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Northwest Africa 8392
Basic information Name: Northwest Africa 8392
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8392
Observed fall: No
Year found: 2014
Country: Western Sahara
Mass:help 29.9 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  H5
Recommended:  H5    [explanation]

This is 1 of 11568 approved meteorites (plus 23 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 14 May 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8392 (NWA 8392)

Western Sahara

Found: 2014

Classification: Ordinary chondrite (H5)

History: Found by a meteorite hunter on a January/February, 2014, expedition in an area just northwest of the Free Zone in Western Sahara, and subsequently purchased by Darryl Pitt.

Physical characteristics: Single stone with black, weathered, fusion-crusted exterior. Saw cut reveals abundant metal/sulfide grains set in a light gray matrix.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows small, equilibrated chondrules. Kamacite, troilite, chromite and apatite.

Geochemistry: (C. Agee and N. Muttik, UNM) Olivine Fa18.1±0.9, Fe/Mn=37±1, n=8; low-Ca pyroxene Fs16.3±0.6Wo1.6±0.7, Fe/Mn=22±1, n=6.

Classification: Ordinary chondrite (H5), weathering grade W1.

Specimens: 7.7 g including a probe mount on deposit at UNM, Darryl Pitt holds the main mass.

Data from:
  MB103
  Table 0
  Line 0:
Date:2014
Mass (g):29.9
Pieces:1
Class:H5
Fayalite (mol%):18.1±0.9
Ferrosilite (mol%):16.3±0.6
Wollastonite (mol%):1.6±0.7
Classifier:C. Agee, UNM
Type spec mass (g):7.7
Type spec location:UNM
Main mass:Darryl Pitt
Comments:Field name MAC 0028; 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)
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 280 approved meteorites from Western Sahara (plus 20 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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