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Northwest Africa 8702
Basic information Name: Northwest Africa 8702
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8702
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 28 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Mesosiderite
Recommended:  Mesosiderite    [explanation]

This is 1 of 213 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 13 Jan 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 8702 (NWA 8702)

(Northwest Africa)

Purchased: 2012

Classification: Mesosiderite

History: Purchased by Stefan Ralew in 2012 from a dealer in Zagora, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Recrystallized breccia composed of larger angular grains of orthopyroxene (up to 2.8 mm), anorthite (up to 1.1 mm) and holly leaf-shaped grains of metal (kamacite plus taenite; ~18 vol.%) in a matrix of interlocking grains of the same minerals plus minor chromite and troilite.

Geochemistry: Orthopyroxene (Fs27.2-27.6Wo1.8-3.3, FeO/MnO = 29-30, N = 3).

Classification: Mesosiderite.

Specimens: 5.6 g including one polished thin section at UWB; main mass with Ralew.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Zagora
Date:P 2012
Mass (g):28
Pieces:1
Class:Mesosiderite
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):27.2-27.6
Wollastonite (mol%):1.8-3.3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):5.6
Type spec location:UWB
Main mass:S. Ralew
Comments:RA14-2; submitted by A. Irving
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Ralew: Stefan Ralew, Kunibertstra├če 29, 12524 Berlin, Germany; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7810 approved meteorites from (Northwest Africa) (plus 1971 unapproved names)

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