Stratigraphic inferences derived from borehole data of Tertiary basin-filling rocks of the Pahrump Valley basin, Nevada and California

Sweetkind, Donald S.; Taylor, Emily; Putnam, Heather

Abstract:

This report summarizes the results from the compilation and interpretation of lithologic information from 266 driller?s logs from the Pahrump Valley, NV-CA. Borehole records for the Pahrump Valley were selected from a total of several thousand available well logs as those having lithologic data and high confidence in the well locations. Driller?s descriptions were reduced into one of 14 lithologic categories to produce a set of subsurface data that were internally consistent and amenable to contouring. Using the lithologic descriptors, the aggregate thickness of general lithologic types (coarse grained material, fine grained material, limestone, and volcanic material) were computed for each borehole. These data were used to compute ratios such as percent coarse-grained component of sedimentary rocks penetrated in each borehole that could be contoured.

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USGS Numbered Series

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51483

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Sweetkind, Donald S.; Taylor, Emily; Putnam, Heather

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Version 1.0

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ENGLISH

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30 p.

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Open-File Report

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OFR

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2003-51

Citation Search Results Text:

Stratigraphic inferences derived from borehole data of Tertiary basin-filling rocks of the Pahrump Valley basin, Nevada and California; 2003; OFR; 2003-51; Sweetkind, Donald S.; Taylor, Emily; Putnam, Heather