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Northwest Africa 7924
Basic information Name: Northwest Africa 7924
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7924
Observed fall: No
Year found: 2012
Country: Morocco
Mass:help 511 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  H6
Recommended:  H6    [explanation]

This is 1 of 6826 approved meteorites (plus 6 unapproved names) classified as H6.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 28 Jun 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7924 (NWA 7924)

Morocco

Purchased: 2012

Classification: Ordinary chondrite (H6)

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

Physical characteristics: Single stone, black weathered fusion crust, brown exterior, saw cut reveals many small chondrules and abundant fine metal grains, but some metal up to 2 mm, set in a gray groundmass.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows numerous distinct POP chondrules, ~25% of metal is oxidized, some weathering veins.

Geochemistry: (C. Agee and L. Burkemper, UNM) Olivine Fa19.2±0.3, Fe/Mn=39±1, n=11; low-Ca pyroxene Fs16.8±0.3Wo1.5±1.3, Fe/Mn=24±1, n=11.

Classification: Ordinary chondrite (H6), weathering grade W2.

Specimens: 28.3 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):510.81
Pieces:1
Class:H6
Weathering grade:W2
Fayalite (mol%):19.2±0.3
Ferrosilite (mol%):16.8±0.3
Wollastonite (mol%):1.5±1.3
Classifier:C. Agee, UNM
Type spec mass (g):28.3
Type spec location:UNM
Main mass:Sean Tutorow
Comments:Field name G-296; 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 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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