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Northwest Africa 12567
Basic information Name: Northwest Africa 12567
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12567
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 405 g
Classification
  history:
Meteoritical Bulletin:  MB 108  (2020)  CK5
Recommended:  CK5    [explanation]

This is 1 of 169 approved meteorites classified as CK5.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Comments: Approved 23 Dec 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12567 (NWA 12567)

(Northwest Africa)

Purchased: May 2017

Classification: Carbonaceous chondrite (CK5)

Petrography: This meteorite consists of fine-grained matrix (75 vol%), poorly defined chondrules (average apparent diameter 910±320 µm, n=14), low-Ca pyroxene grains, and plagioclase. No CAIs were observed. Metal, troilite and abundant Cr-rich magnetite are present in the matrix.

Geochemistry: Olivine Fa25.0-26.6; Pyroxene Fs18.3-19.8, Wo0.4-1.3 (EPMA); Plagioclase An17.5-22.3, Or3.2-5.2 (EDAX).

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Chenzhou, China
Date:P May 2017
Mass (g):405
Pieces:1
Class:CK5
Fayalite (mol%):25.7±0.6
Ferrosilite (mol%):19.2±0.7
Wollastonite (mol%):0.6±0.3
Classifier:Peng Hao and Fanyan, IGCAS
Type spec mass (g):20.4
Type spec location:IGCAS
Main mass:Shi Zhiqiang
Comments:Submitted by Li shijie
Institutions
   and collections
IGCAS: Institute of Geochemistry Chinese Academy of Sciences, Guiyang, China (institutional address; updated 27 Mar 2018)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7483 approved meteorites from (Northwest Africa) (plus 1994 unapproved names)

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