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Northwest Africa 8297
Basic information Name: Northwest Africa 8297
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8297
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 1650 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  H6
Recommended:  H6    [explanation]

This is 1 of 6775 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 Feb 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8297 (NWA 8297)

(Northwest Africa)

Purchased: 2013

Classification: Ordinary chondrite (H6)

History: Purchased by Brahim Tahiri from a Moroccan hunter and sent to his partner Sean Tutorow for classification, 2013.

Physical characteristics: Five identical stones, weathered dark exterior, saw cut reveals abundant fine-grained metal set in a dark brown groundmass.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows a numerous distinct, equilibrated chondrules, plagioclase up to 150 μm. Oxidized iron and veinlets throughout.

Geochemistry: (C. Agee and H. Miley, UNM) EMPA. Olivine Fa19.4±0.3, Fe/Mn=39±2, n=25, low Ca-pyroxene Fs17.1±0.4Wo1.3±0.3, Fe/Mn=24±1, n=11; plagioclase Ab82.5±0.2An11.8±0.2Or5.7±0.2, n=2.

Classification: Ordinary chondrite (H6), weathering grade (W3).

Specimens: 36.23 g including a probe mount on deposit at UNM, Sean Tutorow holds the main mass.

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2013
Mass (g):1650
Pieces:5
Class:H6
Weathering grade:W3
Fayalite (mol%):19.4±0.3
Ferrosilite (mol%):17.1±0.4
Wollastonite (mol%):1.3±0.3
Classifier:C. Agee, UNM
Type spec mass (g):36.23
Type spec location:UNM
Main mass:Sean Tutorow
Comments:Field name G510; 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
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names)
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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