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Northwest Africa 14861
Basic information Name: Northwest Africa 14861
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14861
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass:help 436 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  CVox3
Recommended:  CVox3    [explanation]

This is 1 of 53 approved meteorites classified as CVox3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 9 May 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14861 (NWA 14861)

(Northwest Africa)

Purchased: 2022

Classification: Carbonaceous chondrite (CVox3)

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

Physical characteristics: Two brownish fragments without fusion crust.

Petrography: Carbonaceous chondrite composed of large chondrules (up to 2 mm sized), whitish CAIs (up to 4 mm sized), and olivine amoeboids all set into a fine-grained light brownish to slightly greenish matrix. Opaque phases are Ni-rich sulfides, magnetite, and rare metal. Some chondrules show reddish staining due to terrestrial alteration.

Geochemistry: Ni in sulfides 15.9±1.6 wt%, N=5

Classification: Carbonaceous chondrite (CVox3). Oxidized subgroup based on high concentrations of Ni in sulfide.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2022
Mass (g):436
Pieces:2
Class:CVox3
Shock stage:S1
Weathering grade:moderate
Fayalite (mol%):17.8±14.8 (4.8-53.6, n=15)
Ferrosilite (mol%):2.0±0.6 (0.9-2.4, n=8)
Wollastonite (mol%):1.1±0.1 (0.9-1.2, n=8)
Classifier:A. Greshake, MNB
Type spec mass (g):20
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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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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