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Northwest Africa 8397
Basic information Name: Northwest Africa 8397
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8397
Observed fall: No
Year found: 2014
Country: Western Sahara
Mass:help 23.1 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  CV3
Recommended:  CV3    [explanation]

This is 1 of 507 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 29 May 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8397 (NWA 8397)

Western Sahara

Found: 2014

Classification: Carbonaceous chondrite (CV3)

History: Found by a meteorite hunter on a 2014 Jan-Feb expedition in Western Sahara, and subsequently purchased by Darryl Pitt.

Physical characteristics: Single stone with dark weathered exterior. Saw cut reveals chondrules and CAIs set in a dark gray matrix.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows numerous irregular shaped chondrules, many with metal/sulfide inclusions, fine-grained matrix makes up about 50% of this meteorite.

Geochemistry: (C. Agee and N. Muttik, UNM) Type I chondrule olivine Fa1.1±0.5, n=9, ferroan chondrule olivine Fa10.6±9.3, Fe/Mn=63±44, Cr2O3=0.20±0.13, n=31; enstatite Fs2.3±2.3Wo1.7±2.2, n=15; diopside and aluminous diopside detected.

Classification: Carbonaceous chondrite (CV3)

Specimens: 6.11 g including a probe mount on deposit at UNM, DPitt holds the main mass.

Data from:
  MB103
  Table 0
  Line 0:
Date:2014
Mass (g):23.1
Pieces:1
Class:CV3
Fayalite (mol%):1.1±0.5, 10.6±9.3
Ferrosilite (mol%):2.3±2.3
Wollastonite (mol%):1.7±2.2
Classifier:C. Agee, UNM
Type spec mass (g):6.11
Type spec location:UNM
Main mass:D. Pitt
Comments:Field name MAC 0026; submitted by C. Agee, UNM
Institutions
   and collections
UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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Geography:

Western Sahara
Coordinates:Unknown.

Statistics:
     This is 1 of 206 approved meteorites from Western Sahara (plus 20 unapproved names)

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