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Northwest Africa 11209 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11209 This is an OFFICIAL meteorite name. Abbreviation: NWA 11209 Observed fall: No Year found: 2015 Country: Mali Mass: 50.2 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 136 approved meteorites classified as Eucrite-unbr. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 22 Apr 2017 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 106:
Northwest Africa 11209 (NWA 11209) Mali Purchased: 2015 Classification: HED achondrite (Eucrite, unbrecciated) History: Purchased from El Moktar Ait Hiba at the 2015 Munich meteorite show. Physical characteristics: A stone with fresh fusion crust. Broken surface reveals homogeneous grey interior. Petrography: Igneous rock with ophitic texture. Low-Ca pyroxenes have augite exsolution. Average grain size 400 μm. Accessory silica polymorph, ilmenite, chromite. Rare metal. Geochemistry: Low-Ca pyroxene Fs60.2±0.2Wo1.7±0.2, FeO/MnO=30.9±2.3 (N=5). Augite exsolution Fs30.5Wo38.1 (N=1). Plagioclase An79.2Ab17.7Or3.1 (N=4). Classification: Eucrite, unbrecciated Specimens: type specimen and polished sections at CEREGE. Main mass with Pierre-Marie Pelé. | ||||||||||||||||||||||||||||||
Data from: MB106 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) |
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Catalogs: |
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References: | Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Geography: |
Statistics: This is 1 of 112 approved meteorites from Mali (plus 3 unapproved names) | ||||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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