Partitioning behavior of Ni, Co, Mo, and W between basaltic liquid and Ni-rich metal - Implications for the origin of the moon and lunar core formation

Details Partitioning behavior of Ni, Co, Mo, and W between basaltic liquid and Ni-rich metal - Implications for the origin of the moon and lunar core formation Partitioning behavior of Ni, Co, Mo, and W between basaltic liquid and Ni-rich metal - Implications for the origin of the moon and lunar core formation

Nov 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991georl..18.2077h&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 18, Nov. 1991, p. 2077-2080.

Physics

6

Basalt, Lunar Composition, Lunar Core, Lunar Evolution, Lunar Mantle, Metals, Abundance, Cobalt, Liquid Metals, Molybdenum, Nickel, Tungsten

Scientific paper

A recent model of the origin of the moon in a giant impact put forth by O'Neill (1991) states that the bulk abundances of siderophile elements in the moon would be provided by the impactor plus a late reduced veneer. A small Ni-rich core would then separate setting the siderophile element abundance pattern in the lunar mantle. The hypothesis is tested using simple mass balance and the results of an experimental study conducted on the partitioning of moderately siderophile elements between basalt and Ni-rich metal. The hypothesis is viable under a limited set of conditions.

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