Education

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B.Sc. 1964

Calcutta University | Geology, Physics, Mathematics

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M.Sc. 1966

Calcutta University | Geology

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M.S. 1969

University of Chicago | Geophysical Sciences

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Ph.D. 1975

University of California-Davis | Geology

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1975-1977, Research Associate

University of Minnesota | Geochemistry

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1977-1978, Research Scientist

U.S. Geological Survey | Geochemistry

Appointments

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Professor Emeritus

2020 – Present

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Professor

2017 – 2020

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Professor and Chair, University of Texas, Arlington

2013 – 2017

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Professor of Geological Sciences, University of Rochester

1987 – 2012

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Professor and Chair, Geological Sciences, University of Rochester

1986 – 1998

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Associate Professor of Geological Sciences, University of Rochester

1981 – 1987

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Assistant Professor of Geological Sciences, University of Rochester

1978 – 1981