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| Northwest Africa 2711 | |||||||||||||
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| Basic information | Name: Northwest Africa 2711 This is an OFFICIAL meteorite name. Abbreviation: NWA 2711 Observed fall: No Year found: 2005 Country: Morocco Mass:  433 g | ||||||||||||
| Classification history: |
This is 1 of 240 approved meteorites classified as Mesosiderite. [show all] Search for other: Mesosiderites, Metal-rich meteorites | ||||||||||||
| Comments: | Approved 3 Feb 2006 | ||||||||||||
| Writeup |
Writeup from MB 90:
Northwest Africa 2711 Morocco Find: 2004 Mesosiderite History: A complete stone of 433 g was purchased in Erfoud, Morocco. Petrography: (J. Wittke and T. Bunch, NAU) The specimen contains a relatively even distribution of metal and silicates with coarse orthopyroxene grains with margins that are recrystallized and contain numerous merrillite inclusions. The matrix is recrystallized. Modal content (vol%): Orthopyroxene = 66, metal = 16, plagioclase = 10, Ca pyroxene = 4, merrillite = 2, chromite and sulfide = 2. Composition: Orthopyroxene (Fs26.8Wo3.1; FeO/MnO = 31); plagioclase (An92.9). Classification: Achondrite (mesosiderite); low shock, minimal weathering. Specimens: A 24 g type specimen is on deposit at NAU. GHupé holds the main mass. | ||||||||||||
| Data from: MB90 Table 2 Line 55: |
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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) GHupé: Gregory M. Hupé, 9003 Placid Lakes Blvd., Lake Placid, FL 33852, United States; Website (private address) |
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| References: | Published in Meteoritical Bulletin, no. 90, MAPS 41, 1383-1418 (2006)
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Geography:
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Statistics: This is 1 of 1967 approved meteorites from Morocco (plus 37 unapproved names) (plus 1 impact crater) | ||||||||||||