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HORTON NEWSOM

Ph.D., University of Arizona, 1982. (Research Professor, Institute of Meteoritics) (505) 277-0375; newsom@unm.edu

Research and Academic Interests:

My research involves understanding the geochemistry of the origin and evolution of the terrestrial planets, moons and asteroids. This work includes evaluating theories for the origin of the Earth and Moon using isotopic and geochemical constraints. Another area of my research is the geological effects of impact cratering on the Earth and Mars, including hydrothermal alteration of impact deposits and atmospheric effects during deposition of ejecta. I am also involved in educational outreach activities for K-12 students, and teacher training in planetary science.

Listing of Recent Publications:

• "Composition of the Solar System, Planets, Meteorites, and Major Terrestrial Reservoirs," Global Earth Physics: a Handbook of Physical Constants, p. 159-189, 1995 (with T.J. Ahrens ed.).
• "The Origin of Dark Clasts in the Khor Temiki Aubrite," Meteoritics and Planetary Science 31, p. 146-151, 1996 (with T. Ntaflos and K. Keil).
• "The role of hydrothermal fluids in the production of subduction zone magmas: Evidence from siderophile and chalcophile trace elements and boron," Geochim Cosmochim. Acta 60, p. 587-611, 1996 (with P.D. Noll, Jr., P.W. Leeman and J. Ryan).
• "The Abundance of W in the Bulk Silicate Earth: Constraints on Core Formation," Geochim Cosmochim. Acta 60, p. 1155-1169, 1996 (with K.W.W. Sims, P.D. Noll, Jr., S.A. Maehr and T.B. Beserra).
• "Martians in a deep freeze," (News and Views) Nature 379, p. 205-206, 1996.
• "Impact cratering and the formation of crater lakes on Mars," J. Geophys. Res. 101, p. 14,951-14,955, 1996 (with G.E. Britelle, L.J. Crossey and A.M. Kudo).
• "Chemical components of the martian soil: melt degassing, hydrothermal alteration and chondritic debris," J. Geophys. Res. 102, p. 19,345-19,356, 1997 (with J.J. Hagerty).
• "Mixed hydrothermal fluids and the origin of the Martian soil," J. Geophys. Res. 104, p. 8717-8728, 1999 (with J. J. Hagerty, and F. Goff).

Favorite Spots on the Internet:

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