Meteoritical Bulletin: Entry for Northwest Africa 7194

MetSoc Home Publications Contacts

Search the Meteoritical Bulletin Database
Last update: 18 Nov 2023
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 7194

Basic information

Name: Northwest Africa 7194
This is an OFFICIAL meteorite name.
Abbreviation: NWA 7194
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass: 141.6 g

Classification
history:

Meteoritical Bulletin:	MB 101	(2012)	R4
Recommended:			R4 [explanation]

This is 1 of 68 approved meteorites classified as R4. [show all]
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 4-7)

Comments:

Approved 22 Aug 2012

Writeup

Writeup from MB 101:

Northwest Africa 7194 (NWA 7194)

(Northwest Africa)

Purchased: 2012 Jan

Classification: Rumuruti chondrite (R4)

History: Purchased in 2012 January by Greg Hupé from a Moroccan dealer at the Tucson Gem and Mineral Show.

Petrography: Separated, well-formed chondrules (mostly PO, with some RP and BO types) in an orange-brown matrix containing minor altered iron metal and barite. The main minerals are olivine, clinopyroxene, sparse orthopyroxene, sodic plagioclase, chromite and pentlandite.

Geochemistry: Olivine (Fa_38.2-38.4), orthopyroxene (Fs_29.8Wo_1.4; Fs_5.8-8.6Wo_3.7-4.6), clinopyroxene (Fs_9.1-10.7Wo_46.0-45.3, Cr₂O₃ = 0.44-0.70 wt.%).

Classification: R4 chondrite.

Data from:
  MB101
  Table 0
  Line 0:

Place of purchase:	Tucson
Date:	P 2012 Jan
Mass (g):	141.6
Pieces:	1
Class:	R4
Shock stage:	S2
Weathering grade:	W2/3
Fayalite (mol%):	38.2-38.4
Ferrosilite (mol%):	29.8; 9.1-10.7
Wollastonite (mol%):	1.4; 46.0-45.3
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	20
Type spec location:	UWB
Main mass:	GHupé
Comments:	GH-429; 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)
GHupé: Gregory M. Hupé, 9003 Placid Lakes Blvd., Lake Placid, FL 33852, United States; Website (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015

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

Photos:

Credit	Photos
Photos from the Encyclopedia of Meteorites:
Greg Hupe

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names)

Direct link to this page