Reported sulfate mineral in lunar meteorite PCA 02007 is impact glass

1,2,3Juliane Gross, 1Allan H. Treiman, 3George E. Harlow
Meteoritics & Planetary Science (in Press) Link to Article [DOI: 10.1111/maps.12741]
1Department of Earth and Planetary Sciences, Rutgers University, Piscataway, New Jersey, USA
2Lunar and Planetary Institute, Houston, Texas, USA
3Department of Earth and Planetary Sciences, The American Museum of Natural History, New York, New York, USA
Published by arrangement with John Wiley & Sons

A grain of light-blue sulfate material was reported in the lunar highlands regolith meteorite PCA 02007 (Satterwhite and Righter 2013). Allocated grains of that material are, in fact, aluminosilicate glass with a chemical composition like that of the bulk meteorite and other lunar highlands regoliths. The calcium sulfate detected in PCA 02007 was likely a surface coating, and reasonably of Antarctic (not lunar) origin.

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