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This data portal assembles, reformats, corrects, and archives data obtained from the geochemical analysis of samples collected for USGS and Department of Energy studies.

Beginning in 1962, analytical laboratories now housed within the Mineral Resources Program have recorded geochemical data in digital databases. During this time, these laboratories have analyzed over 1.5 million samples of geologic material such as soils, stream sediments, and rocks, and continue to analyze several thousand samples annually. The database representing these analyses contains in excess of 59 million analytical determinations.
Proceeding indicates agreement to the following terms and conditions:
Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected.
Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty.
Geologic Unit
Source:
Date submitted
Sediment samples Rock samples Soil samples Mineral samples Geologic material samples Weeks Months (default) Years