Crystallization Age and Impact Resetting of Ancient Lunar Crust from the Descartes Terrane

Details Crystallization Age and Impact Resetting of Ancient Lunar Crust from the Descartes Terrane Crystallization Age and Impact Resetting of Ancient Lunar Crust from the Descartes Terrane

Jan 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002mbns.conf...42n&link_type=abstract

The Moon Beyond 2002: Next Steps in Lunar Science and Exploration, p. 42

Mathematics

Logic

Crystallization, Lunar Crust, Lunar Evolution, Geochemistry, Lunar Rocks, Breccia, Mendelevium, Strontium, Argon

Scientific paper

Lunar ferroan anorthosites (FANs) are relics of an ancient, primary feldspathic crust that is widely believed to have crystallized from a global magma ocean. Compositions and ages of FANs provide fundamental information about the origin and magmatic evolution of the Moon, while the petrology and thermal history of lunar FANs illustrate the structure and impact history of the lunar crust. Here we report petrologic, geochemical, and isotopic (Nd-Sr-Ar) studies of a ferroan noritic anorthosite clast from lunar breccia 67215 to improve our understanding of the composition, age, and thermal history of the Moon.

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