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Northwest Africa 13164 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 13164 This is an OFFICIAL meteorite name. Abbreviation: NWA 13164 Observed fall: No Year found: 2019 Country: (Northwest Africa) Mass: 284 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 598 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 9 Feb 2020 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 109:
Northwest Africa 13164 (NWA 13164) (Northwest Africa) Purchased: 2019 Classification: HED achondrite (Eucrite) History: The meteorite was purchased from a meteorite dealer in Erfoud, Morocco. Physical characteristics: Grayish rock partly covered with fusion crust. Petrography: The meteorite is a coarse-grained monomict breccia composed of of exsolved pyroxene and plagioclase grains up to 4 mm in size. Minor phases include silica, ilmenite, and FeS. No metallic iron has been detected. Geochemistry: low-Ca pyroxene: Fs57.6±1.1Wo2.5±0.6 (Fs55.6-59.5Wo1.9-3.9, FeO/MnO=24-29, n=12); Ca-pyroxene: Fs24.9±0.5Wo44.2±0.8 (Fs24.2-26.5Wo42.0-45.2, FeO/MnO=25-29, n=16); calcic plagioclase: An88.9±1.6 (An86.5-90.5, n=13) | ||||||||||||||||||||||||||||
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 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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