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Northwest Africa 11854
Basic information Name: Northwest Africa 11854
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11854
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass:help 6.9 g
Classification
  history:
Recommended:  CV3    [explanation]

This is 1 of 451 approved meteorites classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 4 Jul 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11854 (NWA 11854)

(Northwest Africa)

Purchased: 2005

Classification: Carbonaceous chondrite (CV3)

History: Purchased by an anonymous collector from a dealer at the Munich Show in 2005, subsequently acquired by the Hollis Collection and then donated to PSF.

Petrography: (A. Irving and S. Kuehner, UWS) Granular chondrules (apparent diameter 960±360 µm, N = 20) and irregularly shaped, very fine grained CAI are set in a fine grained matrix (40 vol.%, red-brown in thin section).

Geochemistry: Olivine (Fa0.2-41.0, N = 3), orthopyroxene (Fs0.9-1.2Wo3.8-0.7, N = 3), clinopyroxene (Fs0.9-1.2Wo39.4-35.3; Fs45.1Wo50.3; N = 3).

Classification: Carbonaceous chondrite (CV3).

Specimens: The entire specimen including one polished thin section is at PSF.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Munich
Date:P 2005
Mass (g):6.87
Pieces:1
Class:CV3
Shock stage:S2
Weathering grade:moderate
Fayalite (mol%):0.2-41.0
Ferrosilite (mol%):0.9-1.2
Wollastonite (mol%):3.8-0.7
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):6.87
Type spec location:PSF
Main mass:PSF
Comments:Work name CHC18018; submitted by A. Irving
Institutions
   and collections
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, in preparation (2018)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6317 approved meteorites from (Northwest Africa) (plus 2026 unapproved names)

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