Meteoritical Bulletin: Entry for Northwest Africa 2088

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Northwest Africa 2088

Basic information

Name: Northwest Africa 2088
This is an OFFICIAL meteorite name.
Abbreviation: NWA 2088
Observed fall: No
Year found: 2003
Country: (Northwest Africa)
Mass: 252 g

Classification
history:

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

This is 1 of 660 approved meteorites classified as Ureilite. [show all]
Search for other: Achondrites, Ureilites

Writeup

Writeup from MB online:

Northwest Africa 2088

Morocco

Found 2003

Achondrite (ureilite)

A single complete stone of 252 g was purchased in Rissani, Morocco in 2003 November. Description and classification (J. Wittke and T. Bunch, NAU): typical ureilite of low metamorphic grade; contains graphite flakes and limited development of silicate rim reduction and interstitial metal. No evidence of preferred grain orientation. Pigeonite shows pronounced {100} lamellar twinning. Olivine cores, Fa10.3, rims Fa7.8; pigeonite, Fs9.1Wo7.3. Shock level, S3; weathering grade, W2. Specimens: type specimen 20.7 g, and one thin section, NAU; main mass, MFarmer.

Data from:
  MB89
  Table 7
  Line 87:

Place of purchase:	Rissani
Date:	Nov 2003
Mass (g):	252
Pieces:	1
Class:	Ure
Shock stage:	S3
Weathering grade:	W2
Fayalite (mol%):	7.8-10.3
Ferrosilite (mol%):	9.1
Type spec mass (g):	22.7
Comments:	Wo7.3; Undefined note. NAU is Northern Arizona University, Flagstaff, AZ 86011, USA

Institutions
and collections

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. 89, MAPS 40, A201-A263 (2005)

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Photos:

Credit	Photos
Photos from the Encyclopedia of Meteorites:
Mike Farmer

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

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Revision
history:

This lists important revisions made to data for this record.

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