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| Northwest Africa 12554 | |||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 12554 This is an OFFICIAL meteorite name. Abbreviation: NWA 12554 Observed fall: No Year found: 2019 Country: Morocco Mass:  446 g | ||||||||||||||||||||||
| Classification history: |
This is 1 of 481 approved meteorites (plus 2 unapproved names) classified as CV3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites | ||||||||||||||||||||||
| Comments: | Approved 15 May 2019 | ||||||||||||||||||||||
| Writeup |
Writeup from MB 108:
Northwest Africa 12554 (NWA 12554) Morocco Purchased: 2019 Jan Classification: Carbonaceous chondrite (CV3) Petrography: (J. Gattacceca, CEREGE) Chondrite with large chondrules (~mm) and CAIs set in an abundant fine-grined iron-rich matrix. Opaque minerals are sulfide, magnetite, rare metal. Geochemistry: Olivine 13.3±13.5 (n=6). Low-Ca pyroxene Fs1.4Wo1.2 (n=1). Defocused (10 µm) microprobe total in the matrix is 96.8% (n=2). Classification: Carbonaceous chondrite (CV3) Specimens: Type specimen at CEREGE. Main mass with Kuntz. | ||||||||||||||||||||||
| Data from: MB108 Table 0 Line 0: |
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| Institutions and collections |
CEREGE: CEREGE
BP 80
Avenue Philibert, Technopole de l'Arbois
13545 Aix-en-Provence Cedex 4
France, France (institutional address; updated 10 Jun 2023) Kuntz: Fabien Kuntz, France; Website (private address) |
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| References: | Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
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Geography:
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Statistics: This is 1 of 2163 approved meteorites from Morocco (plus 32 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||