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Northwest Africa 7887
Basic information Name: Northwest Africa 7887
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7887
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 13 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  CV3
Recommended:  CV3    [explanation]

This is 1 of 470 approved meteorites (plus 2 unapproved names) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 11 Dec 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7887 (NWA 7887)

(Northwest Africa)

Purchased: 2013 Feb

Classification: Carbonaceous chondrite (CV3)

History: Purchased by Alexandre Debienne in February 2013 from a dealer in Agadir, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Large (up to 1.4 mm), separated granular chondrules plus fine grained CAI (containing perovskite, gehlenite and spinel) occur in a more ferroan matrix.

Geochemistry: Olivine (Fa0.5-51.5, N = 8), orthopyroxene (Fs1.2-1.8Wo1.2-1.3), subcalcic augite (Fs1.5Wo33.7), diopside (Fs0.4Wo50.0).

Classification: Carbonaceous chondrite (CV3).

Specimens: Type specimen plus one polished probe mount at PSF; main mass with A. Debienne.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Agadir
Date:P 2013 Feb
Mass (g):13
Pieces:1
Class:CV3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):0.5-51.5
Ferrosilite (mol%):1.2-1.8
Wollastonite (mol%):1.2-1.3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):3.5
Type spec location:PSF
Main mass:A. Debienne
Comments:AD 13210; submitted by P. Sipiera
Institutions
   and collections		 PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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