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Hydration rind dates rhyolite flows

January 1, 1968

Hydration of obsidian has been used to date rhyolite flows, containing obsidian or porphyritic glass, at Glass Mountain (Medicine Lake Highlands) and Mono Lake, California. The method is simple and rapid and can be used to date flows that erupted between 200 and approximately 200,000 years ago.

Publication Year 1968
Title Hydration rind dates rhyolite flows
Authors I. Friedman
Publication Type Article
Publication Subtype Journal Article
Series Title Science
Index ID 70011545
Record Source USGS Publications Warehouse