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A geochemical isotopic (Nd-Pb) comparison of volcanic rocks erupted during the last 3,550 yrs. B.P. of interplinian activity of Somma-Vesuvius Volcano, southern Italy
Nd and Pb isotopic analyses from stratigraphic sampling from Somma-Vesuvius volcanic complex, Italy, during the last 3550 years point to contributions from heterogeneous lithosphere, continental crust, and magma mixing. |
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| Acid-rock drainage at Skytop, Centre County, Pennsylvania, 2004 | Info |
| Geochemical and Sulfur-Isotopic Signatures of Volcanogenic Massive Sulfide Deposits on Prince of Wales Island and Vicinity, Southeastern Alaska | Info |
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Geochemical data from analyses of rock, sediment, water, and solid-phase leaching at the Tuba City open dump, Tuba City, Arizona
Study of sources and resulting transport of radionuclides and other dissolved constituents in the surrounding ground water. |
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Major- and trace-element concentrations in soils from two continental-scale transects of the United States and Canada
Spreadsheets containing geochemical data for soils |
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Regional geochemical results from the reanalysis of NURE stream sediment samples--Eagle 3 degree quadrangle, east-central Alaska
Reanalyses of NURE sediment samples in the Fortymile mining district, east-central Alaska. Provides new lower limits for some elements. Compares data from newer analytical techniques with original NURE data. |
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Spatial database of mining-related features in 2001 at selected phosphate mines, Bannock, Bear Lake, Bingham, and Caribou Counties, Idaho
Features include mine pit; backfilled mine pit; waste rock dump; adit and waste rock dump; ore stockpile; topsoil stockpile; tailings or tailings pond; sediment catchment; facilities; road; railroad; water reservoir; disturbed land, undifferentiated; and |
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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. |
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Spatial digital database for the tectonic map of southeast Arizona
Geologic map GIS which represents the original content of the published geologic map and which can be queried in many ways to produce a variety of geologic maps and derivative products. |
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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. |
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The sedimentary carbonate-hosted giant Bayan Obo REE-Fe-Nb ore deposit of inner Mongolia, China: A cornerstone example for giant polymetallic ore deposits of hydrothermal origin
Detailed geological and geochemical studies of this large deposit provided evidence for the origin and characteristics favorable for its formation and parameters necessary for defining giant polymetallic deposits of hydrothermal origin. |
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U.S. Geological Survey Energy and Minerals science strategy: A resource lifecycle approach
Explains the major questions and strategic actions to be carried out by the USGS to understand energy and mineral resources, their effects on the environment and on the economy and provide information to the public to support decision making. |
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U.S. mineral dependence—Statistical compilation of U.S. and world mineral production, consumption, and trade, 1990–2010
The report provides insight into the dependence of the United States on foreign supply to meet the country’s mineral needs. This overview highlights the importance of understanding what is happening at each point along the supply chain. |
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Uranium-lead zircon ages and Sr, Nd, and Pb isotope geochemistry of selected plutonic rocks from western Idaho
U-Pb geochronology and isotopic studies of select plutons across the Salmon River suture in western Idaho. |
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| Water and sediment chemical data and data summary of samples collected in 1999 and 2001 in the Goodpaster River Basin, Big Delta B-2 Quadrangle, Alaska | Info |