Michigan



Results listed by similarity [list alphabetically]
Coal fields of the conterminous United States - National Coal Resource Assessment updated version

This map sheet with accompanying Geographic Information System (GIS) project is an update of the existing U.S. Geological Survey (USGS) Conterminous U.S. Coal Fields map compiled using data primarily from the USGS National Coal Resource Assessment (NCRA).

Info
Geochemical, modal, and geochronologic data for 1.4 Ga A-type granitoid intrusions of the conterminous United States

This report presents and makes data available to ongoing petrogenetic investigations of these rocks. It develops an accurate and current portrayal of their spatial distribution in GIS format while analyzed samples are presented via Excel workbooks.

Info
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.

Info
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.

Info
Geochemical and mineralogical maps for soils of the conterminous United States

Geochemical and mineralogical maps along with a histogram, boxplot, and empirical cumulative distribution function plot for each element or mineral whose data are provided in DS-801

Info
Geochemical and mineral maps from soils of the conterminous United States: interactive web site

Interactive web site showing geochemical and mineralogical maps along with a histogram, boxplot, and empirical cumulative distribution function plot for each element or mineral whose data are provided in DS-801

Info
Basement domain map of the conterminous United States and Alaska

Seventy-seven major components of the North American continent were delineated at a general scale (1:5,000,000); including the general composition, geological environment, and types of primary metals endowments that can be expected in each domain.

Info
Basement domain map of the conterminous US and Alaska

Seventy-seven major components of the North American continent were delineated at a general scale (1:5,000,000); including the general composition, geological environment, and types of primary metals endowments that can be expected in each domain.

Info
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.

Info
State geologic map compilation

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

Info
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.

Info
Digital geologic map and mineral deposits of the Lake Superior region- Minnesota, Wisconsin, Michigan

Bedrock geologic units, faults, and MRDS mineral deposit records for the area

Info
History and evaluation of national-scale geochemical data sets for the United States

Overview explaining how and why six different geochemical data sets were produced, and why you might choose to use the data in any one of these instead of the others.

Info
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.

Info
Data base for undiscovered deposits of base and precious metals

Probabilistic estimates of the amounts of undiscovered gold, silver, copper, lead, and zinc in conventional types of mineral deposits in the United States.

Info
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

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

Aeromagnetic anomaly values digitized from older surveys

Info
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.

Info
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.

Info
Geological map data

Characteristics of bedrock and surficial geologic terranes and structural features at various levels of detail. The information provided here are intended for use in the synoptic study of large areas, and are likely not suitable for detailed study of geog

Info
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.

Info
Mapping the mineral resource base for mineral carbon-dioxide sequestration in the conterminous United States

Map includes GIS data for magnesium-rich ultramafic rocks

Info
Bedrock geologic map of the Ashland and the northern part of the Ironwood 30 min X 60 min quadrangles, Wisconsin and Michigan

Info
Preliminary digital geologic map of the Penokean (early Proterozoic) continental margin in northern Michigan and Wisconsin

This map portrays the geology of Early Proterozoic rocks deposited along the southern margin of the Archean Superior craton during the Penokean orogenic cycle in northern Michigan and Wisconsin.

Info
The geochemical landscape of northwestern Wisconsin and adjacent parts of northern Michigan and Minnesota (geochemical data files)

Info
A preliminary full spectrum magnetic anomaly grid of the United States with improved long wavelengths for studying continental dynamics

The long-wavelength (50-2,500 km) content of the regional magnetic anomaly compilation was improved by utilizing a nearly homogeneous a nearly homogeneous set of NURE magnetic surveys flown from 1975 to 1981

Info
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.

Info
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.

Info
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.

Info
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.

Info
Reported historic asbestos prospects and natural asbestos occurrences in the central United States

Currently (2011) asbestos is not mined commercially in the US. This data set describes historical mines and occurrences.

Info
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.

Info
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.

Info
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.

Info
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.

Info
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"

Info
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.

Info
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.

Info
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.

Info
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.

Info
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.

Info
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.

