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Northwest Africa 3195
Basic information Name: Northwest Africa 3195
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 3195
Observed fall: No
Year found: 2008
Country: Morocco
Mass:help 16 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  L-melt breccia 
Recommended:  L-melt breccia    [explanation]

This is 1 of 28 approved meteorites classified as L-melt breccia.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 26 Sep 2011
Writeuphelp
Writeup from MB 100:

Northwest Africa 3195 (NWA 3195)

Morocco

Found: 2008

Classification: Ordinary chondrite (L, melt breccia)

Petrography (A. Rubin, UCLA): Stone dominated by silicate melt composed of a mixture of chondrule fragments (100-600 μm) and mafic silicate crystals (6-20 μm) that precipitated from the melt. The mean olivine Fa content and relatively high standard deviation (Fa 14.5±5.5) reflect analysis of chondrule fragments and crystals formed in the chondritic melt. Also present are cellular metal-sulfide assemblages wherein metal cells are typically 10-50 μm in size and surrounded by troilite. An equilibrated clast (2 mm long) is present at the edge of one thin section. It is the mean olivine and pyroxene in the clast (Fa23.7±0.4; Fs19.5Wo1.0) that indicate that the rock is an L chondrite. The metal abundance in the clast is ~10 wt.%; this is within the L-chondrite range established by Keil (1962): 4.4-11.7 wt.%. The rock is classified as an L-chondrite impact melt breccia.

Data from:
  MB100
  Table 1
  Line 1164:
Date:2008
Mass (g):15.97
Pieces:1
Class:L-melt breccia
Shock stage:S6
Weathering grade:W1
Fayalite (mol%):14.5±5.5
Classifier:Alan Rubin, UCLA
Type spec mass (g):5
Type spec location:UCLA
Main mass:JUtas
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)
JUtas: Jason Utas, United States (private address; updated 8 Jun 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1402 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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