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Mineral Resources Online Spatial Data

Interactive maps and downloadable data for regional and global Geology, Geochemistry, Geophysics, and Mineral Resources

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Scientific topics

Additional services: OGC WMS, WFS, and WMTS, and APIs
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Mineral resources

Mineral resource occurrences

Mineral Resources Data System (MRDS)

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MRDS describes metallic and nonmetallic mineral resources throughout the world. Included are deposit name, location, commodity, and references. Some records include deposit description, geologic characteristics, production, reserves, and resources. It includes the original MRDS and MAS/MILS data.

Alaska Resource Data File (ARDF)

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Descriptions of mines, prospects, and mineral occurrences in Alaska.

Major mineral deposits of the world

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Regional locations and general geologic setting of known deposits of major nonfuel mineral commodities.

Mineral resource assessments

National Mineral Resource Assessment 1998

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Estimates of the number and size of undiscovered mineral deposits in the US containing gold, silver copper, lead, and zinc.

Global assessment of undiscovered copper resources

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

Geology and resource assessment of Costa Rica

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Geologic map at 1:500,000 scale, digitized from USGS I-1865. Includes mines, prospects, and occurrences, permissive tracts for several mineral deposit types, and gravity anomaly contours.

Sagebrush mineral resource assessment data sources

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List of USGS information resources used in carrying out the Sagebrush Mineral Resource Assessment in 2016.

Mineral deposits of specific types

Volcanogenic massive sulfide deposits

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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

Sediment-hosted zinc-lead deposits

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Information on sediment-hosted zinc-lead 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.

Mississippi Valley-Type and clastic-dominated sediment-hosted lead-zinc deposits

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Global compilation of information on the sediment-hosted Pb-Zn deposits traditionally called sedimentary exhalative (SEDEX) and Mississippi Valley Type (MVT) deposits, including updated updated grade and tonnage data.

Porphyry copper deposits of the world

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Global compilation of information on the porphyry copper deposits, including updated updated grade and tonnage data.

Sediment-hosted copper deposits of the world

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Global compilation of information on the world's sediment-hosted copper deposits, including updated updated grade and tonnage data.

PGE-Ni-Cr deposit and occurrence bibliographic database

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A compendium of previously published databases and database records that describe PGE, nickel, and chromium deposits and occurrences.

Carbonatites of the world, explored deposits of Nb and REE

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Information on carbonatite deposits containing niobium and rare earth elements from around the world with grade and tonnage models, geologic setting, mineralogy, with data allowing locations of these deposits to be plotted using GIS.

Rare earth element mines, deposits, and occurrences

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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.

Ni-Co laterite deposits of the world

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Location, type, mineralogy, name, tonnage and grade, and geological setting for 120 deposits of this type.

Asbestos mines, prospects, and occurrences in the continental US

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Location, mineralogy, name, development status for 913 historic mines, prospects, and occurrences of asbestos and fibrous amphiboles.

World phosphate mines, deposits, and occurrences

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Location, geologic characteristics, and commodities for 1,635 phosphate mines, deposits, or occurrences worldwide

Phosphate occurrence and potential of south Asia

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

Podiform chromite deposits

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

Sediment-hosted gold deposits

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Location and characteristics of 123 sediment-hosted gold deposits worldwide, with grade and tonnage data.

Evaporite-related potash resources worldwide

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Geographic distribution and characteristics of evaporite-related potash deposits and occurrences worldwide.

Mica deposits of the Blue Ridge in North Carolina

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Muscovite from pegmatites intruded into metamorphic rocks. Point locations with characteristics of mines and prospects.

Mining operation and prospecting

Prospect- and mine-related features on USGS topographic maps

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Symbols indicating mining-related features digitized from historical USGS topographic maps in the western part of the conterminous US. Includes prospect pits, mine shafts and adits, quarries, open-pit mines, tailings piles and ponds, gravel and borrow pits, and other features.

Active mines and mineral plants in the US

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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.

World copper smelters

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

Mineral operations outside the United States

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Locations and characteristics of active mines and mineral plants

Mining claim activity on Federal land in the contiguous US and Alaska

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Number and type of mine claims located on Federal lands and registered with the Bureau of Land Management, by year from 1976 through 2008.

Photographs of historical mining operations in Colorado and Utah

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A collection of photographs of mine sites, mining operations, and tailings taken prior to 1980 at a variety of sites throughout Colorado and Utah.

Value of mineral production by state in the US

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The value of mineral production by state in the United States. The data represent commodities covered by the National Minerals Information Center of the U.S. Geological Survey.

Federal government mineral exploration-assistance program files

Scanned documents describing applications for Federal assistance in exploring for certain strategic and critical minerals, including where the deposits were examined what minerals were found, and whether mining had occurred. These files span the years 1950 to 1974.

Coal mines and other energy resources

We have no comprehensive database of coal mines, but can provide links to some online resources.

Geologic data

Geologic map data

Geologic maps of US states

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

Geologic map of Alaska

Geologic map of Alaska with quadrangle boundaries
Digital compilation and reinterpretation of published and unpublished geologic mapping of Alaska.

Basement domains of the conterminous US and Alaska

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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.

Geology of the conterminous United States

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A digital version of the King and Beikman (1974) Geologic Map of the United States, originally published at a scale of 1:2,500,000. It excludes Alaska and Hawaii.

Geology of Puerto Rico

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Geologic units and faults from USGS Open File Report 98-38, concerning assessment of the mineral resources of Puerto Rico

Map of Surficial Mineralogy

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

Maps of hydrothermal alteration in the Basin and Range province of the US

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Maps and data showing the geographic distribution of surficial minerals likely produced by hydrothermal alteration, which may indicate areas permissive of gold and copper mineral deposits.

Geochemistry

National geochemical database

National Geochemical Database: Rock

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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

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Geochemistry of sediments 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

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

National Geochemical Database: Concentrate

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

Recent, focused geochemical surveys

Alaska Geochemical Database

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Geochemical analysis of rock, sediment, soil, mineral, and heavy mineral concentrate samples in Alaska analyzed from 1962 through 2009.

Geochemical and mineralogical data from soils in the conterminous United States

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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 mineral maps from soils of the conterminous United States

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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

National Geochemical Survey database

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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.

Older geochemical collections

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

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

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

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

Geochemical landscape of the conterminous US: maps of NURE-HSSR data

Maps derived from a subset of the National Uranium Resource Evaluation Hydrogeochemical and Stream Sediment Reconnaissance data. Samples are from streams, lakes, ponds, springs, playas, and soils. Includes Na, Ti, Fe, Cu, Zn, As, Ce, Hf, Pb, Th, and U.

Chemical analyses of soils and other surficial materials of the conterminous US ("Shacklette" data)

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

Geophysics

Geophysical surveys

Airborne geophysical surveys

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

Geophysical data compilations

Magnetic anomaly map of North America

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

Bouguer gravity anomaly grid for the conterminous US

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Measurements of the gravitational field vary slightly from place to place due to the composition and structure of Earth's crust. This digital grid describes the Bouguer gravity anomaly for the conterminous US.

Isostatic residual gravity anomaly grid for the conterminous US

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Measurements of the gravitational field vary slightly from place to place due to the composition and structure of Earth's crust. This digital grid describes the isostatic residual gravity anomaly for the conterminous US.

Aeroradiometric grids for North America

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Gridded 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 US, parts of Canada and parts of Alaska.

Geochronology

Geochronological data

National Geochronological Database

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Radiometric and fission-track age determinations of geologic materials from the continental US and Alaska

Radiometric ages of rocks from Alaska

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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.