Info
Preliminary map of phosphorous provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of platinum and platinum-group metal provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of tungsten provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of copper provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of nickel provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of mercury provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of fluorine provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of iron provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of vanadium provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of cobalt occurrences in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of titanium provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of tin occurrence areas in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of aluminum provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of columbium (niobium) and tantalum provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of manganese provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of lead provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of zinc provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of chromite provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of gold provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of rare-earth provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Map of thorium provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Preliminary map of the uranium provinces in the conterminous United States

Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome.

Info
Gravity anomaly grids for the conterminous US

Measurements of the gravitational field vary slightly from place to place due to the composition and structure of Earth's crust. Includes the isostatic and Bouguer anomalies for the conterminous US.

Info
Metallogenic map of zinc, lead, and barium deposits and occurrences in Paleozoic sedimentary rocks, east-central United States

A descriptive compilation of 545 zinc, lead, and barium districts, deposits, and occurrences in Paleozoic sedimentary rocks in the eastern midwest states.

Info
The State Geologic Map Compilation (SGMC) Geodatabase of the Conterminous United States

A collection of state geological maps using the same underlying database structure. Updates the preliminary state geologic map compilation released in 2005, with corrections and seven updated state geologic maps as well as seven new state geologic maps.

Info
Cobalt Deposits in the United States

Descriptions of more than 60 mineral regions, mines, and mineral deposits within the United States and its territories that are reported to contain enrichments of cobalt. Data are provided in Esri file geodatabase, shapefile Microsoft Excel, and CSV formats.

Info
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.

Info
Natural aggregates of the conterminous United States

Geologic occurrence of potential sources of crushed stone and sand and gravel for use as natural aggregate. A summary of the natural aggregate industry is also included. Data are provided in Shapefile format.

Info
Aggregate resource availability in the conterminous United States, including suggestions for addressing shortages, quality, and environmental concerns

Presentation materials discussing types of aggregate, the occurrence of good-quality aggregate, and pointing out where good-quality aggregate is limited. Societal and environmental issues that limit aggregate development are also discussed. Data are provided in PDF and Microsoft PowerPoint.

Info
Focus areas for data acquisition for potential domestic sources of critical minerals—Rare earth elements

Explains background, data sources, and methodology used to identify focus areas for potential domestic sources of rare earth elements in non-fuel deposit types.

Info
Geochemical and mineralogical maps, with interpretation, for soils of the conterminous United States

Between 2007 and 2013, the U.S. Geological Survey conducted a low-density (1 site per 1,600 square kilometers, 4,857 sites) geochemical and mineralogical survey of soils in the conterminous United States. The sampling protocol for the national-scale surve

Info
USMIN Mineral Deposit Database

A developing national-scale geospatial database that will be an authoritative source of information on the most important mines, mineral deposits, and mineral districts of the United States.

Info
GIS for focus areas of potential domestic resources of 11 critical minerals: aluminum, cobalt, graphite, lithium, niobium, platinum group elements, rare earth elements, tantalum, tin, titanium, and tungsten

Geographic areas identified to target acquisition of geologic mapping, geophysical data, geochemistry, or detailed topographic information to aid research, mineral exploration, and evaluation of critical mineral potential.

Info
Focus areas for data acquisition for potential domestic resources of 11 critical minerals in the conterminous United States, Hawaii, and Puerto Rico—Aluminum, cobalt, graphite, lithium, niobium, platinum-group elements, rare earth elements, tantalum, titanium, and tungsten

Geographic areas within the US where deposits of certain critical mineral resources might be found. With state agencies and other organizations, USGS intends to conduct studies that will help locate critical mineral resources within these areas.

Info
GIS, supplemental data table, and references for focus areas of potential domestic resources of 13 critical minerals in the United States and Puerto Rico: antimony, barite, beryllium, chromium, fluorspar, hafnium, helium, magnesium, manganese, potash, uranium, vanadium, and zirconium

Broad areas within the United States to target acquisition of geologic mapping, geophysical data, geochemical analysis, or detailed topographic information to aid research, mineral exploration, and evaluation of critical mineral potential in these areas.

Info
Summary of rock salt deposits in the United States as possible storage sites for radioactive waste materials

Geologic and physiographic description of major rock salt deposits in the US, compiled from the perspective of the potential use of these deposits for storage of radioactive waste.

Info
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.

