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Northwest Africa 13437
Basic information Name: Northwest Africa 13437
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13437
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 133.8 g
Classification
  history:
Recommended:  CV3    [explanation]

This is 1 of 565 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 2 Nov 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13437 (NWA 13437)

(Northwest Africa)

Purchased: 2020 February

Classification: Carbonaceous chondrite (CV3)

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

Physical characteristics: Almost black egg-shaped rock without fusion crust.

Petrography: Carbonaceous chondrite composed of large chondrules (mean diameter about 0.8 mm; up to 2 mm sized), CAIs (up to 4.5 mm sized), and olivine amoeboids all set into a fine-grained almost black matrix. The meteorite is relatively fresh with only very few chondrules showing light brownish staining.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Guelmin, Morocco
Date:P 2020 February
Mass (g):133.8
Pieces:1
Class:CV3
Shock stage:S1
Weathering grade:low
Fayalite (mol%):9.2±7.5 (0.5-23.8, n=18)
Ferrosilite (mol%):1.6±0.2 (1.5-2.1, n=13)
Wollastonite (mol%):0.9±0.1 (0.8-0.9, n=13)
Classifier:A. Greshake, MNB
Type spec mass (g):20.3
Type spec location:MNB
Main mass:Kuntz
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Kuntz: Fabien Kuntz, France; Website (private address)
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 7885 approved meteorites from (Northwest Africa) (plus 1958 unapproved names)

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