Meteoritical Bulletin: Entry for Northwest Africa 1908

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Northwest Africa 1908

Basic information

Name: Northwest Africa 1908
This is an OFFICIAL meteorite name.
Abbreviation: NWA 1908
Observed fall: No
Year found: 2002
Country: (Northwest Africa)
Mass: 980 g

Classification
history:

Meteoritical Bulletin:	MB 88	(2004)	Eucrite-cm
MetBase:	v. 7.1	(2006)	Eucrite-cm
Recommended:			Eucrite-cm [explanation]

This is 1 of 55 approved meteorites classified as Eucrite-cm. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Writeup

Writeup from MB 88:

Northwest Africa 1908

Morocco

Found 2001

Achondrite (eucrite, cumulate)

A 980 g, complete and very fresh stone was purchased in Rissani, January 2002. Classification and mineralogy (T. Bunch and J. Wittke, NAU): monomict, orthocumulate eucrite breccia. Contains cumulate, unzoned plagioclase An_89-90 (N=24); orthopyroxene with tight compositional cluster at Fs₆₅Wo₂ (N=36) and exsolution lamellae of augite, Fs₂₈Wo₄₄; minor TiO₂-rich (18.2 wt%) to TiO₂-poor (<3%) chromite is present as inclusions in pyroxene. Microbreccia shear zones and plastic deformation of adjoining minerals with melt pockets are common within clasts. Non-sheared clasts are unshocked. Specimens: type specimen, 20.6 g, NAU; main mass, MFarmer.

Data from:
  MB88
  Table 4
  Line 75:

Place of purchase:	Rissani
Date:	P Jan 2002
Mass (g):	980
Pieces:	1
Class:	Euc cm
Classifier:	T. Bunch and J. Wittke, NAU
Type spec mass (g):	20.6
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)

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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
bphd
Gerald Armstrong

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9116 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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