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Northwest Africa 11749 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11749 This is an OFFICIAL meteorite name. Abbreviation: NWA 11749 Observed fall: No Year found: 2016 Country: Morocco Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 119 approved meteorites classified as Eucrite-unbr. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 19 Apr 2018 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 107:
Northwest Africa 11749 (NWA 11749) Morocco Purchased: 2016 Oct Classification: HED achondrite (Eucrite, unbrecciated) History: Bought in Munich from a dealer from NWA. Physical characteristics: Crusted stone. Cut surface reveals a rather orase-grained light grey rock. Petrography: Unbrecciated igneous rock with subophitic texture and typical grain size 500 μm. Main minerals are pyroxene and plagioclase. Troilite (to 40 μm), chromite, ilmenite, silica polymorph, FeNi metal are present. Geochemistry: Low-Ca pyroxene Fs63.0±0.3Wo2.2±0.4 (N=6), augite exsolution Fs26.4Wo45.0 (N=2), FeO/MnO 31.1±1.7 (N=8). Plagioclase An88.6Ab11.1Or0.3 (N=3). Classification: Eucrite-unbr Specimens: Type specimen at CEREGE. Main mass with Andreas Gren. | ||||||||||||||||||||||||||||
Data from: MB107 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 29 Oct 2018) Gren: Andreas Gren, Hamburg, Germany (private address) |
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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 1871 approved meteorites from Morocco (plus 24 unapproved names) (plus 1 impact crater) |