Meteoritics/Planetary Geochemistry

Gibson E.K. Jr., Thomas-Keptra K.L., Clemett S J., McKay D.S., Romanek C. and Wentworth S.J. 2003 Evidence for past life on Early Mars: How the evidence stands. ASP Conference Series 213, 203-207.

Clemett S.J., Thomas-Keptra K.L., Shimmin J., Morphew M., McIntosh J.R., Bazylinski D.A., Kirschvink J.L., Wentworth S.J., McKay D.S., Vali H., Gibson E.K. Jr and Romanek C.S. 2002 Crystal morphology of MV-1 magnetite Amer. Mineral. 87, 1727-1730.

Thomas-Keptra K., Clemett S.J., Bazylinski D.A., Kirschvink J.L., McKay D.S., Wentworth S.J., Vali H., Gibson, Jr. E.K. and Romanek C.S. 2002. Magnetofossils from Ancient Mars: a robust biosignature in the Martian Meteorite ALH84001 Applied and Environmental Microbiology 68, 3663-3672.

Thomas-Keptra, K., Romanek, C.S. and others. 2001. Truncated hexa-octohedral magnetite crystals in ALH84001: Presumptive biosignatures. Proceedings of the National Academy of Sciences 98, 2164-2169.

Thomas-Keptra, K.L., Romanek, C.S. and others. 2000. Elongated prismatic magnetite (Fe3O4) crystals in ALH84001 carbonate globules: Potential martian magnetofossils. Geochim. Cosmochim. Acta 64, 4049-4081.

Gibson, E.K., Romanek, C.S. and others. 1999. Life on Mars: evaluation within Martian meteorites ALH84001, Nakhla, and Shergotty. Precambrian Research 106 (2001) 15-34.

Romanek, C.S., Perry, E.C., Treiman, A.H., Socki, R.A., Jones, J.H. and Gibson, E.K. Jr. 1998. Oxygen isotopic record of silicate alteration in the Shergotty-Nakhla-Chassigny meteorite Lafayette. Meteorics and Planet. Sci. 33, 775-784.

Treiman, A.H. and Romanek, C.S. 1998. Bulk and stable isotopic compositions of carbonate mineral in Martrian meteorite Allan Hills 84001: No proof of high formation temperature. Meteoritics and Planet. Sci. 33, 737-742.

Thomas-Keptra K., McKay D.S., Wentworth S.J., Stevens T.O., Taunton A.E., Allen C.C., Coleman A., Gibson E.K. Jr and Romanek C.S. 1998. Bacterial mineralization patterns in Columbia River basaltic environments: Implications for possible life in martian meteorite ALH84001. Geology 26, 1031-1034.

Valley J.W., Eiler J.M., Graham C.M., Gibson E.K. Jr., Romanek C.S. and Stolper E.M. 1997. Low temperature carbonate concretions in the Martian Meteorite ALH84001: Evidence from stable isotopes and mineralogy. Science 275, 1633-1638.

McKay D.S., Gibson E.K. Jr., Thomas-Keptra K. and Romanek C.S. 1997 Evidence for possible past life in a martian meteorite: A current assessment. SPIE 3111, 2-6.

Vali H., Paquette J., Sears S.K., Temmam M., Williams-Jones A.E., Gibson E.K. Jr, Thomas-Keptra K.L., Romanek C.S. and McKay D.S. 1997 Significance of microstructure for the recognition of biologically mediated mineralization. SPIE 3111, 137-143.

McKay, D.S., Gibson, E.K. Jr., Thomas-Keptra, K.L., Vali, H., Romanek, C.S., Clemett, S.J., Chillier, X.D.F., Maechling, C.R. and Zare, R.N. 1996. Search for past life on Mars: Possible relic biogenic activity in Martian Meteorite ALH84001. Science 273, 924-930.

McKay D.S., Thomas-Keptra K.L., Romanek C.S., Gibson E.K. Jr. and Vali H 1996 Evaluating the evidence for past life on Mars. Science 274, 2123-2124.

Gibson E.K. Jr., McKay D.S., Thomas-Keptra K.L. and Romanek C.S. 1996 Evaluating the evidence for past life on Mars. Science 274, 2125.

Romanek, C.S., Grady, M.M., Wright, I.P., Mittlefehldt, D.W., Socki, R.A., Pillinger, C.T. and Gibson, E.K. Jr. 1994. Record of fluid-rock interactions on Mars from the meteorite ALH84001. Nature 372, 655-657.