Browsing Dept. of Mineral Sciences Staff Publications by Author "de Souza, P. A., Jr."

Now showing items 1-2 of 2

Detection of Silica-Rich Deposits on Mars

Squyres, Steven W.; Arvidson, Raymond E.; Ruff, S.; Gellert, R.; Morris, R. V.; Ming, D. W.; Crumpler, Larry S.; Farmer, J. D.; Marais, D. J. Des; Yen, A.; McLennan, S. M.; Calvin, W. M.; Bell, James F., III; Clark, Benton C.; Wang, A.; McCoy, Timothy J.; Schmidt, M. E.; de Souza, P. A., Jr. (2008)

Mineral deposits on the martian surface can elucidate ancient environmental conditions on the planet. Opaline silica deposits (as much as 91 weight percent SiO2) have been found in association with volcanic materials by ...
Iron mineralogy and aqueous alteration from Husband Hill through Home Plate at Gusev Crater, Mars: Results from the Mossbauer instrument on the Spirit Mars Exploration Rover

Morris, R. V.; Klingelhöfer, Göstar; Schroeder, C.; Fleischer, I.; Ming, D. W.; Yen, A. S.; Gellert, R.; Arvidson, Raymond E.; Rodionov, D. S.; Crumpler, Larry S.; Clark, Benton C.; Cohen, B. A.; McCoy, Timothy J.; Mittlefehldt, D. W.; Schmidt, M. E.; de Souza, P. A., Jr.; Squyres, Steven W. (2008)

Spirit's Mossbauer (MB) instrument determined the Fe mineralogy and oxidation state of 71 rocks and 43 soils during its exploration of the Gusev plains and the Columbia Hills (West Spur, Husband Hill, Haskin Ridge, ...

Search DSpace