Horton Newsom

Ph.D., University of Arizona, 1982. (Research Professor and Senior Research Scientist III, Institute of Meteoritics) (505) 277-0375; Email:newsom@unm.edu

Research and Academic Interests:

Geochemistry. Co-investigator and science team member for the ChemCam instrument on the Mars Science Laboratory; research interests include understanding the origin and evolution of planetary bodies, including planets, moons and asteroids, geological effects of impact cratering on the Earth and Mars including hydrothermal and atmospheric effects, weathering and soil formation on Mars, and educational outreach initiatives in K-12 science teaching.


Listing of Recent Publications:

Newsom, H.E., Hagerty, J.J., and Thorsos, I.E. (2001) Location and sampling of aqueous and hydrothermal deposits in Martian impact craters, Astrobiology, 1, 71-88.

Stoker, C.R., Newsom, H.E. and 33 other co-authors, (2001) The 1999Marsokhod rover mission simulation at silver Lake California: Mission overview, data sets, and summary of results. J. Geophys. Res. (Planets), 106,. 7639-7663

Newsom, H.E., Bishop, J.L., Cockell, C., Roush, T.L., Johnson, J.R. (2001) The search for life on Mars in surface samples, lessons from the 1999 Marsokhod rover field experiment. J. Geophys. Res. (Planets), 106, 7713-7720.

Mahaney, W.C., Dohm, J.M., Baker, V.R., Newsom, H.E., Malloch, D., Hancock, R.G.V., Campbell, I., Sheppard, D., and Milner, M.W. (2001) Morphogenesis of Antarctic Paleosols, Icarus, 15, 113-130.

Schuerger., A.C., Ming, D.W., Newsom, H.E., Ferl, R.J., and McKay, C.P. (2002) Near-term Lander Experiments for Growing Plants on Mars: Requirements for Information on Biological, Chemical, and Physical Properties of Mars Regolith, Life Support & Biosphere Science, 8(3/4):137-147

Hagerty, J.J., and Newsom, H.E. (2003) Hydrothermal alteration at the Lonar Lake impact structure, India: implications for impact cratering on Mars. Meteoritics and Planetary Science, 38, 365-381.

Newsom, H.E., Barber, C.A., Hare, T.M., Schelble, R.T., Sutherland, V.A. and Feldman, W.C., (2003) Paleo-lakes and impact basins in Sinus Meridiani, Mars, implications for the formation of hematite deposits, J. Geophys. Res. (Planets), ROV 16, 1-12 (DOI 10.1029/2002JE001993).

Cabrol, N. A., Newsom, H.E. et al., (2003) Exploring Gusev crater with MER A: Review of Science Objectives and Testable Hypotheses", J. Geophys. Res. (Planets), ROV 17, 1-21 (DOI 10.1029/2002JE002026).

Nelson, M.J., Newsom, H.E., and Draper, D.S (2005) Incipient hydrothermal alteration of basalts and the origin of martian soil, Geochim. Cosmochim. Acta, 69, 2701-2711.

Beaty, D.W., S.M. Clifford, L.E. Borg, D. Catling, R.A. Craddock, D.J. Des Marais, J.D. Farmer, H.V. Frey, R.M. Haberle, C.P. McKay, H.E. Newsom, T.J. Parker, T. Segura and K.L. Tanaka (2005) Key Science Questions from the Second Conference on Early Mars: Geologic, Hydrologic, and Climatic Evolution and the Implications for Life, Astrobiology, Vol. 5, No. 6: 663-689.

Thompson, J.R., R.C. Wiens, J. E.  Barefield, D.T. Vaniman, H.E. Newsom, S. M. Clegg (2006) Remote Laser Induced Breakdown Spectroscopy (LIBS) Analyses of DaG 476 and Zagami Martian Meteorites, J. Geophysical Research (Planets) 111, E5006 (DOI 10.1029/2005JE002578).

Beaty, D.W.; Buxbaum, K.L.; Meyer, M.A.; Barlow, N.G.; Boynton, W.V.; Clark, B.C.; Deming, J.W.; Doran, P.T.; Edgett, K.S.; Hancock, S.L.; Head, J.W.; Hecht, M.H.; Hipkin, V.; Kieft, T.L.; Mancinelli, R.L.; McDonald, E.V.; McKay, C.P.; Mellon, M.T.; Newsom, H.E.; Ori, G.G.; Paige, D.A.; Schuerger, A.C.; Sogin, M.L.; Spry, J.A.; Steele, A.; Tanaka, K.L.; Voytek, M.A.; (2006). Findings of the Special Regions Science Analysis Group, Astrobiology Volume 6, Number 5, 677-732.

Newsom, H.E., Nelson, M.J., Shearer C.K. and Dressler B.O. (2006) Mobile element transport in the Yaxcopoil drill core by secondary ion mass spectrometry (SIMS), Meteoritics and Planetary Science, 41, 1929-1945.

Newsom, H.E. (2007) Geochemical analogues and Martian meteorites, The Geology of Mars: Evidence from Earth-Based Analogues, Editor: Dr. Mary G. Chapman, Cambridge University Press, 400-423.

