Mineral Resources On-Line Spatial Data
Data file format in which rows appear on separate lines and columns are delimited by the tab character, ASCII 9. Typically such a file can be understood by common spreadsheet programs.
Aeromagnetic survey in Afghanistan Digital files and descriptions of airborne and ground collected magnetic data in Afghanistan
Airborne gravity survey and ground gravity in Afghanistan Data release and processing description of airborne and ground gravity data collected over Afghanistan
Alaska Geochemical Database Geochemical analyses of rock, sediment, soil, mineral, and heavy mineral concentrate samples in Alaska analyzed from 1962 through 2009
Alaska Geochemical Database (AGDB)-Geochemical data for rock, sediment, soil, mineral, and concentrate sample media Geochemical analyses of rocks, mineral separates, bulk samples from lake and stream sediments, heavy mineral concentrates, and soils collected by USGS from 1962 to 2009.
Alaska Geochemical Database, Version 2.0 (AGDB2)--including "best value" data compilations for rock, sediment, soil, mineral, and concentrate sample media Geochemical analyses of rocks, mineral separates, bulk samples from lake and stream sediments, heavy mineral concentrates, and soils collected by USGS from 1962 to 2009.
An index to PGE-Ni-Cr deposits and occurrences in selected mineral-occurrence databases (web-accessible database) A compendium of references to previously published databases and database records that describe PGE, nickel, and chromium deposits and occurrences. These data show where to obtain more detailed information about each deposit or occurrence.
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.
Audio-magnetotelluric data from the Culpeper basin, Loudoun, Fauquier, Fairfax, Prince William, Culpeper, and Orange counties, Virginia
Bedrock and soil geochemistry from Voyageurs National Park, Minnesota Analyses to establish the background and baseline geochemistry for bedrock and soil in the region, and to determine terrestrial mercury sources and sinks in the park
Carbonatites of the world, explored deposits of Nb and REE Data on 60 of the 527 known carbonatites in the world, providing reliable quantitative data on ore tonnages and grades of niobium and REE.
Alphabetical Index of Topics
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