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Northwest Africa 10445
Basic information Name: Northwest Africa 10445
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10445
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 255 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  CO3
Recommended:  CO3    [explanation]

This is 1 of 653 approved meteorites (plus 2 unapproved names) classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 27 Feb 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10445 (NWA 10445)

(Northwest Africa)

Purchased: 2015 May

Classification: Carbonaceous chondrite (CO3)

History: Purchased by Fabien Kuntz in May 2015 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Small chondrules (mean apparent diameter 450±300 μm), angular mineral fragments and small CAI are set in a red-brown matrix (~40 vol.%).

Geochemistry: Olivine (Fa0.3-63.8, Cr2O3 in ferroan examples 0.10-0.52 wt.%, N = 7), orthopyroxene (Fs3.7-5.4Wo1.1-2.3, N = 3), subcalcic augite (Fs4.7Wo32.5), augite (Fs3.3Wo37.6).

Classification: Carbonaceous chondrite (CO3).

Specimens: 20.21 g including one polished thin section at PSF; remainder with Kuntz.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2015 May
Mass (g):255
Pieces:several
Class:CO3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):0.3-63.8
Ferrosilite (mol%):3.7-5.4
Wollastonite (mol%):1.1-2.3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.21
Type spec location:PSF
Main mass:F. Kuntz
Comments:K266; 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)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

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