|
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. |
Info |
|
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. |
Info |
|
A compilation of K-Ar-ages for southern California
Conventional K-Ar ages for granitic, volcanic, and metamorphic rocks collected in this area. |
Info |
|
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. |
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 |
|
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. |
Info |
|
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. |
Info |