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Northwest Africa 8394
Basic information Name: Northwest Africa 8394
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8394
Observed fall: No
Year found: 2014
Country: Western Sahara
Mass:help 19 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  H5
Recommended:  H5    [explanation]

This is 1 of 10209 approved meteorites (plus 18 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 8394 (NWA 8394)

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 fine-grained metal/sulfide set in a brown matrix.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows equilibrated chondrules, fine grained plagioclase, and abundant oxide veinlets. Kamacite, troilite, chromite, apatite and oxidized iron.

Geochemistry: (C. Agee and N. Muttik, UNM) Olivine Fa19.0±0.7, Fe/Mn=40±1, n=7; low-Ca pyroxene Fs17.1±0.8Wo1.6±0.2, Fe/Mn=23±1, n=7.

Classification: Ordinary chondrite (H5), weathering grade W2.

Specimens: 5.15 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):19
Pieces:1
Class:H5
Fayalite (mol%):19.0±0.7
Ferrosilite (mol%):17.1±0.8
Wollastonite (mol%):1.6±0.2
Classifier:C. Agee, UNM
Type spec mass (g):5.15
Type spec location:UNM
Main mass:Darryl Pitt
Comments:Field name MAC 0034; 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 227 approved meteorites from Western Sahara (plus 19 unapproved names)

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