Keller, J. M.; Boynton, W. V.; Karunatillake, S.; Baker, V. R.; Dohm, J. M.; Evans, L. G.; Finch, M. J.; Hahn, B. C.; Hamara, D. K.; Janes, D. M.; Kerry, K. E.; Newsom, H.E.; Reedy, R. C.; Sprague, A. L.; Squyres, S. W.; Starr, R. D.; Taylor, G. J.; Williams, R. M. S. (2006)Equatorial and midlatitude distribution of chlorine measured by Mars Odyssey GRS Journal of Geophysical Research, 111, Issue E3, CiteID E03S0.

Newsom, H.E., Crumpler, L.S., Reedy R.C., Peterson M.T., Newsom G.C., Evans L.G., Taylor G.J., Keller J.M., Janes D.M., Boynton W.V., Kerry K.E. and Karunatillake S. (2007), Geochemistry of Martian soil and bedrock in mantled and less mantled terrains with gamma ray data from Mars Odyssey, Journal of Geophysical Research, 112, E03S12, doi:10.1029/2006JE002680.

Petersen, M.T., Newsom, H.E., Nelson, M.J., and Moore, D.M. (2007) Hydrothermal alteration in the Bosumtwi impact structure: Evidence from 2M1-muscovite alteration veins and fracture fillings, Meteoritics and Planetary Science, 42, 655-666.

Karunatillake, S., J. M. Keller, S. W. Squyres, W. V. Boynton, J. Brückner, D. M. Janes, O. Gasnault, and H. E. Newsom (2007), Chemical compositions at Mars landing sites subject to Mars Odyssey Gamma Ray Spectrometer constraints, J. Geophys. Res., 112, E08S90, doi:10.1029/2006JE002859.

Boynton, W. V., G. J. Taylor, L. G. Evans, R. C. Reedy, R. Starr, D. M. Janes, K. E. Kerry, D. M. Drake, K. J. Kim, R. M. S. Williams, M. K. Crombie, J. M. Dohm, V. Baker, A. E. Metzger, S. Karunatillake, J. M. Keller, H. E. Newsom, J. R. Arnold, J. Bruckner, P. A. J. Englert, O. Gasnault, A. L. Sprague, I. Mitrofanov, S. W. Squyres, J. I. Trombka, L. d’Uston, H. Wänke, and D. K. Hamara et al. (2007), Concentration of H, Si, Cl, K, Fe, and Th in the low- and mid-latitude regions of Mars, J. Geophys. Res., 112, E12S99.

Counley, J. ; Wise, J.; Newsom, H.E. Asplund, S.; Ristvey, J. D. Jr.; and Wilkerson, S. B. (2008) Finding Meteorites after School. The After School Review, Spring 2008, p. 10-12.

Wiseman, S. M., Arvidson, R. E., Andrews-Hanna, J. C., Clark, R. N., Lanza, N. L., Des Marais, D., Marzo, G. A., Morris, R. V., Murchie, S. L., Newsom, H. E., Noe Dobrea, E. Z., Ollila, A. M., Poulet, F., Roush, T. L., Seelos, F. P., and Swayze, G. A., (2008). The transition from phyllosilicate-bearing to sulfate-rich deposits within Miyamoto crater in southern Sinus Meridiani, Mars. Geophys. Res. Lett., 35, L19204.

El Maarry, M.R., Gasnault, O, Toplis, M.J., Baratoux, D., Dohm, J.M., Newsom, H.E., Boynton W.V., Karunatillake, S. (2008) Gamma-ray constraints on the chemical composition of the martian surface in the Tharsis region: A signature of partial melting of the mantle? Journal of Volcanology and Geothermal Research Special issue: Tectonic and Volcanic History of the Tharsis Province, Mars, p. 116-122.

Misra S., Newsom, H.E., Shyam Prasad M., Geissman, J.W., Dube A. and Sengupta D. (2009) Geochemical evidence of the impactor for Lonar Crater, India: Solution to a century-old mystery, Meteoritics and Planetary Sciences, 44, 1001-1018.

Lanza, N.L., Meyer, G.A., Okubo, C., Newsom, H.E., and Wiens, R.C. (2009) Evidence for debris flow and shallow subsurface flow on Mars, Icarus, doi:10.1016/j.icarus.2009.04.014.

Marzo, G. A., T. L. Roush, N. L. Lanza, P. C. McGuire, H. E. Newsom, A. M. Olilla, S. M. Wiseman (2009), Mineralogy of the inverted channel on the floor of Miyamoto Crater, Mars, Geophysical Research Letters, 36, L11204, doi:10.1029/2009GL038703.

Newsom, H.E., Lanza, N.L., Ollila, A.M., Wiseman, S.M., Roush, T.L., Marzo, G.A., Tornabene, L.L., Okubo, C.H., Osterloo, M.M., Hamilton, V.E., Crumpler, L.S. (2009) Evidence for inverted channel formation on the floor of Miyamoto crater, Mars, Icarus, doi:10.1016/j.icarus.2009.03.030.

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