Timothy O'Hearn
Smithsonian Inst, Washington, DC
Activity
2004
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VARIABILITY IN BIOTITE COMPOSITION AMONG FOUR ORDOVICIAN TEPHRAS, AND COMPARISON WITH CENOZOIC VOLCANIC BIOTITES TO CONSTRAIN TECTONOMAGMATIC SETTING
101 Igneous PetrologyMonday, 8 November 20041:30 PM - 5:30 PM