Meteoritical Bulletin: Entry for Northwest Africa 2079

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Northwest Africa 2079

Basic information

Name: Northwest Africa 2079
This is an OFFICIAL meteorite name.
Abbreviation: NWA 2079
Observed fall: No
Year found: 2002
Country: (Northwest Africa)
Mass: 496 g

Classification
history:

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

This is 1 of 280 approved meteorites classified as Eucrite-mmict. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Writeup

Writeup from MB 88:

Northwest Africa 2079

Morocco

Found 2002

Achondrite (eucrite, monomict)

A 496 g, partial stone with 70 % fusion crust, was purchased in Rissani, March 2002. Classification and mineralogy (T. Bunch and J. Wittke, NAU): brecciated basalt with < 15 vol. % cataclastic matrix; clast grain size range, 1.5 mm to 0.4 mm; cumulate texture with strong, preferred orientation of plagioclase and pyroxene crystals in most clasts. Orthopyroxene, Fs_55-61 Wo_1.5-2.1; exsolution lamellae; Fs_44-47Wo_15-21; plagioclase more sodic than most typical eucrites; An_77-82Or_2.5-4.1; minor silica, ilmenite and chromite. Moderately shocked, parallel fracturing and mosaicism in pyroxenes and reduced birefringence in major minerals. Very fresh interior with greenish appearance. Specimens: 21.3 g, NAU; main mass, Hmani.

Data from:
  MB88
  Table 4
  Line 156:

Date:	2002
Mass (g):	496
Pieces:	1
Class:	Euc

Institutions
and collections

NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
Hmani: A. Hmani Moroccan Imports, 13 rue Jules Hardouin Mansart, 92600 Asnières, France (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)

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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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