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Northwest Africa 8606 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8606 This is an OFFICIAL meteorite name. Abbreviation: NWA 8606 Observed fall: No Year found: 2014 Country: (Northwest Africa) Mass: 475 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 280 approved meteorites classified as Eucrite-mmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 3 Nov 2014 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 103:
Northwest Africa 8606 (NWA 8606) (Northwest Aftica) Purchased: 2014 Classification: HED achondrite (Eucrite, monomict) History: Purchased by Adam Aaronson in Morocco, 2014. Physical characteristics: Single stone, no fusion crust, dark brown, irregular, sandblasted exterior. A saw cut reveals a fragmental breccia with some white feldspathic clasts set in a dark brown groundmass. Petrography: (C. Agee, UNM) Microprobe examination of polished, saw-cut surface of deposit sample, shows a fragmental breccia with gabbroic and feldspathic clasts, and 200-300 μm pyroxene fragments set in a fine grained, cataclastic groundmass, some domains contain plumose quench melt. Many pyroxenes show exsolution lamellae. Accessory chromite, ilmenite, and silica. Geochemistry: (C. Agee and N. Muttik, UNM). Low-Ca pyroxene Fs60.0±4.0Wo6.0±3.7, Fe/Mn=33±1, n=24; augite Fs30.2±1.8Wo41.3±2.6, Fe/Mn=34±2, n=17; plagioclase An89.0±0.6Ab10.4±0.7Or0.6±0.1, n=6. Classification: Achondrite (eucrite, monomict breccia), moderately weathered, high shock stage. Specimens: A total of 24.2 g including a probe mount on deposit at UNM. Aaronson holds 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) Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010) |
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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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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