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Northwest Africa 13630 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 13630 This is an OFFICIAL meteorite name. Abbreviation: NWA 13630 Observed fall: No Year found: 2020 Country: (Northwest Africa) Mass: 85 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 522 approved meteorites classified as Diogenite. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 16 Dec 2020 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 109:
Northwest Africa 13630 (NWA 13630) (Northwest Africa) Purchased: 2020 Classification: HED achondrite (Diogenite) History: The meteorite was purchased from a dealer in Morocco. Physical characteristics: Six fragments some of which almost completely covered with fusion crust. Petrography: Fragmental breccia predominantly composed of up to 1.5 mm sized orthopyroxene crystals set into fine-grained related matrix. Some of the pyroxenes display magmatic zoning. Minor phases include olivine, calcic plagioclase, chromite, FeS, and FeNi-metal. Geochemistry: zoned low-Ca pyroxene: Fs24.5±1.5Wo2.0±0.6 (Fs22.9-27.7Wo1.1-2.8, n=16, FeO/MnO=26±2); olivine: Fa35.3±0.1 (Fa35.1-35.6, n=16, FeO/MnO=44±2) Classification: Diogenite (olivine-bearing) | ||||||||||||||||||||||||||||||
Data from: MB109 Table 0 Line 0: |
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Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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Geography: |
Statistics: This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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