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Northwest Africa 1909 | |||||||||||||||||||
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Basic information | Name: Northwest Africa 1909 This is an OFFICIAL meteorite name. Abbreviation: NWA 1909 Observed fall: No Year found: 2002 Country: (Northwest Africa) Mass: 1200 g | ||||||||||||||||||
Classification history: |
This is 1 of 279 approved meteorites classified as Eucrite-mmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||
Writeup |
Writeup from MB 88:
Northwest Africa 1909 Morocco Found 2001 Achondrite (eucrite, monomict) A 1.2 kg, complete and very fresh stone was purchased in Rissani, January 2002. Classification and mineralogy (T. Bunch and J. Wittke, NAU): monomict breccia with subophitic to microgabbroic clasts of zoned plagioclase (cores: An91; rims: An80Or1), zoned pigeonite (cores: Fs37Wo7; rims: Fs53Wo11) and zoned subcalcic ferroaugite (cores: Fs47Wo20, rims: Fs49Wo24). Minor phases include ilmenite, chromite, silica, and pyrrhotite. Inclusions of granular, Fe-rich olivine (Fo81) and metal (0.31 wt% Ni; 1.4 wt% Co) are present in pigeonite. Specimens: type specimen, 20.9 g, NAU; main mass, MFarmer. | ||||||||||||||||||
Data from: MB88 Table 4 Line 76: |
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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) | ||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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