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Northwest Africa 1182 | |||||||||||||||||
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Basic information | Name: Northwest Africa 1182 This is an OFFICIAL meteorite name. Abbreviation: NWA 1182 Observed fall: No Year found: 2000 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||
Classification history: |
This is 1 of 453 approved meteorites classified as Howardite. [show all] Search for other: Achondrites, HED achondrites, and Howardites | ||||||||||||||||
Writeup![]() |
Writeup from MB 86:
Northwest Africa 1182 Morocco Found 1999 Achondrite (howardite) A 780 g, mostly crusted specimen, was purchased in Morocco in 2000. Classification and mineralogy (T. Bunch and J. Wittke, NAU): medium clast size (<1.5 cm); clast modal analyses of 22 cm2 yield: diogenites, 82 vol%; ophitic to subophitic basalts, 12%; shock melt, 4%; others, 2%. Diogenite clasts, orthopyroxene (Fs24Wo1.5) predominant over pigeonite (Fs30Wo8), plagioclase, An96, ilmenite, chromite and pyrrhotite. Shock stage, S2; weathering grade, W1. Specimens: type specimen, 20.3 g and one thin section, NAU; main mass is with the purchaser. | ||||||||||||||||
Data from: MB86 Table 6 Line 113: |
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Institutions and collections |
NAU: Geology, Bldg 12
Knoles Dr
Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 86, MAPS 37, A157-A184 (2002)
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Geography: |
Statistics: This is 1 of 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names) |