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Northwest Africa 11740
Basic information Name: Northwest Africa 11740
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11740
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 106.9 g
Classification
  history:
Meteoritical Bulletin:  MB 107  (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 19 Apr 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11740 (NWA 11740)

(Northwest Africa)

Purchased: 2014

Classification: Carbonaceous chondrite (CV3)

History: The meteorite was purchased from a local meteorite dealer in Zagora, Morocco.

Physical characteristics: Greyish individual with some fusion crust.

Petrography: Carbonaceous chondrite composed of up to 3 mm sized chondrules (mean diameter about 1 mm), CAIs and olivine amoeboids all set into a fine-grained almost black matrix. One CAI about 7 mm in diameter has been observed. Type II chondrules are absent.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Zagora, Morocco
Date:P 2014
Mass (g):106.9
Pieces:1
Class:CV3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):15.4±16.7 (0.7-54.6, n=28)
Ferrosilite (mol%):1.7±0.7 (1.0-3.6, n=22)
Wollastonite (mol%):0.9±0.1 (0.7-1.2, n=22)
Classifier:A. Greshake, MNB
Type spec mass (g):20
Type spec location:MNB
Main mass:Stefan Ralew
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7320 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

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