National Geochemical Database, U.S. Geological Survey RASS (Rock Analysis Storage System) geochemical data for Alaska

Bailey, E. A.; Smith, D. B.; Abston, C. C.; Granitto, Matthew; Burleigh, K. A.

Abstract:

This dataset contains geochemical data for Alaska produced by the analytical laboratories of the Geologic Division of the U.S. Geological Survey (USGS). These data represent analyses of stream-sediment, heavy-mineral-concentrate (derived from stream sediment), soil, and organic material samples. Most of the data comes from mineral resource investigations conducted in the Alaska Mineral Resource Assessment Program (AMRAP). However, some of the data were produced in support of other USGS programs. The data were originally entered into the in-house Rock Analysis Storage System (RASS) database. The RASS database, which contains over 580,000 data records, was used by the Geologic Division from the early 1970‘s through the late 1980‘s to archive geochemical data. Much of the data have been previously published in paper copy USGS Open-File Reports by the submitter or the analyst but some of the data have never been published. Over the years, USGS scientists recognized several problems with the database. The two primary issues were location coordinates (either incorrect or lacking) and sample media (not precisely identified). This dataset represents a re-processing of the original RASS data to make the data accessible in digital format and more user friendly. This re-processing consisted of checking the information on sample media and location against the original sample submittal forms, the original analytical reports, and published reports. As necessary, fields were added to the original data to more fully describe the sample preparation methods used and sample medium analyzed. The actual analytical data were not checked in great detail, but obvious errors were corrected.

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USGS Numbered Series

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21973

Citation Author:

Bailey, E. A.; Smith, D. B.; Abston, C. C.; Granitto, Matthew; Burleigh, K. A.

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Version 1.0.

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ENGLISH

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Available on the web

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Citation Publisher:

U.S. Geological Survey, U.S. Dept.of the Interior,

Citation Series:

Open-File Report

Citation Series Code:

OFR

Citation Series Number:

99-433

Citation Search Results Text:

National Geochemical Database, U.S. Geological Survey RASS (Rock Analysis Storage System) geochemical data for Alaska; 1999; OFR; 99-433; Bailey, E. A.; Smith, D. B.; Abston, C. C.; Granitto, Matthew; Burleigh, K. A.