Meteoritical Bulletin: Entry for Northwest Africa 8786

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Northwest Africa 8786

Basic information

Name: Northwest Africa 8786
This is an OFFICIAL meteorite name.
Abbreviation: NWA 8786
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass: 45 g

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	L3
Recommended:			L3 [explanation]

This is 1 of 848 approved meteorites (plus 2 unapproved names) classified as L3. [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 31 Jan 2015

Writeup

Writeup from MB 104:

Northwest Africa 8786 (NWA 8786)

(Northwest Africa)

Purchased: 2014 Jan

Classification: Ordinary chondrite (L3)

History: Purchased by Fabien Kuntz in January 2014 from a dealer in Rissani, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Closely packed, round chondrules (1.2±0.8 mm, one 3.6 mm) in a finer grained matrix.

Geochemistry: Olivine, Fa_0.9-31.3; Cr₂O₃ in ferroan olivine, 0.04-0.15 wt.%, mean 0.08±0.04 wt.%, N = 8; orthopyroxene, Fs_2.5-23.3Wo_0.8-2.4, N = 3; augite, Fs_9.1-9.9Wo_45.3-42.0, N = 2.

Classification: Ordinary chondrite (L3).

Specimens: 10.44 g including one polished thin section at PSF; main mass with Kuntz.

Data from:
  MB104
  Table 0
  Line 0:

Place of purchase:	Rissani
Date:	P 2014 Jan
Mass (g):	45
Pieces:	1
Class:	L3
Shock stage:	S2
Weathering grade:	W2
Fayalite (mol%):	0.9-31.3
Ferrosilite (mol%):	2.5-23.3
Wollastonite (mol%):	0.8-2.4
Magnetic suscept.:	K212
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	10.44
Type spec location:	PSF
Main mass:	F. Kuntz
Comments:	K212; submitted by P. Sipiera

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. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

Also see:

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Revision
history:

This lists important revisions made to data for this record.

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