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Northwest Africa 8320
Basic information Name: Northwest Africa 8320
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8320
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 52.2 g
Meteoritical Bulletin:  MB 104  (2015)  CV3
Recommended:  CV3    [explanation]

This is 1 of 589 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 27 Jan 2015
Writeup from MB 104:

Northwest Africa 8320 (NWA 8320)

(Northwest Africa)

Purchased: 2014 Feb

Classification: Carbonaceous chondrite (CV3)

History: Purchased by D. Pitt in February 2014 from a Moroccan dealer.

Petrography: (A. Irving and S. Kuehner, UWS) Separated granular chondrules (mean 1.4±1.1 mm) and white, amoeboid 3 mm CAI in an orange-brown oxidized matrix.

Geochemistry: Olivine (Fa0.3-7.3, N = 3), orthopyroxene (Fs0.9-4.5Wo1.4-3.3, N = 3), Al-Ti diopside in CAI (Fs0.6-0.9Wo54.2-46.3; Al2O3 11.1-10.9 wt.%, TiO2 0.7-0.9 wt.%).

Classification: Carbonaceous chondrite (CV3).

Specimens: 10.5 g including one polished thin section at UWB. The remaining material is held by DPitt.

Data from:
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2014 Feb
Mass (g):52.2
Shock stage:S2
Weathering grade:moderate
Fayalite (mol%):0.3-7.3
Ferrosilite (mol%):0.9-4.5
Wollastonite (mol%):1.4-3.3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):10.5
Type spec location:UWB
Main mass:D. Pitt
Comments:MAC0031; 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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address)
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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     This is 1 of 8495 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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