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Northwest Africa 7963 | |||||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7963 This is an OFFICIAL meteorite name. Abbreviation: NWA 7963 Observed fall: No Year found: 2013 Country: (Northwest Africa) Mass: 458 g | ||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 3299 approved meteorites (plus 1 unapproved name) classified as LL5. [show all] Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||||
Comments: | Approved 27 Jul 2013 | ||||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 102:
Northwest Africa 7963 (NWA 7963) (Northwest Africa) Purchased: 2013 Classification: Ordinary chondrite (LL5) History: A single crusted stone weighing 457.7 g was found and purchased in Agadir in 2013. Greg Catterton acquired the sample from a meteorite prospector in 2013. Physical characteristics: Dark brown fusion crust fusion crust covers -65% of the rounded ellipsoidal stone. A few shallow regmaglypts are visible on the crusted surface. Petrography: (A. Love, App): Sample is light orange in color and displays a brecciated texture composed of >2mm-sized angular-subrounded clasts of recrystallized fine to medium-grained poikoblastic-textured chondritic rock set within a fragmental matrix. Sample contains indistinct chondrules, abundant plagioclase (>100 μm), apatite and slightly weathered, rounded to irregular-shaped grains of FeNi and FeS. Geochemistry: (A.Love, App) Fa 31.4±1.1, N=13, Low Ca pyroxene Fs 25.0±1.0 Wo 2.0±0.2, N=12, An 39.14 n=1. Classification: Ordinary Chondrite (LL,5 S3, W2) Specimens: 50.77 g and 1 polished thin section are 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 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names) | ||||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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