Meteoritical Bulletin: Entry for Northwest Africa 8314

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Northwest Africa 8314

Basic information

Name: Northwest Africa 8314
This is an OFFICIAL meteorite name.
Abbreviation: NWA 8314
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass: 29.8 g

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	CO3
Recommended:			CO3 [explanation]

This is 1 of 566 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 27 Jan 2015

Writeup

Writeup from MB 104:

Northwest Africa 8314 (NWA 8314)

(Northwest Africa)

Purchased: 2014 Jan

Classification: Carbonaceous chondrite (CO3)

History: Purchased by GHupe in February 2014 from a Moroccan dealer at the Tucson Gem and Mineral Show.

Petrography: (A. Irving and S. Kuehner, UWS) Small chondrules accompanied by amoeboid CAI and mineral fragments are set in slightly brownish, fine grained matrix (comprising ~50 vol.% of the specimen).

Geochemistry: Olivine (Fa_0.4-56.6; Cr₂O₃ in ferroan olivine = 0.08-0.13 wt.%, one grain contains 0.46 wt.% Cr₂O₃, mean 0.16 wt.%, s.d. 0.15, N = 9), orthopyroxene (Fs_1.3-1.4Wo_1.0-1.9, N = 3), subcalcic diopside (Fs_1.6Wo_33.0), diopside (Fs_1.1Wo_41.1).

Classification: Carbonaceous chondrite (CO3).

Specimens: 6.03 g including one polished thin section at UWB. The remaining material is held by GHupé.

Data from:
  MB104
  Table 0
  Line 0:

Place of purchase:	Tucson
Date:	P 2014 Jan
Mass (g):	29.8
Pieces:	1
Class:	CO3
Shock stage:	S2
Weathering grade:	low
Fayalite (mol%):	0.4-56.6
Ferrosilite (mol%):	1.3-1.4
Wollastonite (mol%):	1.0-1.9
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	6.03
Type spec location:	UWB
Main mass:	G. Hupe
Comments:	GH-461; 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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
GHupé: Gregory M. Hupé, 9003 Placid Lakes Blvd., Lake Placid, FL 33852, United States; Website (private address)
Hupe: (old address—now see GHupé or AHupé) G. and A. Hupe, 2616 Lake Youngs Court SE, Renton, WA 98058., United States (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full

Find references in NASA ADS:
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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 7547 approved meteorites from (Northwest Africa) (plus 1970 unapproved names)

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