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Northwest Africa 8609 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8609 This is an OFFICIAL meteorite name. Abbreviation: NWA 8609 Observed fall: No Year found: 2014 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 314 approved meteorites classified as Lunar (feldsp. breccia). [show all] Search for other: Lunar meteorites | ||||||||||||||||||||||||||||
Comments: | Approved 3 Nov 2014 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 103:
Northwest Africa 8609 (NWA 8609) (Northwest Africa) Purchased: 2014 Classification: Lunar meteorite (feldspathic breccia) History: Purchased by Matt Morgan and Lee Morgan in 2014, reported found in Morocco. Physical characteristics: Single stone, dark brown, irregular weathered surface. Saw cut reveals a range of light and dark mm-size clasts and mineral fragments set in a dark-gray matrix. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows a fragmental breccia of plagioclase, olivine, and pyroxene grains, also feldspathic clasts, melt clasts, and microgabbro clasts. Accessory Fe-Ni metal, ilmenite, and apatite. Geochemistry: (C. Agee and N. Muttik, UNM). Olivine Fa28.4±3.1, Fe/Mn=102±9, n=22; pigeonite Fs22.9±5.4Wo10.1±2.0, Fe/Mn=53±5, n=11; low-Ca pyroxene Fs26.5±6.0Wo4.0±0.8, Fe/Mn=59±5, n=9; plagioclase An93.2±3.2Ab6.2±2.9Or0.6±0.3, n=7. Classification: Achondrite (Lunar feldspathic breccia), moderately weathered, high shock stage. Specimens: A total of 9.0 g, including a probe mount, is on deposit at UNM, MtMorgan and Lee Morgan hold the main mass. | ||||||||||||||||||||||||||||
Data from: MB103 Table 0 Line 0: |
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Institutions and collections |
UNM: Institute of Meteoritics
MSC03 2050
University of New Mexico
Albuquerque NM 87131-1126
USA, United States; Website (institutional address; updated 12 Feb 2015) MtMorgan: Matt Morgan, Mile High Meteorites, P.O. Box 151293, Lakewood, CO 80215-9293, United States; Website (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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Geography: |
Statistics: This is 1 of 9092 approved meteorites from (Northwest Africa) (plus 1875 unapproved names) |