Info
Prospect- and Mine-Related Features from U.S. Geological Survey 7.5- and 15-Minute Topographic Quadrangle Maps of the United States

Locations and characteristics of map symbols pertinent to mining appearing on historical USGS topographic maps. Data are provided in Esri file geodatabase and shapefile formats.

Info
Spectroscopy of Expanded Vermiculite Products and Insulation

Descriptions and analytical data (electron microprobe, X-ray diffraction, spectral reflectance, and scanning electron microprobe analyses) for unexpanded and expanded vermiculite samples, a mineral product with commercial applications. Data are provided in CSV format. Descriptions of the samples are provided as PDF reports.

Info
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.

Info
GIS for focus areas of potential domestic resources of 11 critical minerals-aluminum, cobalt, graphite, lithium, niobium, platinum group elements, rare earth elements, tantalum, tin, titanium, and tungsten (version 2.0, August 2020)

GIS for focus areas of potential domestic resources of 11 critical minerals: aluminum, cobalt, graphite, lithium, niobium, platinum group elements, rare earth elements, tantalum, tin, titanium, and tungsten. Version 2.0 of this dataset. Data are provided in CSV, Esri file geodatabase, shapefile, and Microsoft Excel formats.

Info
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.

Info
Data for generating statistical maps of soil lithium concentrations in the conterminous United States

Statistical characteristics of the chemical concentration of lithium in the soil C horizon of the conterminous United States. Data are provided in CSV, shapefile, and GeoTIFF formats.

Info
Data to accompany U.S. Geological Survey Fact Sheet 2020-3017: Pyrrhotite distribution in the conterminous United States

Distribution of the mineral pyrrhotite, an unstable sulfide mineral, across the conterminous United States, to help inform risk assessments. Data are provided in Esri file geodatabase, shapefile, and CSV formats.

Info
Data for generating statistical maps of soil lanthanum concentrations in the conterminous United States

Statistical characteristics of the chemical concentration of lanthanum in the soil C horizon of the conterminous United States. Data are provided in CSV, shapefile, and GeoTIFF formats.

Info
Data for generating statistical maps of soil cobalt concentrations in the conterminous United States

Statistical characteristics of the chemical concentration of cobalt in the soil C horizon of the conterminous United States. Data are provided in CSV, shapefile, and GeoTIFF formats.

Info
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.

Info
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.

Info
GIS, supplemental data table, and references for focus areas of potential domestic resources of critical minerals and related commodities in the United States and Puerto Rico

Broad areas within the United States to target acquisition of geologic mapping, geophysical data, or detailed topographic information to aid research, mineral exploration, and evaluation of critical mineral potential. Data are provided in Esri file geodatabase, shapefile, Microsoft Excel, and CSV formats..

Info
Materials flow in the United States—A global context, 1900–2020

Data on materials are presented provide an overview of the annual quantities (measured in physical terms) required for the standard of living in the United States and to provide insights into the consumption trajectory that developing countries may follow.

Info
USGS Geochron: A Database of Geochronological and Thermochronological Dates and Data

Published ages, dates, analytical information, sample metadata including location, and source citations. The following analytical techniques are represented in the data set: 40Ar/39Ar, K-Ar, U-Th-Pb, Sm-Nd, Rb-Sr, Lu-Hf, fission track, and luminescence. Data are provided in CSV format.

Info
Critical mineral deposits of the United States

Mineral deposit information drawn from USGS databases, industry reports, and scientific literature totalling 681 individual mineral deposits documented to contain critical minerals. Data are provided in Esri file geodatabase, Microsoft Excel, shapefile, and CSV formats.

Info
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

Info
Time-domain electromagnetic soundings near Antioch, Illinois,and Berrien Springs, Michigan

Study to help constrain 3-dimensional geologic maps of surficial materials in these glacial deposits

Info
Geology and mineral deposits of the Keweenaw Peninsula and vicinity, Michigan

Geospatial data and tabular data on the geology, structure, mines and mineral deposits, including lithology, age, tectonic setting, and stratigraphy.

