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Clark Isachsen Research Scientist, Noble Gas Geochemistry Office: Gould-Simpson Rm 115 Phone: 520-626-6055 Lab: Gould-Simpson Rm 123B Phone: 520-626-8159 Fax: 520-621-2672 Email:

Manager of the Arizona Noble Gas Laboratory (ANGL).

Research Interests:

- Tectonic and isotopic evolution of continental crust
- Evolution and stabilization of Archean cratons
- Proterozoic evolution of southwestern US and Mexico
- Tectonothermal evolution of orogenic belts
- Solar system chronology and early Earth evolution

• 1992 Ph.D. Department of Earth and Planetary Sciences, Washington University; Advisor: S. A. Bowring; Dissertation Title: U-Pb geochronology of the Yellowknife volcanic belt and subadjacent rocks, N.W.T., Canada: Constraints on the timing, duration, and mechanics of greenstone belt formation
• 1984 M.S. Department of Geological Sciences, University of British Columbia; Advisor: R. L. Armstrong
• 1980 B.S. Geology, SUNY at Albany

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Telephone: (520) 621-6000, Fax: (520) 621-2672
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