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Northwest Africa 1912
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:help 13.5 g
Classification
  history:
Meteoritical Bulletin:  MB 88  (2004)  Mesosiderite-B2
MetBase:  v. 7.1  (2006)  Mesosiderite-B2
Recommended:  Mesosiderite-B2    [explanation]

This is 1 of 7 approved meteorites classified as Mesosiderite-B2.   [show all]
Search for other: Class B mesosiderites, Mesosiderites, and Metal-rich meteorites
Writeuphelp
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:
Place of purchase:Erfoud
Date:P Mar 2003
Mass (g):13.53
Pieces:1
Class:Mes
Classifier:T. Bunch and J. Wittke, NAU
Type spec mass (g):2.5
Type spec location:ASU
Main mass:MFarmer
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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Mike Farmer      
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
David L. Ribeca   
John A. Shea   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7308 approved meteorites from (Northwest Africa) (plus 1977 unapproved names)

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