Molybdenite in calcium-aluminum-rich inclusions in the Allende meteorite

Details Molybdenite in calcium-aluminum-rich inclusions in the Allende meteorite Molybdenite in calcium-aluminum-rich inclusions in the Allende meteorite

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977gecoa..41.1170f&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 41, Aug. 1977, p. 1170-1173, 1175.

Computer Science

4

Chondrites, Meteoritic Composition, Molybdenum Disulfides, Aluminum, Calcium, Metal Particles, Minerals, Refractories

Scientific paper

The first observations of molybdenite in a meteorite have been made in two Ca-Al-rich inclusions in the Allende chondrite. The mineral occurs as single individuals completely enclosed in high Ni metal (62-64.5 wt. % Ni). The association with refractories is consistent with thermodynamic calculations which predict that Mo is a high temperature condensate even when nucleation constraints are imposed on the formation of a metal phase. Kinetic factors (including nucleation constraints) appear to have played an important role in the formation of molybdenite and the associated sulfides, magnetite and high nickel metal.

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