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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:
Recommended:  CVox3    [explanation]

This is 1 of 24 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 Meteoritical Bulletin, no. 111, in preparation (2022)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8636 approved meteorites from (Northwest Africa) (plus 1884 unapproved names)

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