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Northwest Africa 7927
Basic information Name: Northwest Africa 7927
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7927
Observed fall: No
Year found: 2012
Country: Morocco
Mass:help 658 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  LL6
Recommended:  LL6    [explanation]

This is 1 of 2930 approved meteorites (plus 2 unapproved names) classified as LL6.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 28 Jun 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7927 (NWA 7927)

Morocco

Purchased: 2012

Classification: Ordinary chondrite (LL6)

History: Purchased by Brahim Tahiri from a Moroccan hunter and sent to his partner Sean Tutorow for classification, 2012.

Physical characteristics: Single stone, fusion crusted, saw cut reveals breccia with cm-sized clasts set in an orange-brown groundmass, scattered fine-grained metal/sulfide.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows numerous texturally equilibrated chondritric clasts set in a fine-grained, to cataclastic, matrix, some metal is oxidized, oxidized weathering veins present, indistinct or relict chondrules, plagioclase up to 100 μm.

Geochemistry: (C. Agee and L. Burkemper, UNM) Olivine Fa29.8±0.6, Fe/Mn=58±2, n=7; low-Ca pyroxene Fs24.4±0.2Wo2.0±0.1, Fe/Mn=35±1, n=7.

Classification: Ordinary chondrite (LL6), weathering grade W2.

Specimens: 47.2 g including a probe mount on deposit at UNM, Sean Tutorow holds the main mass.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2012
Mass (g):658.18
Pieces:1
Class:LL6
Weathering grade:W2
Fayalite (mol%):29.8±0.6
Ferrosilite (mol%):24.4±0.2
Wollastonite (mol%):2.0±0.1
Classifier:C. Agee, UNM
Type spec mass (g):47.2
Type spec location:UNM
Main mass:Sean Tutorow
Comments:Field name G-361; 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
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Ryan Upchurch   
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 2082 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater)
Also see:
  This lists the most popular meteorites among people who looked up this meteorite.
Revision
  history:
  This lists important revisions made to data for this record.

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