The petrogenetic relationship between carbonates and pyrite in Martian meteorite ALH84001

Details The petrogenetic relationship between carbonates and pyrite in Martian meteorite ALH84001 The petrogenetic relationship between carbonates and pyrite in Martian meteorite ALH84001

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28.1293s&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 293.

Computer Science

2

Mars Surface, Carbonates, Pyrites, Petrogenesis, Meteoritic Composition, Lithology, Sulfides, Sulfur Isotopes, Biogeny, Chondrites

Scientific paper

Understanding the development, timing, and setting of the precipitation of carbonate and sulfide in fracture-filling lithologies is critical to interpreting potential biomarkers in ALH84001. Preliminary textural and chemical observations suggest that the textures exhibited by the carbonates imply a low-temperature environment in which the carbonates grew into an open space containing supersaturated fluid(s). Some of the components in the carbonates may be locally derived from the orthopyroxenite lithology. Pyrite may have precipitated along with the early carbonate. The ALH84001 system remained open with regard to S species or the S was locally derived.

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