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Professor Emeritus, Geology & Geophysics
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Director, Electron Microprobe Laboratory, Geology & Geophysics
Professional Organizations
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Geological Society of America - Membership Committee.
07/01/2019
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06/2021.
Position : Member.
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Mineralogical Society of America - Finance Committee.
01/01/2019
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12/2022.
Position : Member.
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Geological Society of America.
12/01/2017
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06/30/2018.
Position : Member, GSA Ad Hoc Committee to Evaluate GSA Code of Conduct.
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Geological Society of America.
07/01/2015
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06/30/2017.
Position : Chair, Committee on Diversity in the Geosciences .
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Geological Society of America.
05/01/2015
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09/30/2017.
Position : Member, GSA Diversity Task Force.
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Geochemical Society.
01/01/1970
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12/31/2018.
Position : Member.
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American Geophysical Union.
01/01/1967
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12/31/2018.
Position : Member.
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Mineralogical Society of America.
01/01/1967
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12/31/2018.
Position : Member.