Meteoritical Bulletin: Entry for Northwest Africa 1694

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Northwest Africa 1694

Basic information

Name: Northwest Africa 1694
This is an OFFICIAL meteorite name.
Abbreviation: NWA 1694
Observed fall: No
Year found: 2002
Country: (Northwest Africa)
Mass: 47.1 g

Classification
history:

Meteoritical Bulletin:	MB 88	(2004)	CK3
MetBase:	v. 7.1	(2006)	CK3
Recommended:			CK3 [explanation]

This is 1 of 86 approved meteorites classified as CK3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CK chondrites, CK3 chondrites, and CV-CK clan chondrites

Writeup

Writeup from MB 88:

Northwest Africa 1694

Morocco

Found 2002

Carbonaceous chondrite (CK3)

A 47.1 g stone was purchased in Safsaf, October, 2002. Mineralogy and classification (T. Bunch and J. Wittke, NAU): fresh stone (shiny fusion crust with slight interior staining near the surface) with 80 % fusion crust. Modes ( in vol%): matrix, 47; chondrules, 44; sulfides, 6; Cr-magnetite, 2; refractory inclusions, 1. Chondrules range in size from 0.08 to 1.2 mm. Matrix mostly unrecrystallized, fine-grained (<5 µm) olivine, Fa₃₇; augite, Fs₁₅Wo₄₇; Ca-poor pyroxene, Fs₂₉; Ni-rich sulfides (Co up to 0.84 wt %) and Cr-rich magnetite (Cr₂O₃ up to 15.1 wt %). Sulfides contain many small (<20 µm), rounded inclusions of Cl-apatite and SiO₂ glass. Similar to, but not paired with NWA 772. Contains Ca,Al-rich inclusions. Shock level, S1; weathering grade, W0/1. Specimens: type specimen, 9.42 g and one thin section, NAU; main mass, xHupé.

Data from:
  MB88
  Table 4
  Line 19:

Place of purchase:	Safsaf
Date:	P Oct 2002
Mass (g):	47.1
Pieces:	1
Class:	CK3
Classifier:	T. Bunch and J. Wittke, NAU
Type spec mass (g):	9.4
Type spec location:	ASU
Main mass:	Hupé

Plots:

O isotopes:

Institutions
and collections

ASU: Center for Meteorite Studies, Arizona State University, Tempe, Arizona 85287-1404, United States; Website (institutional address; updated 14 Jan 2012)
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
xHupé: (old address—now see GHupé or AHupé) G. and A. Hupe, 2616 Lake Youngs Court SE, Renton, WA 98058., United States (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)

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Photos:

Credit	Photos
Photos from the Encyclopedia of Meteorites:
Don Edwards
Shinishi Kato
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Gerald Armstrong

Geography:

Coordinates:

Unknown.

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

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Revision
history:

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