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Northwest Africa 10157 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10157 This is an OFFICIAL meteorite name. Abbreviation: NWA 10157 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: 57 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 11 Jun 2015 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 10157 (NWA 10157) (Northwest Africa) Purchased: 2015 Classification: HED achondrite (Eucrite) History: Purchased by Luc Labenne in Erfoud in 2015 Physical characteristics: Brownish fragments without fusion crust. Magnetic susceptibility log χ = 4.93 ( χ in 10-9 m3/kg). Petrography: Strongly recrystallized igneous rock with triple junctions. Typical grain size ~ 200 μm, up to mm. Main minerals: pigeonite with augite exsolution, plagioclase, chromite (euhedral, up to 50 μm), silica plymorph (to 100 μm), ilmenite, troilite. Rare metal blebs. Geochemistry: Pyroxenes: pigeonite Fs61.2±0.3 Wo6.3±0.3 (N=3), augite Fs32.3Wo40.5 (N=1), FeO/MnO= 27.6±.1. (N=4). Plagioclase An87.3Ab12.0Or0.6 (N=2), chromite Cr#=0.84. Classification: Eucrite (granulitic texture) Specimens: 12 g at CEREGE, main mass with Labenne | ||||||||||||||||||||||||||||||
Data from: MB104 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) Labenne: 23, rue de Esperance, 75013 Paris, France; Website (private address; updated 29 Aug 2012) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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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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