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40Ar/39Ar geochronologic data for study of alteration systems, Butte, U.S.A.

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2020-09-29T00:00:00Z
These 40Ar/39Ar thermochronologic data for white mica and K-feldspar from alteration zones around lode veins are for the study of the Butte mining district, U.S.A. Results of the study are described and interpreted in Lund and others (2018). These data are shared to meet open data requirements.

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