Meteoritical Bulletin: Entry for Northwest Africa 7323

MetSoc Home Publications Contacts

Search the Meteoritical Bulletin Database
Last update: 20 Jun 2022
Search for:	Search type:	Search limits:	Display:	Publication:
Names Text Places Classes Years	Contains Starts with Exact Sounds like	NonAntarctic Falls Non-NWAs Has strewnfield		What's new in the last:
Include past classifications in search		Has photo	Limit to approved meteorite names
Search text:

Northwest Africa 7323

Basic information

Name: Northwest Africa 7323
This is an OFFICIAL meteorite name.
Abbreviation: NWA 7323
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass: 501 g

Classification
history:

Meteoritical Bulletin:	MB 102	(2013)	LL3
Recommended:			LL3 [explanation]

This is 1 of 414 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 26 Feb 2013

Writeup

Writeup from MB 102:

Northwest Africa 7323 (NWA 7323)

(Northwest Africa)

Purchased: 2012 Apr

Classification: Ordinary chondrite (LL3)

History: Purchased by Stefan Ralew in April 2012 from a dealer in Erfoud, Morocco.

Petrography: Fairly large, well-formed chondrules and relatively low content of altered metal. Olivine, orthopyroxene, pigeonite, sodic plagioclase, chromite, altered kamacite and troilite.

Geochemistry: Olivine (Fa_2.3-48.4), Cr₂O₃ in ferroan olivine = 0.06-0.25 wt.%, mean 0.13 wt.%, s.d. 0.07 wt.%, N = 7), orthopyroxene (Fs_2.3-6.7Wo_0.4-0.3), pigeonite (Fs_12.1Wo_6.7).

Classification: Ordinary chondrite (LL3).

Data from:
  MB102
  Table 0
  Line 0:

Place of purchase:	Erfoud
Date:	P 2012 Apr
Mass (g):	501
Pieces:	1
Class:	LL3
Shock stage:	S2
Weathering grade:	W2
Fayalite (mol%):	2.3-48.4
Ferrosilite (mol%):	2.3-6.7
Wollastonite (mol%):	0.4-0.3
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	20.05
Type spec location:	UWB
Main mass:	S. Ralew
Comments:	RA12-22; 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)
Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015

Find references in NASA ADS:
Find references in Google Scholar:

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 8495 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

Direct link to this page