Meteoritical Bulletin: Entry for Northwest Africa 2082

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Northwest Africa 2082

Basic information

Name: Northwest Africa 2082
This is an OFFICIAL meteorite name.
Abbreviation: NWA 2082
Observed fall: No
Year found: 2003
Country: (Northwest Africa)
Mass: 33 g

Classification
history:

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

This is 1 of 531 approved meteorites classified as Ureilite. [show all]
Search for other: Achondrites, Ureilites

Writeup

Writeup from MB online:

Northwest Africa 2082

Morocco

Found 2003

Achondrite (ureilite)

A 33 g single, complete stone was purchased in Rissani, Morocco in 2003 October. Description and classification (J. Wittke and T. Bunch, NAU): typical ureilite with a large amount (~ 30 vol%) of dark, interstitial materials (carbon, fine-grained silicates, and weathering oxides). Olivine cores are Fa17.8 (Cr2O3 = 1.03 wt %); reduced rim olivine, Fa4 (Cr2O3 = 0.73 wt %); pigeonite cores, Fs15.6Wo6.2 (Cr2O3 = 1.21 wt%), rims, Fs10.1Wo8.6 (Cr2O3 = 0.93 wt%). Shock level, S2; weathering grade, medium (no metal or sulfides remain). Specimens: type sample, 8.5 g, and one thin section, NAU; main mass, MFarmer.

Data from:
  MB89
  Table 7
  Line 81:

Place of purchase:	Rissani
Date:	Oct 2003
Mass (g):	33
Pieces:	1
Class:	Ure
Fayalite (mol%):	4-17.8
Ferrosilite (mol%):	15.6-10.1
Classifier:
Type spec mass (g):	8.5

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)

Find references in NASA ADS:
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Photos:

Credit	Photos
Photos from the Encyclopedia of Meteorites:
Michael Cottingham
Mike Farmer

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 7320 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

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