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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:
Meteoritical Bulletin:  MB 111  (2023)  CV3
Recommended:  CV3    [explanation]

This is 1 of 470 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 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 Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
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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 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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