The ferroan-anorthositic suite, the extent of primordial lunar melting, and the bulk composition of the moon

Details The ferroan-anorthositic suite, the extent of primordial lunar melting, and the bulk composition of the moon The ferroan-anorthositic suite, the extent of primordial lunar melting, and the bulk composition of the moon

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jgr....98.5445w&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 98, no. E3, p. 5445-5455.

Other

7

Anorthosite, Lunar Composition, Lunar Crust, Lunar Evolution, Magma, Geochemistry, Lunar Geology, Lunar Rocks, Moon, Composition, Ferroan Material, Anorthosite, Melting, Crust, Magma Ocean, Mineralogy, Aluminum Oxide, Origin, Source, Formation, Mantle, Parent Material, Geochemistry, Model, Magmatism, Comparisons, Samples, Lunar, Thermal History, Evolution, Plagioclase, Alumina, Garnet, Pyroxene

Scientific paper

A major component of the moon's crust is fundamentally unrelated to the plagioclase flotation crust that is believed to have accumulated over the primordial magma ocean, as evidenced by the geochemical bimodality of pristine lunar rocks. This bimodality and the apparent ratio of ferroan-anorthositic suite rocks to non-ferroan-anorthositic suite rocks in the lunar crust are used to determine the proportion of the moon that was melted during the development of the primordial magma ocean. Models of the origin of the earth-moon system are constrained by this proportion. Another constraint, suggesting that the bulk-moon pyroxene/(pyroxene + olivine) ratio is higher than generally estimated, is also derived.

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