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Whole-rock geochemical data for volcanic rocks sampled in northwestern Utah and adjacent states (analyzed by the U.S. Geological Survey Analytical Laboratories)

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 07:56 PM | Dataset Last Updated: February 09, 2026 at 12:00 AM
This data release makes available raw analytical data from USGS laboratory procedures completed to determine the geochemistry of 90 volcanic rock samples collected and analyzed from 1981 through 1994. The rocks range from Eocene to Quaternary in age and represent lava flows, tuffs, and subvolcanic intrusions.

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