Lunar Meteorite: Yamato 793169

Yamato 793169 (Y-793169)

Yamato Mountains, Antarctica
Found: 1979 December  8
Mass: 6.1 g (1 piece)

lunar basalt 

Randy Says…

Yamato 793169 is compositionally and mineralogically similar to basalts Asuka 881757,  MIL 05035, and Ramlat Fasad 532 (Oman). All four were likely launched from the same crater on the Moon, probably along with breccia MET 01210 and possibly Northwest Africa 16256.

More Information

Meteoritical Bulletin Database

Yamato 793169

Map: NIPR Location Map

References

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Arai T., Misawa K., and Kojima H. (2007) Lunar meteorite MIL 05035: mare basalt paired with Asuka-881757. Lunar and Planetary Science XXXVIII, abstract no. 1582.

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Arai T. , Hawke B. R., Giguere T. A., Misawa K., Miyamoto M., and Kojima H. (2010) Antarctic lunar meteorites Yamato-793169, Asuka-881757, MIL 05035, and MET 01210 (YAMM): Launch pairing and possible cryptomare origin. Geochimica et Cosmochimica Acta 74, 2231-2248.

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Fernandes V. A., Morris A., and Burgess R. (2005) New Ar-Ar Age determinations for the lunar mare basalts Asuka 881757 and Yamato 793169. Lunar and Planetary Science XXXVI, abstract no. 1002.

Fernandes V. A., Burgess R., and Morris A. (2009) ^{40Ar-39Ar age determinations of lunar basalt meteorites Asuka 881757, Yamato 793169, Miller Range 05035, LaPaz Icefield 02205, Northwest Africa 479, and basaltic breccia Elephant Moraine 96008}. Meteoritics & Planetary Science 44, 805-821.

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Morris A., Fernandes V., and Burgess R. (2008) Ar-Ar ages for lunar basalt meteorites: A 881757, Y 793169, MIL 05035, LAP 02205, NWA479 and EET 96008. Goldschmidt Conference Abstracts 2008, Geochimica et Cosmochimica Acta 72, 12S, A652.

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Takeda H., Arai T., and Saiki K. (1993) Mineralogical studies of lunar meteorite Yamato-793169, a mare basalt. Proceedings of the NIPR Symposium on Antarctic Meteorites 6, 1-13.

Thalmann C., Eugster O., Herzog G. F., Klein J., Krähenbühl U., Vogt S., and Xue S. (1996) History of lunar meteorites Queen Alexandra Range 93069, Asuka 881757, and Yamato 793169 based on noble gas isotopic abundances, radionuclide concentrations, and chemical composition. Meteoritics & Planetary Science 31, 857-858.

Torigoye N., Misawa K., and Tatsumoto M. (1992) U-Th-Pb chronology of Yamato 793169 lunar meteorite. Papers Presented to the 17th Symposium on Antarctic Meteorites, 122-124.

Torigoye N., Misawa K., and Tatsumoto M. (1993) A low U/Pb source in the Moon: U-Th-Pb systematics of lunar meteorite Yamato 793169. Proceedings of the NIPR Symposium on Antarctic Meteorites 6, 58-75.

Torigoye-Kita N., Misawa K., Dalrymple G. B., and Tatsumoto M. (1995) Further evidence for a low U/Pb source in the Moon: U-Th-Pb, Sm-Nd, and Ar-Ar isotopic systematics of lunar meteorite Yamato-793169. Geochimica et Cosmochimica Acta 59, 2621-2632.

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Zeigler R. A., Korotev R. L., and Jolliff B. L. (2007) Miller Range 05035 and Meteorite Hills 01210: Two basaltic lunar meteorites, both likely source-crater paired with Asuka 881757 and Yamato 793169. Lunar and Planetary Science XXXVIII, abstract no. 2110.