Meteoritical Bulletin: Entry for Northwest Africa 2641

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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: 97 g

Classification
history:

Meteoritical Bulletin:	MB 89	(2005)	Howardite
MetBase:	v. 7.1	(2006)	Howardite
Recommended:			Howardite [explanation]

This is 1 of 449 approved meteorites classified as Howardite. [show all]
Search for other: Achondrites, HED achondrites, and Howardites

Writeup

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, Fs_12.7-24Wo_0.6-2.7 (FeO/MnO = 27.1-30.3); cumulate basalts, Fs_29-57.4Wo_1.9-3.7; 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)

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9368 approved meteorites from (Northwest Africa) (plus 1875 unapproved names)

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