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Hydrothermal Alteration Maps of the Central and Southern Basin and Range Province of the United States Compiled From Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Data
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. |
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Maps of hydrothermal alteration in the Basin and Range province of the US
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. |
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A compilation of K-Ar-ages for southern California
Conventional K-Ar ages for granitic, volcanic, and metamorphic rocks collected in this area. |
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Preliminary isostatic gravity map of Joshua Tree National Park and vicinity, southern California
Map with excel tables showing principal facts (gravity observation data). |
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Six aeromagnetic surveys in California, Nevada, and Arizona
Grid and flight-line data files provided to USGS by contract geophysical surveyors |
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Isostatic gravity map with geology of the Santa Ana 30'x60' quadrangle, southern California
Contour map of isostatic gravity anomaly with bedrock geology, and principal facts for the gravity stations as a separate data file. |
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Analytical Results and Sample Locality Map for Rock, Stream-Sediment, and Soil Samples, Northern and Eastern Colorado Desert BLM Resource Area, Imperial, Riverside, and San Bernardino Counties, California
A geochemical survey of the Bureau of Land Management's 5.5 million-acre Northern and Eastern Colorado Desert Resource Area |
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High-resolution gravity and seismic-refraction surveys of the Smoke Tree Wash area, Joshua Tree National Park, California
These data were acquired to determine the thickness of valley-fill deposits and to delineate geologic structures that might influence groundwater flow beneath this area. |
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Rare earth element occurrences in the United States
Detailed descriptions of more than 200 mineral districts, mines, and mineral occurrences (deposits, prospects, and showings) within the United States that are reported to contain substantial enrichment of rare earth elements. |
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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. |
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Density and Magnetic Properties of Selected Rock Samples from the Western U.S. and Alaska
Physical properties (density, magnetic susceptibility, and remanent magnetism) from 20,000 rock samples. Data are provided in CSV format. |
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Whole Rock Density, Magnetic Susceptibility, and Radiometric Measurements of a Rare Earth Element Terrane, Southeastern Mojave Desert.
Rock property measurements including density, magnetic susceptibility, and radiometric concentrations to understand structural and geophysical relationships associated with rare earth element mineral deposits. Data are provided in CSV format. |
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Update of the Mineral Resources Data System for California including Mineral Deposit Types
Improved information on deposit model (type) in records of this older USGS database describing sites that are located in California. Includes a list of additional deposit types needed to properly categorize the California locations. Data are provided in Microsoft Excel, CSV, and Esri personal geodatabase (Microsoft Access) formats. |
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Magnetotelluric data across the Southern San Andreas Fault Zone, California
Magnetotelluric soundings collected in 2019 to help inform depth-dependent fault zone geometry, fluid content and porosity in this part of the fault zone. Data are provided in MTH5 format. |
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