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Northwest Africa 8670
Basic information Name: Northwest Africa 8670
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8670
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 53 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  CK6
Recommended:  CK6    [explanation]

This is 1 of 56 approved meteorites classified as CK6.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Comments: Approved 12 Dec 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8670 (NWA 8670)

(Northwest Africa)

Purchased: 2014 May

Classification: Carbonaceous chondrite (CK6)

History: Purchased by John Higgins in May 2014 from a dealer in Laayoune, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Largely recrystallized with few obvious chondrules and abundant Cr-bearing magnetite with marginal secondary iron hydroxides. Olivine is stained pale brown; other minerals are clinopyroxene, intermediate plagioclase and pentlandite.

Geochemistry: Olivine (Fa34.1-34.8, FeO/MnO = 111-116, N = 3), orthopyroxene (Fs9.3-10.3Wo48.0-47.1, N = 3).

Classification: Carbonaceous chondrite (CK6).

Specimens: 10.8 g including one polished thin section at UWB. The remaining material is held by Mr. J. Higgins.

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Laayoune
Date:P 2014 May
Mass (g):53
Pieces:1
Class:CK6
Shock stage:S2
Weathering grade:low
Fayalite (mol%):34.1-34.8
Ferrosilite (mol%):9.3-10.3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):10.8
Type spec location:UWB
Main mass:J. Higgins
Comments:JH14-9; submitted by A. Irving
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6968 approved meteorites from (Northwest Africa) (plus 2012 unapproved names)

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