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Northwest Africa 11084 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11084 This is an OFFICIAL meteorite name. Abbreviation: NWA 11084 Observed fall: No Year found: 2016 Country: (Northwest Africa) 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 14 Feb 2017 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 106:
Northwest Africa 11084 (NWA 11084) (Northwest Africa) Purchased: 2016 Classification: HED achondrite (Eucrite, unbrecciated) Physical characteristics: Very fresh thin fusion crust. Cut surface reveals light-gray, fine-grained homogeneous interior. Petrography: Unbrecciated basaltic rock with ophitic teture. Main minerals are exsolved pyroxenes and plagiocalse, with average grain size 500 μm. Accessory minerals: ilmenite, chromite. Rare metal. Geochemistry: Low Ca-pyroxene Fs62.8±0.2Wo2.6±0.6, FeO/MnO=32.0 (N=2). Augite exsolution Fs29.4Wo41.4 (N=1). Plagioclase An82.3±1.8Ab16.9±1.5Or0.8±0.3 (N=2). Chromite Cr/(Cr+Al)=0.85. Classification: Eucrite, unbrecciated. Almost no weathering. Specimens: 7.4 g at CEREGE. | ||||||||||||||||||||||||||||||
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 29 Oct 2018) ARTMET: Meteorites and Art, Poland (private address; updated 23 Feb 2018) |
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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 8559 approved meteorites from (Northwest Africa) (plus 1896 unapproved names) |