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Northwest Africa 8387 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8387 This is an OFFICIAL meteorite name. Abbreviation: NWA 8387 Observed fall: No Year found: 2014 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 353 approved meteorites classified as LL3. [show all] Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||
Comments: | Approved 6 Jun 2014 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 103:
Northwest Africa 8387 (NWA 8387) (Northwest Africa) Purchased: 2014 Classification: Ordinary chondrite (LL3) History: Purchased by Blaine Reed in Tucson, February 2014. Physical characteristics: Single stone with oxidized weathered exterior. Saw cut reveals chondrules and metal/sulfide set in a light gray matrix. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount reveals numerous chondrules, some poryphyritic with igneous zoning and mesostasis. Kamacite, troilite, and iron oxide present. Geochemistry: (C. Agee, N. Muttik, UNM) Olivine Fa27.1±2.1, Fe/Mn=55±2.1, n=36; low-Ca pyroxene Fs17.1±8.0Wo0.8±0.7, Fe/Mn=38±18, n=20. Classification: Ordinary chondrite (LL3, W2). Based on σ-Fa, this is likely near petrologic type 3.9. Specimens: 23.4 g including a probe mount on deposit at UNM, Reed 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) Reed: Blaine Reed, P.O. Box 1141, Delta, CO 81416, 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 7547 approved meteorites from (Northwest Africa) (plus 1970 unapproved names) |