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Northwest Africa 4915
Basic information Name: Northwest Africa 4915
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4915
Observed fall: No
Year found: 2007
Country: (Northwest Africa)
Mass:help 186.6 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  CV3
Recommended:  CV3    [explanation]

This is 1 of 536 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 23 Sep 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 4915 (NWA 4915)

(Northwest Africa)

Purchased: 2007

Classification: Carbonaceous chondrite (CV3)

History: The meteorite was bought in 2007 from a Moroccan meteorite dealer in Erfoud, Morocco.

Physical characteristics: Two brownish individuals lacking any fusion crust.

Petrography: Carbonaceous chondrite composed of up to 2 mm sized chondrules, CAIs and olivine amoeboids all set into a fine-grained almost black matrix. No type II chondrules were encountered. Some chondrules show reddish staining due to terrestrial weathering.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2007
Mass (g):186.6
Pieces:2
Class:CV3
Shock stage:S2
Weathering grade:moderate
Fayalite (mol%):6.7±2.9 (2.0-12.6, n=13)
Ferrosilite (mol%):1.6±0.3 (1.0-2.1, n=13)
Wollastonite (mol%):0.7±0.2 (0.5-1.0, n=13)
Classifier:A. Greshake, MNB
Type spec mass (g):25.1
Type spec location:MNB
Main mass:Hanno Strufe
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Mirko Graul   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7328 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

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