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Northwest Africa 7292 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7292 This is an OFFICIAL meteorite name. Abbreviation: NWA 7292 Observed fall: No Year found: 2012 Country: Mauritania Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 569 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 29 Sep 2013 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 102:
Northwest Africa 7292 (NWA 7292) Mauritania Found: 2011 Classification: HED achondrite (Eucrite) History: Discovered by local people in Mauritania in 2011, purchased in Nouadhibou in 2012 March. Physical characteristics: One 9.9 g stone, largely covered with black glossy fusion crust, saw-cut surface shows breccia of minor fine-grained gray groundmass with subophitic clasts. Magnetic susceptibility log χ =2.86. Petrography: Microprobe examination of a thin section shows clasts of subophitic texture separated by fine-grained veins, many pyroxenes with exsolution lamellae. Monomict breccia based on similar pyroxene compositional range in host and clasts. Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Ca-poor pyroxene: Fs61-63En34-37 (n=3); Ca-pyroxene: Fs34-61En30-36Wo5-36 (N=9); feldspar: An79-92Or<1.5 (n=17); ilmenite and SiO2. Classification: Achondrite (Eucrite, monomict) Specimens: 2.0 g on deposit at Kiel, main mass Bart. | ||||||||||||||||||||||||||||
Data from: MB102 Table 0 Line 0: |
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Institutions and collections |
Kiel: Geologisches und Mineralogisches Museum, Institut für Geowissenschaften, Christian-Albrechts-Universität Kiel, Ludewig-Mayn-Str. 10, D-24118 Kiel, Germany, Germany (institutional address; updated 13 Sep 2013) Bart: Bartoschewitz Meteorite Laboratory, Weiland 37, D-38518 Gifhorn, Germany; Website (private address; updated 30 Nov 2019) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Geography:![]() |
Statistics: This is 1 of 187 approved meteorites from Mauritania (plus 2 unapproved names) (plus 2 impact craters) |