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Northwest Africa 6995
Basic information Name: Northwest Africa 6995
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6995
Observed fall: No
Year found: 2005
Country: Morocco
Mass:help 17.4 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  LL4
Recommended:  LL4    [explanation]

This is 1 of 361 approved meteorites classified as LL4.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 28 Nov 2011
Writeuphelp
Writeup from MB 100:

Northwest Africa 6995 (NWA 6995)

Morocco

Found: 2005

Classification: Ordinary chondrite (LL4)

Petrography: The meteorite is a breccia, which contains about 20 vol.% angular dark chondritic clasts ranging in size from 2 to 6 mm. The clasts are dark because they contain numerous, dispersed 2-5-µm opaque grains (mainly sulfide, but also including minor chromite and accessory metallic Fe-Ni).

Data from:
  MB100
  Table 1
  Line 1565:
Place of purchase:Los Angeles
Date:2005
Mass (g):17.43
Pieces:1
Class:LL4
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):28.9±1.2
Ferrosilite (mol%):22.7
Wollastonite (mol%):2.2
Classifier:Alan Rubin, UCLA
Type spec mass (g):4.38
Type spec location:UCLA
Main mass:with purchaser: Sean Tutorow
Comments:Submitted by Alan Rubin
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. 100, MAPS 49, E1-E101 (2014)
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1409 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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