Info
Magnetotelluric data from Minnesota, Wisconsin, and Upper Michigan, 2015-2019

Magnetotelluric stations collected from 2015-2019 across parts of Minnesota, Wisconsin and the Upper Peninsula of Michigan to support regional investigations into the geologic and tectonic framework of the area and to support mineral resource investigations.

Info
Global Geochemical Database for Critical Minerals in Archived Mine Samples

Chemistry and geologic information for historic ore and ore-related rock samples from mineral deposits in the United States and from archetypal deposits from 27 other countries. Data are provide in Microsoft Access, Microsoft Excel, and CSV formats.

Info
Airborne Magnetic Survey, Michigan Upper Peninsula Area, 2008

Digital flight line data from a high-resolution magnetic survey over this area. The survey was flown in 2008 by Aeroquest under contract to Kennecott Eagle Minerals Company using a fixed-wing aircraft with a magnetometer mounted in a tail stinger. The USGS has obtained this 66,074 line km subset of the survey dataset for public release. Data are provided in Geosoft database and CSV formats.

Info
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.

Info
Reported historic asbestos mines, historic asbestos prospects, and other natural occurrences of asbestos in the conterminous United States

Site-by-site information on 876 natural occurrences of asbestos reported within the conterminous US. Includes location, mineralogy, geology, and relevant literature for each asbestos site. Data are provided in Microsoft Excel, shapefile, and CSV formats.

Info
Bedrock soil and lichen geochemistry from Isle Royale National Park, Michigan

Geochemical analyses conducted as part of a larger study of the Midcontinent Rift in the Lake Superior region.

Info
Digital bedrock geologic map of the Ashland and northern part of the Ironwood 30' x 60' quadrangles, Wisconsin and Michigan

Geologic units and structural features, GIS data files

Info
Aeromagnetic surveying in Wisconsin 1977-98

Info
Oxide and cation compositions of feldspar grains from drill core of the Duluth Complex, Minnesota

Info
Multi-element geochemical analyses of samples from the Mesoproterozoic Nonesuch Formation and Copper Harbor Conglomerate at the Copperwood copper deposit, Western Syncline, Michigan, USA

Geochemical analysis of drill core samples from this rock unit to facilitate geologic studies of sediment-hosted stratiform copper deposits. Data are provided in Microsoft Excel and CSV formats.

Info
Tables of electron probe microanalyses from the Copperwood sediment-hosted stratiform copper deposit, Michigan, USA

Electron microprobe analyses of ore minerals from this deposit in the Upper Peninsula of Michigan. Minerals include bornite, chalcocite, native copper, native silver, and pyrite, analyzed for Ag, As, Co, Cu, Fe, Hg, Ni, Pb, S, Sb, and Zn. Data are provided in CSV format.

Info
Exposed Precambrian Bedrock in Part of Dickinson County, Michigan, and Marinette and Florence Counties, Wisconsin

Rock outcrop locations taken from geologic maps published from the 1940s until the late 1990s. Bedrock exposure locations were routinely recorded to provide both an indication of where direct observations were made, and as a guide for future investigations to expedite location of observable rock exposures. Data are provided in shapefile format.

Info
Density and magnetic susceptibility measurements on Precambrian rocks in the Iron Mountain-Menominee region, Michigan-Wisconsin

Rock physical property measurements to help understand causative sources of gravity and magnetic survey anomalies in this area. Data are provided in CSV format.

Info
Principal facts of regional gravity data in the central Upper Peninsula, Michigan, and northeastern Wisconsin

Gravity data collected from 2016 through 2019 to assist in mapping surface and subsurface geology in this area. Data are provided in CSV and shapefile formats.

Info
Aeromagnetic surveying in Wisconsin 1998-99

Aeromagnetic flight-line measurements and gridded anomaly data

Info
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.

Info
Table of Electron Probe Microanalyses of Native Copper and Sulfide Minerals from the White Pine Sediment-hosted Copper Deposit, Michigan

Electron microprobe geochemical data to evaluate whether unconventional critical element resources may be associated with sediment-hosted copper systems in this area. Data are provided in CSV format.

Info
Ground-based time-domain electromagnetic data and resistivity models near Manistee National Forest, Michigan, 2020

Ground-based transient electromagnetic data were acquired near Manistee National Forest, Michigan, to define the resistivity structure of the subsurface rocks.

Info