Antarctic Lunar Meteorites from Cryptomaria of the Moon
T. Arai, Bernard Ray Hawke, T. A. Giguere
Abstract
T. Arai, Bernard Ray Hawke, T. A. Giguere
Abstract
Mineralogical, geochemical, isotopic compositions and cosmic-ray exposure history, combined with the orbital data revealed that Antarctic lunar meteorites, Yamato-793169, Asuka-881757, Meteorites Hills 01210, and Miller Range 05035 represent the first ground truth of lunar cryptomaria, originated from the 3870 Ma-aged basalt flow buried beneath the floor of the Schickard crater on the nearside of the Moon.
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Mineralogical, geochemical, isotopic compositions and cosmic-ray exposure history, combined with the orbital data revealed that Antarctic lunar meteorites, Yamato-793169, Asuka-881757, Meteorites Hills 01210, and Miller Range 05035 represent the first ground truth of lunar cryptomaria, originated from the 3870 Ma-aged basalt flow buried beneath the floor of the Schickard crater on the nearside of the Moon.
Key concepts: Meteorite, Basalt, Geology, Regolith, Impact crater, Lunar mare, Ejecta, Astrobiology