Joyce C Brannon

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Degree

Joyce C Brannon
Laboratory for Space Sciences
Physics Department, CB 1105
Washington University
1 Brookings Drive
St. Louis, MO 63130-4899, USA

Ph.D., Washington University, 1984

Dr. Brannon is retired and living in Texas

(314) 935-5610

Dr. Brannon obtained her undergraduate degree (B.S. in Chemistry) from the University of Houston in 1971 and her Ph.D. from Washington University in 1984 (Earth & Planetary Science Department).

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Podosek F. A., Nichols R. H., Brannon J. C., Meyer B. S., Ott U., Jennings C. L. and Luo N. (2000) Potassium, stardust and the last supernova. Geochim. Cosmochim. Acta 64, 2351-2362.


Brannon J. C., Cole S. C., Podosek F. A., Ragan V. M., Coveny Jr. R. M., Wallace M. W. and Bradley A. J. (1996) Th-Pb and U-Pb dating of ore-stage calcite and Paleozoic fluid flow. Science 271 , 491-493.


Brannon, J. C., Podosek, F. A., McLimans, R. K., (1992) Alleghenian age of the Upper Mississippi Valley zinc-lead deposit determined by Rb-Sr dating of sphalerite, Nature, 356, 509-511.

Selected Publications

During the time span between her undergraduate and graduate education years she was employed by Lockheed Electronics at NASA-Johnson Space Center where she analyzed Lunar materials.

Here she first gained valuable laboratory experience in Paul Gast's mass spectrometry and clean labs, and second in Larry Haskin's neutron activation lab. She has been the mass spectrometry specialist in the Earth & Planetary Sciences Department since 1984.

Dr. Brannon's research interests have included trace element characterization of lunar and meteoritic materials, geochemical characterization of physio-chemical processes predominating during the evolution of mafic magmas, development of clean and mass spectrometry labs, early solar system isotopic structure and geochronology, isotopic stratigraphy of sediments, Sr isotopes as applied to diagenesis of carbonate sediments, isotopic evolution of ore-forming fluids for Mississippi Valley-type (MVT) mineralization, and radiometric dating of ore-deposits using 238U-206Pb and 232Th-208Pb for calcite and 87Rb-86Sr for sphalerite.