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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:
Meteoritical Bulletin:  MB 109  (2021)  CV3
Recommended:  CV3    [explanation]

This is 1 of 481 approved meteorites (plus 2 unapproved names) 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 Gattacceca J., McCubbin F. M., Grossman J., Bouvier A., Bullock E., Chennaoui Aoudjehane H., Debaille V., D’Orazio M., Komatsu M., Miao B. and Schrader D. L. (2021) The Meteoritical Bulletin, No. 109. Meteoritics & Planetary Science 56, 1626–1630.
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

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