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| Northwest Africa 12842 | |||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 12842 This is an OFFICIAL meteorite name. Abbreviation: NWA 12842 Observed fall: No Year found: 2018 Country: Morocco Mass:  3.57 kg | ||||||||||||||||||||||
| Classification history: |
This is 1 of 1929 approved meteorites (plus 4 unapproved names) classified as L4. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||
| Comments: | Approved 31 Aug 2019 | ||||||||||||||||||||||
| Writeup |
Writeup from MB 108:
Northwest Africa 12842 (NWA 12842) Morocco Purchased: 2018 Feb Classification: Ordinary chondrite (L4) Classification: Ten olivine grains were analyzed with compositions ranging from Fo72.0 to 76.2, a mean of Fo73.9 and a standard deviation of 1.2. Several large chondrules are present (up to ~7 mm), some retaining initial crystallization textures (barred olivine). However, chondrules have undergone some deformation, are mostly no longer spherical, and no glass is present in chondrule matrix. This sample is L4 chondrite. | ||||||||||||||||||||||
| Data from: MB108 Table 0 Line 0: |
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| Institutions and collections |
Marietta: Marietta College
Department of Petroleum Engineering and Geology
215 Fifth Street,
Marietta, OH 45750, United States; Website (institutional address; updated 31 Aug 2019) |
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| References: | Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
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| Photos: |
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Geography:
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Statistics: This is 1 of 1838 approved meteorites from Morocco (plus 24 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||