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Northwest Africa 11794 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11794 This is an OFFICIAL meteorite name. Abbreviation: NWA 11794 Observed fall: No Year found: 2017 Country: (Northwest Africa) Mass: 207 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 603 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 26 May 2018 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 11794 (NWA 11794) (Northwest Africa) Purchased: 2017 Classification: HED achondrite (Eucrite) History: The meteorite was bought from a local meteorite dealer in Morocco. Physical characteristics: Eleven greyish fragments partly covered with fusion crust. Petrography: Unbrecciated fine-grained basaltic rock predominantly composed of exsolved pyroxene and often lath-shaped plagioclase with average grains sizes of about 150 μm. Minor phases include silica, ilmenite, chromite, and troilite; no metallic iron has been detected. The meteorite contains several shock melt veins. Geochemistry: low-Ca pyroxene: Fs61.6±0.6Wo2.4±0.5 (Fs60.0-62.2Wo1.8-3.7, n=14, FeO/MnO=31-36); Ca-pyroxene: Fs26.8±0.8Wo43.3±0.9 (Fs26.0-29.5Wo40.0-44.0, n=16, FeO/MnO=29-36); calcic plagioclase: An89.4±0.6 (An88.7-90.4, n=13) | ||||||||||||||||||||||||||||
Data from: MB107 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. 107, MAPS 55, 460-462
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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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