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Northwest Africa 14631
Basic information Name: Northwest Africa 14631
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14631
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 554 g
Classification
  history:
Recommended:  CV3    [explanation]

This is 1 of 590 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 12 Feb 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14631 (NWA 14631)

(Northwest Africa)

Purchased: 2021 Dec

Classification: Carbonaceous chondrite (CV3)

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

Physical characteristics: Grayish rock without fusion crust.

Petrography: Carbonaceous chondrite composed of large chondrules (up to 3 mm sized), whitish CAIs (up to 1 cm sized), and olivine amoeboids all set into a fine-grained dark grayish to black matrix. Opaque phases include magnetite and rare pentlandite. Few chondrules show brownish staining.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Algeria
Date:P 2021 Dec
Mass (g):554
Pieces:1
Class:CV3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):6.1±8.4 (0.6-34.8, n=17)
Ferrosilite (mol%):1.2±0.4 (0.8-2.4, n=13)
Wollastonite (mol%):1.0±0.1 (0.8-1.1, n=13)
Classifier:A. Greshake, MNB
Type spec mass (g):20.3
Type spec location:MNB
Main mass:Mateusz Szyszka
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. 111, in preparation (2022)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
MS   
Robert Smart      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8559 approved meteorites from (Northwest Africa) (plus 1896 unapproved names)

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