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., and de Souza, P. A., Jr. 2008. "
Detection of Silica-Rich Deposits on Mars."
Science, 320, (5879) 1063–1067.
https://doi.org/10.1126/science.1155429.