Meteoritical Bulletin: Entry for Northwest Africa 8784

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Northwest Africa 8784

Basic information

Name: Northwest Africa 8784
This is an OFFICIAL meteorite name.
Abbreviation: NWA 8784
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass: 331 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 8784 (NWA 8784)

(Northwest Africa)

Purchased: 2014 Jan

Classification: Ordinary chondrite (L3)

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

Petrography: (A. Irving and S. Kuehner, UWS) Well-formed, medium-sized chondrules (1.2±0.6 mm) in a finer grained matrix.

Geochemistry: Olivine, Fa_1.0-25.9; Cr₂O₃ in ferroan olivine 0.03-0.08 wt.%, mean 0.04±0.02 wt.%, N = 8; orthopyroxene, Fs_7.1-23.1Wo_0.2-1.8, N = 3; pigeonite, Fs_21.0Wo_15.5; subcalcic augite, Fs_13.7Wo_34.1.

Classification: Ordinary chondrite (L3).

Specimens: 26.3 g including one polished thin section at PSF; main mass with Kuntz.

Data from:
  MB104
  Table 0
  Line 0:

Place of purchase:	Erfoud
Date:	P 2014 Jan
Mass (g):	331
Pieces:	1
Class:	L3
Shock stage:	S2
Weathering grade:	W2
Fayalite (mol%):	1.0-25.9
Ferrosilite (mol%):	7.1-23.1
Wollastonite (mol%):	0.2-1.8
Magnetic suscept.:	K210
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	26.3
Type spec location:	PSF
Main mass:	F. Kuntz
Comments:	K210; 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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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Domjan Svilkovic
Mike Markowitz
Wojciech Moscinski

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)

Also see:

This lists the most popular meteorites among people who looked up this meteorite.

Revision
history:

This lists important revisions made to data for this record.

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