Tracking secular changes in the "water" content of lunar interior using basaltic lunar meteorites

Anand, M.; Tartèse, R.; Terada, K.; Franchi, I. A.; Starkey, N. A. and Sano, Y. (2012). Tracking secular changes in the "water" content of lunar interior using basaltic lunar meteorites. In: European Planetary Science Congress, 23-28 Sep 2012, Madrid.

URL: http://meetingorganizer.copernicus.org/EPSC2012/EP...

Abstract

Lunar meteorites provide a wider sampling of the lunar surface compared to the samples collected during the Apollo and Luna Missions. Apatite is the main hydroxyl-bearing (proxy for water) mineral in lunar samples, especially in basaltic rocks. Apatite is also amenable to in-situ U-Pb age dating studies. The ages of lunar basaltic meteorites also span over a larger range compared to basaltic samples from Apollo and Luna collections. Thus, by determining the age, the H-content, and the H isotopic composition of apatites from lunar basaltic meteorites, it is possible to investigate any secular variation in the water contents of the lunar interior.

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