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Northwest Africa 8782
Basic information Name: Northwest Africa 8782
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8782
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 162.2 g
Meteoritical Bulletin:  MB 106  (2018)  CK3/4
Recommended:  CK3/4    [explanation]

This is 1 of 3 approved meteorites classified as CK3/4.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CK chondrites, CK3 chondrites, and CV-CK clan chondrites
Comments: Approved 14 Mar 2017
Writeup from MB 106:

Northwest Africa 8782 (NWA 8782)

(Northwest Africa)

Purchased: 2014 Jun

Classification: Carbonaceous chondrite (CK3/4)

History: Purchased by Darryl Pitt in June 2014 from a dealer in Mauritania.

Petrography: (A. Irving and S. Kuehner, UWS) Separated, well-formed mm-sized chondrules occur within a finer grained matrix containing Cr-magnetite.. Other minerals are olivine (some with very forsteritic cores), orthopyroxene, clinopyroxene, sodic plagioclase and intermediate plagioclase.

Geochemistry: Olivine (relict core Fa1.5; predominantly Fa25.7-26.9, N = 4), orthopyroxene (Fs23.2-23.8Wo5.4-0.6, N = 2), clinopyroxene (Fs15.7-23.8Wo47.9-48.5, N = 2).

Classification: Carbonaceous chondrite (CK3/4).

Specimens: 20.2 g including one polished thin section at UWB; main mass with DPitt.

Data from:
  Table 0
  Line 0:
Place of purchase:Mauritania
Date:P 2014 Jun
Mass (g):162.2
Shock stage:S2
Weathering grade:low
Fayalite (mol%):25.7-26.9
Ferrosilite (mol%):23.2-23.8
Wollastonite (mol%):5.4-0.6
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.2
Type spec location:UWB
Main mass:D. Pitt
Comments:MAC 78; 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 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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     This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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