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Northwest Africa 14860
Basic information Name: Northwest Africa 14860
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14860
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 538 g
Classification
  history:
Recommended:  CVox3    [explanation]

This is 1 of 30 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 14860 (NWA 14860)

(Northwest Africa)

Purchased: 2021

Classification: Carbonaceous chondrite (CVox3)

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

Physical characteristics: Four dark brownish fragments without fusion crust.

Petrography: Carbonaceous chondrite composed of large chondrules (mean diameter about 1 mm; up to 5 mm in diameter), CAIs (up to 6 mm in diameter), and amoeboid olivine aggregates all set into a fine-grained brownish matrix. Some chondrules show reddish staining due to terrestrial alteration. Opaque phases are sulfides and rare metal.

Geochemistry: Ni in sulfides 22.7±0.3 wt%, N=5

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

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Algeria
Date:P 2021
Mass (g):538
Pieces:4
Class:CVox3
Shock stage:S2
Weathering grade:moderate
Fayalite (mol%):5.3±5.2 (0.9-17.4, n=15)
Ferrosilite (mol%):1.2±0.3 (0.8-1.9, n=10)
Wollastonite (mol%):1.0±0.1 (0.9-1.2, n=10)
Classifier:A. Greshake, MNB
Type spec mass (g):20.9
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 9116 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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