Hello All, Carl B. Agee wrote:
"Yes, but not from native iron-nickel, which is normally absent in SNCs, instead from ferrimagnetic* minerals such as pyrrhotite Fe7S8 and magnetite Fe3O4." See also: Morris R.V. et al. (1998) Lepidocrocite to maghemite to hematite:Pathway to magnetic and hematitic Martian soil (Meteoritics 33-4, 1998, pp.743-751). Macri M. et al. (2004) Melt inclusions in augite from nakhlites: A key for the comprehension of Martian magnetism. (MAPS 39-8, 2004, A060). Knudsen J.M. (1992) Magnetic phases in SNC meteorites and on Mars (Meteoritics 27-3, 1992, A244): "The SNC meteorites ... contain a ferrimagnetic* phase (titano- magnetite)." Weiss B.P. et al. (2001) Records of an ancient martian magnetic field in ALH 84001 (abs. Lun. Planet. Sci. 32, #1244, Lunar and Planetary Institute, Houston, Texas, USA, CD-ROM). Regards, Bernd ______________________________________________ HAPPY HOLIDAYS!! Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list