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Northwest Africa 11265
Basic information Name: Northwest Africa 11265
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11265
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 1502 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  CV3
Recommended:  CV3    [explanation]

This is 1 of 628 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 28 Nov 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11265 (NWA 11265)

(Northwest Africa)

Purchased: 2017 Jan

Classification: Carbonaceous chondrite (CV3)

History: Purchased by Martin Goff in January 2017 from a Moroccan dealer.

Petrography: (A. Irving and S. Kuehner, UWS) Ellipsoid-shaped granular chondrules (apparent diameter 730±500 µm, N=38) and elongate CAI (both showing preferred orientation) are set in a fine grained, fractured matrix (~45 vol.%, sepia brown in thin section). One CAI contains the assemblage corundum+gehlenite+spinel+perovskite.

Geochemistry: Olivine (Fa1.7-48.2, N = 3), orthopyroxene (Fs0.5-1.0Wo1.0-0.7, N = 3), subcalcic augite (Fs3.3Wo32.1; Fs15.5Wo25.3; N = 2)

Classification: Carbonaceous chondrite (CV3). Chondrule size and matrix abundance are slightly anomalous features. Probably paired with NWA 11256.

Specimens: 59.1 g including one polished thin section and one polished mount at UWB; remainder with Mr. M. Goff.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2017 Jan
Mass (g):1502
Pieces:4
Class:CV3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):1.7-48.2
Ferrosilite (mol%):0.5-1.0
Wollastonite (mol%):1.0-0.7
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):59.1
Type spec location:UWB
Main mass:M. Goff
Comments:Work name MG17-1; 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
Catalogs:
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Photos:
CreditPhotos
Public domain photographs:
A. Irving   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names)
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Revision
  history:
  This lists important revisions made to data for this record.

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