Paleolakes and impact basins in southern Arabia Terra, including Meridiani Planum, implications for the formation of hematite deposits on Mars
There is a fairly large (~28 Mb) preprint by Newsom et al. that has just been posted in the JGR-Planets in Press section. Access to JGR PIP is, I believe, available to non-subscribers:
Newsom, Horton E.; Barber, Charles A.; Hare, Trent M.; Schelble, Rachel T.; Sutherland, Van A.; Feldman, William C.,
Paleolakes & impact basins in southern Arabia Terra, including Meridiani Planum, implications for the formation of hematite deposits on Mars
Journal of Geophysical Research-Planets, In Press, 2003. (2002JE001993)
~28 Mb PDF preprint available here.