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Northwest Africa 671
Basic information Name: Northwest Africa 671
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 671
Observed fall: No
Year found: 2001
Country: (Northwest Africa)
Mass:help 876 g
Classification
  history:
Meteoritical Bulletin:  MB 107  (2018)  L6
Recommended:  L6    [explanation]

This is 1 of 12058 approved meteorites (plus 6 unapproved names) classified as L6.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 20 Oct 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 671 (NWA 671)

(Northwest Africa)

Purchased: 2001

Classification: Ordinary chondrite (L6)

Petrography: Olivine exhibits weak-to-moderate mosaic extinction. Chondrules are recrystallized and poorly defined. Plagioclase grains range up to 120 μm in size. Maskelynite is absent. Metal grains are coarse, averaging ~400 μm. Some metal grains contain a few small, irregular grains of troilite.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2001
Mass (g):876
Pieces:1
Class:L6
Shock stage:S4
Weathering grade:W2
Fayalite (mol%):25.3
Classifier:A. Rubin, UCLA
Type spec mass (g):32.19
Type spec location:UCLA
Main mass:Michael Cottingham
Comments:Submitted by Simone de Leuw
Institutions
   and collections
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8402 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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