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Northwest Africa 11768
Basic information Name: Northwest Africa 11768
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11768
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 183 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 11 May 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11768 (NWA 11768)

(Northwest Africa)

Purchased: 2013

Classification: Carbonaceous chondrite (CV3)

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

Physical characteristics: Five dark greyish fragments without fusion crust.

Petrography: Carbonaceous chondrite composed of chondrules (mean diameter about 1 mm; up to 6 mm sized), CAIs, and olivine amoeboids all set into a fine-grained dark brownish matrix. Type II chondrules are absent. Most chondrules show reddish staining due to terrestrial weathering.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2013
Mass (g):183
Pieces:5
Class:CV3
Shock stage:S2
Weathering grade:high
Fayalite (mol%):5.5±4.9 (0.6-13.8, n=15)
Ferrosilite (mol%):1.2±0.2 (1.0-1.7, n=16)
Wollastonite (mol%):1.0±0.1 (0.9-1.3, n=16)
Classifier:A. Greshake, MNB
Type spec mass (g):20.2
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 7328 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

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