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Northwest Africa 13054
Basic information Name: Northwest Africa 13054
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13054
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 238 g
Classification
  history:
Recommended:  CV3    [explanation]

This is 1 of 522 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 18 Jan 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13054 (NWA 13054)

(Northwest Africa)

Purchased: 2019

Classification: Carbonaceous chondrite (CV3)

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

Physical characteristics: Dark brownish rock without fusion crust.

Petrography: Carbonaceous chondrite composed of up well-defined chondrules (mean diameter about 900 µm), CAIs (up to 5 mm), and olivine amoeboids all set into a fine-grained almost black matrix. Type II chondrules are absent. Some chondrules show reddish staining due to terrestrial weathering.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2019
Mass (g):238
Pieces:1
Class:CV3
Shock stage:S1
Weathering grade:moderate
Fayalite (mol%):8.6±8.9 (0.6-28.9, n=19)
Ferrosilite (mol%):2.9±3.6 (1.5-14.4, n=11)
Wollastonite (mol%):0.7±0.1 (0.4-0.8, n=21)
Classifier:A. Greshake, MNB
Type spec mass (g):21.7
Type spec location:MNB
Main mass:Philippe Schmitt-Kopplin
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 Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7171 approved meteorites from (Northwest Africa) (plus 2003 unapproved names)

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