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Northwest Africa 7679
Basic information Name: Northwest Africa 7679
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7679
Observed fall: No
Year found: 2012
Country: Morocco
Mass:help 241 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  L6
Recommended:  L6    [explanation]

This is 1 of 11277 approved meteorites (plus 6 unapproved names) classified as L6.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 1 Feb 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7679 (NWA 7679)

Morocco

Purchased: 2012

Classification: Ordinary chondrite (L6)

History: Purchased by Adam Bates from a meteorite dealer in Morocco, August 2012.

Physical characteristics: Single stone, dark brown weathered exterior, saw-cut reveals faint chondrules set in a reddish brown matrix, fine-grained metal/sulfide.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows chondrules set in a texturally equilibrated matrix of olivine, pyroxene, and plagioclase; accessory troilite and oxidized iron metal.

Geochemistry: (C. Agee and L. Burkemper, UNM) Olivine Fa24.7±0.3, Fe/Mn=51±1, n=6; low-Ca pyroxene Fs21.5±1.1Wo1.5±0.3, Fe/Mn=31±2, n=6.

Classification: Ordinary chondrite (L6) weathering grade W3.

Specimens: 24 g including a probe mount on deposit at UNM, Adam Bates holds the main mass.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2012
Mass (g):241
Pieces:1
Class:L6
Weathering grade:W3
Fayalite (mol%):24.7±0.3
Ferrosilite (mol%):21.5±1.1
Wollastonite (mol%):1.5±0.3
Classifier:C. Agee, UNM
Type spec mass (g):24
Type spec location:UNM
Main mass:Adam Bates
Comments:Submitted by C. Agee
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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1460 approved meteorites from Morocco (plus 21 unapproved names) (plus 1 impact crater)

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