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Northwest Africa 10768
Basic information Name: Northwest Africa 10768
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10768
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 540 g
Meteoritical Bulletin:  MB 105  (2016)  CO3
Recommended:  CO3    [explanation]

This is 1 of 642 approved meteorites (plus 1 unapproved name) classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 2 Sep 2016
Writeup from MB 105:

Northwest Africa 10768 (NWA 10768)

(Northwest Africa)

Purchased: 2016 May

Classification: Carbonaceous chondrite (CO3)

History: Purchased in Temara, Morocco by Adam Aaronson in May 2016.

Petrography: (A. Irving and S. Kuehner, UWS) Small, well-formed chondrules (apparent diameter 300 ± 200 μm), mineral fragments and CAI are set in a finer grained matrix (~30 vol%).

Geochemistry: Olivine (Fa0.7-53.9; Cr2O3 in ferroan examples 0.07-0.14 wt.%, mean 0.10±0.03 wt.%; N = 8), orthopyroxene (Fs2.1-22.9Wo0.3-0.8, N = 3), subcalcic augite (Fs11.1Wo28.6), augite (Fs12.9Wo44.2).

Classification: Carbonaceous chondrite (CO3).

Specimens: 20.1 g including one polished thin section at UWB; remainder with Aaronson.

Data from:
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2016 May
Mass (g):540
Shock stage:S2
Weathering grade:low
Fayalite (mol%):0.7-53.9
Ferrosilite (mol%):2.1-22.9
Wollastonite (mol%):0.3-0.8
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.1
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1929; submitted by A. Irving
   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)
Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010)
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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     This is 1 of 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names)

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