Planetary Core Formation: Evidence From Highly Siderophile Elements in Martian Meteorites

Details Planetary Core Formation: Evidence From Highly Siderophile Elements in Martian Meteorites Planetary Core Formation: Evidence From Highly Siderophile Elements in Martian Meteorites

Jan 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998mmws.workr..58w&link_type=abstract

Workshop on the Issue Martian Meteorites: Where do we Stand and Where are we Going?, p. 58

Computer Science

Igneous Rocks, Mars (Planet), Snc Meteorites, Nickel, Meteoritic Composition, Mars Surface, Asteroids, Lunar Composition, Gold, Iridium, Osmium, Rhenium, Magnesium Oxides

Scientific paper

We present new bulk compositional data for six martian meteorites, including the highly siderophile elements Ni, Re, Os, Ir, and Au. These and literature data are compared with the siderophile systematics of igneous rocks from Earth, the Moon, and the HED asteroid. The composition of ALH 84001 is anomalously siderophile-poor. Whether this reflects a more reducing environment on primordial Mars when this ancient rock first crystallized or secondary alteration is unclear.

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