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Elemental and Strontium Isotopic Composition of Select Central Plateau and Upper Basin Member Rhyolites, Yellowstone Plateau Volcanic Field (Under Revision)

Dates

Publication Date
Time Period
2022-10-04

Citation

Harrison, L.N., Hurwitz, S., Paces, J.B., McCleskey, R.B., Roth, D.A., Conrey, R., and Stelten, M.E., 2022, Elemental and Strontium Isotopic Composition of Select Central Plateau and Upper Basin Member Rhyolites, Yellowstone Plateau Volcanic Field: U.S. Geological Survey Data Release, https://doi.org/10.5066/P952ZE74.

Summary

Note: this data release is currently being revised and is temporarily unavailable. The Yellowstone Plateau Volcanic field consists of lavas from the last two million years. The most recent volcanic units are the Central Plateau Member and the older Upper Basin Member rhyolites (Christiansen, 2001). Investigations into the elemental and isotopic composition of these lavas can provide insight into the recent volcanic history of the different eruptive episodes and provide constraints on the hydrothermal fluid compositions that result from water-rock interactions occurring at depth within the hydrothermal system. In this Data Release, twenty-one samples of Yellowstone rhyolite samples from Upper Basin and Central Plateau Member lava flows [...]

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Purpose

The purpose of this report is to: (1) provide elemental and strontium isotopic composition of several rhyolite lava units in Yellowstone National Park; (2) describe methods used to collect and analyze the samples; (3) describe quality-control procedures; and (4) supplement interpretive reports.

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