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Acuna, M., Connerney, J., Ness, N., Lin, R., Mitchell, D., Carlson, C., McFadden, J., Anderson, K., Reme, H., Mazelle, C., Vignes, D., Wasilewski, P., and Cloutier, P. 1999. Global distribution of crustal magnetization discovered by the mars global surveyor MAG/ER experiment. Science, 284:790-793.

Buick, R. 1988. Carbonaceous filaments from North Pole, western Australia - are they fossil bacteria in archean stromatolites - a reply. Precambrian Research, 39:311-317.

Castresana, J., and Moreira, D. 1999. Respiratory chains in the last common ancestor of living organisms. Journal of Molecular Evolution, 49:453-460.

Chang, S.-B. R., and Kirschvink, J. L. 1989. Magnetofossils, the magnetization of sediments, and the evolution of magnetite biomineralization. Ann. Rev. Earth Planet. Sci., 17:169-195.

Cloud, P. E. 1988. Oasis in space: Earth history from the beginning. W.W. Norton, New York.

Cohen, B. A., Swindle, T. D., and Kring, D. A. 2000. Support for the lunar cataclysm hypothesis from lunar impact melt ages. Science, 290:1754-1756.

Darwin, C. 1859. On the origin of species by means of natural selection, or the preservation of favored races in the struggle for life. Cambridge University Press, Cambridge. Also:

Doolittle, W. F. 2000. The nature of the universal ancestor and the evolution of the proteome. Current Opinion in Structural Biology, 10:355-358.

Farquhar, J., Thiemens, M. H., and Jackson, T. 1998. Atmosphere-surface interactions on Mars: Delta O-17 measurements of carbonate from ALH 84001. Science, 280:1580-1582.

Farquhar, J., Bao, H. M., and Thiemens, M. 2000. Atmospheric influence of earth's earliest sulfur cycle. Science, 289:756-758.

Fox, J. L. 1997. Upper limits to the outflow of ions at Mars: Implications for atmospheric evolution. Geophys. Res. Lett., 24:2901-2904.

Friedmann, I. E., Wierzchos, J., Ascaso, C., and Winklhofer, M. 2001. Chains of magnetite crystals in the meteorite ALH84001: Evidence of biological origin. Proceedings of the National Academy of Sciences (USA), 98:2176-2181.

Gaidos, E. J., Nealson, K. H., and Kirschvink, J. L. 1999. Biogeochemistry - life in ice-covered oceans. Science, 284:1631-1633.

Golden, D. C., Ming, D. W., Schwandt, C. S., Lauer, H. V., Socki, R. A., Morris, R. V., Lofgren, G. E., and McKay, G. A. 2001. A simple inorganic process for formation of carbonates, magnetite, and sulfides in Martian meteorite ALH84001. American Mineralogist, 83:370-375.

Greenwood, J. P., Mojzsis, S. J., and Coath, C. D. 2000. Sulfur isotopic compositions of individual sulfides in Martian meteorites ALH84001 and Nakhla: Implications for crust-regolith exchange on Mars. Earth Planet. Sci. Lett., 184:23-35.

Grotzinger, J. P., and Knoll, A. H. 1999. Stromatolites in Precambrian carbonates: Evolutionary mileposts or environmental dipsticks? Annual Review of Earth and Planetary Sciences, 27:313-358.

Halliday, A. N., Wanke, H., Birck, J.-L., and Clayton, R. N. 2001. The accretion, composition, and early differentiation of Mars. Space Sci. Rev., 96:197-230.

Han, T. M., and Runnegar, B. 1992. Megascopic eukaryotic algae from the 2.1 billion year old Negaunne iron-formation, Michigan. Science, 257:232-235.

Hedges, S. B., H. Chen, H., S. Kumar, S., Wang, D. Y.-C., Thompson, A. S., and Watanabe, H. 2001. A genomic timescale for the origin of eukaryotes. BMC Evolutionary Biology, 1:4.

Horneck, G. 1999. European activities in exobiology in earth orbit: Results and perspectives. In Raulin, F., Kobayashi, K., and Brack, A. (eds), Life Sciences: Exobiology. Advances in Space Research, 23:381-386.

Horneck, G., Bucker, H., and Reitz, G. 1994. Long-term survival of bacterial spores in space. Advances in Space Research, 14:41-45.

Hutchins, K. S., Jakosky, B. M., and Luhmann, J. G. 1997. Impact of a paleomagnetic field on sputtering loss of Martian atmospheric argon and neon. Journal of Geophysical Research Planets, 102:9183-9189.

Jakosky, B. M., and Phillips, R. J. 2001. Mars' volatile and climate history. Nature, 412:237-244.

Kasting, J. F. 1993. Earth's early atmosphere. Science, 259:920-926.

Kirschvink, J. L., Gaidos, E. J., Bertani, L. E., Beukes, N. J., Gutzmer, J., Maepa, L. N., and Steinberger, R. E. 2000. Paleoproterozoic snowball earth: Extreme climatic and geochemical global change and its biological consequences. Proceedings of the National Academy of Sciences, 97:1400-1405.

Kump, L. R., Kasting, J. F., and Barley, M. E. 2001. Rise of atmospheric oxygen and the "upside-down" archean mantle. Geochemistry Geophysics Geosystems, 2:2000GC000114.

Mastrapa, R. M. E., Glanzberg, H., Head, J. N., Melosh, H. J., and Nicholson, W. L. 2001. Survival of bacteria exposed to extreme acceleration: Implications for panspermia. Earth and Planetary Science Letters, 189:1-8.

