Meteoritical Bulletin: Entry for Northwest Africa 7130

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Northwest Africa 7130

Basic information

Name: Northwest Africa 7130
This is an OFFICIAL meteorite name.
Abbreviation: NWA 7130
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass: 242 g

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	LL3
Recommended:			LL3 [explanation]

This is 1 of 487 approved meteorites classified as LL3. [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 10 Dec 2015

Writeup

Writeup from MB 104:

Northwest Africa 7130 (NWA 7130)

(Northwest Africa)

Purchased: 2011 Sep

Classification: Ordinary chondrite (LL3)

History: Purchased by Gary Fujihara in September 2011 from a Moroccan dealer.

Petrography: (A. Irving and S. Kuehner, UWS) Fairly closely packed, well-formed, relatively large chondrules (apparent diameter 1.2±0.8 mm, some with thin opaque rims)are set in a finer grained matrix.

Geochemistry: Olivine (Fa_1.9-81.6; Cr₂O₃ in ferroan examples is 0.02-0.27 wt.%, mean 0.11±0.10 wt.%, N = 8), orthopyroxene (Fs_12.0-24.3Wo_2.8-1.3, N = 3), clinopyroxene (Fs_8.9-12.0Wo_41.8-39.0, N = 2)

Classification: Ordinary chondrite (LL3).

Specimens: 20 g including one polished thin section at UWB; the remainder is held by Mr. G. Fujihara.

Data from:
  MB104
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P 2011 Sep
Mass (g):	242
Pieces:	2
Class:	LL3
Shock stage:	S2
Weathering grade:	W1/2
Fayalite (mol%):	1.9-81.6
Ferrosilite (mol%):	12.0-24.3
Wollastonite (mol%):	2.8-1.3
Magnetic suscept.:	4.42
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	20
Type spec location:	UWB
Main mass:	G. Fujihara
Comments:	GF11-18; 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)

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
Public domain photographs:
Gary Fujihara

Geography:

Coordinates:

Unknown.

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