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Northwest Africa 1912 | |||||||||||||||||||
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Basic information | Name: Northwest Africa 1912 This is an OFFICIAL meteorite name. Abbreviation: NWA 1912 Observed fall: No Year found: 2003 Country: (Northwest Africa) Mass: 13.5 g | ||||||||||||||||||
Classification history: |
This is 1 of 10 approved meteorites classified as Mesosiderite-B2. [show all] Search for other: Class B mesosiderites, Mesosiderites, and Metal-rich meteorites | ||||||||||||||||||
Writeup |
Writeup from MB 88:
Northwest Africa 1912 Morocco Found 2002 Mesosiderite A tiny, single stone of 13.52 g was purchased in Erfoud in March 2003. Classification and mineralogy (T. Bunch and J. Wittke, NAU): type 2B, contains orthopyroxene fragments, Fs26.4Wo2; molar FeO/MnO = 33, with minor recrystallization at the margins; very calcic plagioclase (An96), chromite (52.8 wt% Cr2O3), troilite, silica, and metal (6.4 wt% Ni, 0.78 wt% Co). Shock level, S1; sparse oxidation. Specimens: type specimen, 2.5 g, NAU; main mass, MFarmer. | ||||||||||||||||||
Data from: MB88 Table 4 Line 79: |
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Institutions and collections |
ASU: Center for Meteorite Studies, Arizona State University, Tempe, Arizona 85287-1404, United States; Website (institutional address; updated 14 Jan 2012) NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012) MFarmer: Michael Farmer, P.O. Box 86059, Tucson, AZ 85754-6059, United States; Website (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)
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Photos: |
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Geography: |
Statistics: This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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