Mileikowsky, C., Cucinotta, F. A., Wilson, J. W., Gladman, B., Horneck, G., Lindegren, L., Melosh, J., Rickman, H., Valtonen, M., and Zheng, J. Q. 2000. Natural transfer of viable microbes in space - 1. From Mars to Earth and Earth to Mars. Icarus, 145:391-427.

Mojzsis, S. J., Arrhenius, G., Mckeegan, K. D., Harrison, T. M., Nutman, A. P., and Friend, C. R. L. 1996. Evidence for life on earth before 3,800 million years ago. Nature, 384:55-59.

Myers, J. S., and Crowley, J. L. 2000. Vestiges of life in the oldest Greenland rocks? A review of early Archean geology in the Godthabsfjord region, and reappraisal of field evidence for > 3850 Ma life on Akilia. Precambrian Research, 103:101-124.

Nair, H., Allen, M., Anbar, A. D., Yung, Y. L., and Clancy, R. T. 1994. A photochemical model of the Martian atmosphere. Icarus, 111:124-150.

Owen, T. 1992. The composition and early history of the atmosphere of Mars, p. 818-834. In Kieffer, H. H., Jakosky, B. M., Snyder, C. W., and Matthews, M. S. (eds), Mars. The University of Arizona Press, Tucson.

Pavlov, A. A., Brown, L. L., and Kasting, J. F. 2001. UV shielding of NH3 and O2 by organic hazes in the Archean atmosphere. Journal of Geophysical Research, 106:23267-23287.

Pavlov, A. A., Kasting, J. F., Brown, L. L., Rages, K. A., and Freedman, R. 2000. Greenhouse warming by CH4 in the atmosphere of early Earth. Journal of Geophysical Research - Planets, 105:11981-11990.

Phillips, R. J., Zuber, M. T., Solomon, S. C., Golomberk, M. P., Jakosky, B. C., Banerdt, W. B., Smith, D. E., Williams, R. M. E., Hynek, B. M., Aharonson, O. A., and Hauck, S. A. 2001. Ancient geodynamics and global-scale hydrology on Mars. Science, 291:2587-2591.

Rye, R., Kuo, P. H., and Holland, H. D. 1995. Atmospheric carbon-dioxide concentrations before 2.2-billion years ago. Nature, 378:603-605.

Sano, Y., Terada, K., Takahashi, Y., and Nutman, A. P. 1999. Origin of life from apatite dating? Nature, 400:127-127.

Schopf, J. W. 1993. Microfossils of the early Archean Apex Chert - new evidence of the antiquity of life. Science, 260:640-646.

Schopf, J. W., and Packer, B. M. 1987. Early Archean (3.3-billion to 3.5-billion-year-old) microfossils from Warrawoona Group, Australia. Science, 237:70-73.

Schopf, J. W., and Klein, C. 1992. The Proterozoic biosphere: A multidisciplinary study. Cambridge University Press, Cambridge, U.K.

Schutz, M., Brugna, M., Lebrun, E., Baymann, F., Huber, R., Stetter, K. O., Hauska, G., Toci, R., Lemesle-Meunier, D., Tron, P., Schmidt, C., and Nitschke, W. 2000. Early evolution of cytochrome bc complexes. Journal of Molecular Biology, 300:663-675.

Summons, R. E., Jahnke, L. L., Hope, J. M., and Logan, G. A. 1999. 2-methylhopanoids as biomarkers for cyanobacterial oxygenic photosynthesis. Nature, 400:554-557.

Sumner, D. Y. 1997. Carbonate precipitation and oxygen stratification in late archean seawater as deduced from facies and stratigraphy of the Gamohaan and Frisco formations, Transvaal Supergroup, South Africa. American Journal of Science, 297:455-487.

Thomas-Keprta, K. L., Bazylinski, D. A., Kirschvink, J. L., Clemett, S. J., McKay, D. S., Wentworth, S. J., Vali, H., Gibson Jr., E. K., and Romanek, C. S. 2000. Elongated prismatic magnetite crystals in ALH84001 carbonate globules: Potential Martian magnetofossils. Geochimica et Cosmochimica Acta, 64:4049-4081.

Thomas-Keprta, K. L., Clemett, S. J., Bazylinski, D. A., Kirschvink, J. L., McKay, D. S., S.J., W., Vali, H., Gibson, E. K. J., McKay, M. F., and Romanek, C. S. 2001. Truncated hexa-octahedral magnetite crystals in ALH84001: Presumptive biosignatures. Proceedings of the National Academy of Sciences (USA), 98:2164-2169.

Veizer, J. 1994. Geochemistry of carbonates and related topics: Database. Ruhr University, Bochum, Germany.

Wadhwa, M. (2001) Redox state of Mars' upper mantle from Eu anomalies in Shergottite pyroxenes, Science 291, 1527-1530.

Weiss, B. P., and Kirschvink, J. L. 2000. Life from space? Testing panspermia with Martian meteorite ALH84001. The Planetary Report, 20:8-11.

Weiss, B. P., Kirschvink, J. L., Baudenbacher, F. J., Vali, H., Peters, N. T., MacDonald, F. A., and Wikswo, J. P. 2000. A low temperature transfer of ALH84001 from Mars to Earth. Science, 290:791-795.

Weiss, B. P., H. Vali, F. J. Baudenbacher, S. T. Stewart, and J. L. Kirschvink, 2001, Records of an ancient Martian magnetic field in ALH84001: Lunar and Planetary Science XXXII, p. 1244.pdf.

Yung, Y. L., and DeMore, W. B. 1999. Photochemistry of planetary atmospheres. Oxford University Press, New York, N.Y, 456 pp.