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Northwest Africa 2641
Basic information Name: Northwest Africa 2641
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2641
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass:help 97 g
Classification
  history:
Meteoritical Bulletin:  MB 89  (2005)  Howardite
MetBase:  v. 7.1  (2006)  Howardite
Recommended:  Howardite    [explanation]

This is 1 of 398 approved meteorites classified as Howardite.   [show all]
Search for other: Achondrites, HED achondrites, and Howardites
Writeuphelp
Writeup from MB 89:

Northwest Africa 2641

Northwest Africa

Purchased 2004

Achondrite (howardite)

A complete and crusted 97 g stone was purchased in Erfoud, Morocco. Description and classification (T. Bunch and J. Wittke, NAU):  fine to medium-grained (≤ 1.5 mm) howardite with a modal content of (in vol. %): diogenites, 65; cumulate texture, 24, subophitic basalts, 6 other, 5. Diogenite orthopyroxenes, Fs12.7-24Wo0.6-2.7 (FeO/MnO = 27.1-30.3); cumulate basalts, Fs29-57.4Wo1.9-3.7; cumulate basalt chromite, Cr# = 82. Shock level, moderate, low weathering grade. Specimens: type specimen, 18.8 g, NAU; main mass, Reed.

Data from:
  MB89
  Table 7
  Line 350:
Place of purchase:Erfoud
Date:2004
Mass (g):97
Pieces:1
Class:How
Classifier:Ted Bunch, NAU
Type spec mass (g):18.8
Type spec location:NAU
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
Reed: Blaine Reed, P.O. Box 1141, Delta, CO 81416, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7820 approved meteorites from (Northwest Africa) (plus 1971 unapproved names)

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