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Northwest Africa 231 | |||||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 231 This is an OFFICIAL meteorite name. Abbreviation: NWA 231 Observed fall: No Year found: 2000 Country: (Northwest Africa) Mass: 1054 g | ||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 8876 approved meteorites (plus 5 unapproved names) classified as L5. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||||
Comments: | Approved 2 Jul 2013 | ||||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 102:
Northwest Africa 231 (NWA 231) (Northwest Africa) Found: 2000 Classification: Ordinary chondrite (L5) History: Michael Cottingham acquired the sample from a meteorite prospector in 2000 and the main mass was later sold to John Cabassi. Physical characteristics: One sub-rounded 1054 g stone, with desert patina. Petrography: (A. Love, App): Sample displays recrystallized chondritic texture crosscut by subparallel shock veins and fractures. Chondrules not well defined, have flattened oblate shapes, irregular boundaries, lack glassy mesostasis and have an average diameter of 1.10 mm. Specimens: Five slices weighing 25.96 g, a polished mount with approximately 2.5 g and a thin section are currently on deposit at App. | ||||||||||||||||||||||||||||||||
Data from: MB102 Table 0 Line 0: |
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Institutions and collections |
App: Department of Geology, 572 Rivers St., Appalachian State University, Boone, NC 28608, United States (institutional address; updated 7 Mar 2013) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Geography: |
Statistics: This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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