states.

West Virginia geologic map data

A GIS database of geologic units and structural features in West Virginia, with lithology, age, data structure, and format written and arranged just like the other states.

Whole-rock and sulfide-mineral geochemical data for samples from volcanogenic massive sulfide deposits of the Bonnifield district, east-central Alaska

The data consist of major- and trace-element whole-rock geochemical analyses and major- and trace-element analyses of sulfide minerals determined by electron microprobe and laser ablation–inductively coupled plasma–mass spectrometry (LA-ICP-MS) techniques

Wisconsin geologic map data

A GIS database of geologic units and structural features in Wisconsin, with lithology, age, data structure, and format written and arranged just like the other states.

World copper smelters

Locations and characteristics of the copper smelters throughout the world as of 2002.

World phosphate mines, deposits, and occurrences

Geologic and mineral resource information for 1635 deposits of phosphate worldwide

Wyoming geologic map data

A GIS database of geologic units and structural features in Wyoming, with lithology, age, data structure, and format written and arranged just like the other states.