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Northwest Africa 10285
Basic information Name: Northwest Africa 10285
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10285
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass:help 54.3 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  L4
Recommended:  L4    [explanation]

This is 1 of 1613 approved meteorites (plus 4 unapproved names) classified as L4.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 4 Sep 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10285 (NWA 10285)

(Northwest Africa)

Purchased: 2005

Classification: Ordinary chondrite (L4)

History: Purchased by an anonymous collector from a dealer at the Munich Show in 2005 and subsequently donated to the Planetary Studies Foundation.

Petrography: (A. Irving and S. Kuehner, UWS) Well-formed chondrules (apparent diameter up to 2.1 mm) are set in a relatively coarse grained matrix.

Geochemistry: Olivine (Fa24.7-24.9, N = 3), orthopyroxene (Fs21.2-21.5Wo1.6-1.5, N = 3), augite (Fs7.4-8.0Wo46.8-45.4, N = 2).

Classification: Ordinary chondrite (L4).

Specimens: The entire specimen plus one polished thin section made from it are reposited at PSF.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Munich
Date:P 2005
Mass (g):54.3
Pieces:1
Class:L4
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):24.7-24.9
Ferrosilite (mol%):21.2-21.5
Wollastonite (mol%):1.6-1.5
Magnetic suscept.:4.3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):54.3
Type spec location:PSF
Main mass:PSF
Comments:CHC 15016; submitted by A. Irving
Institutions
   and collections
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
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 6900 approved meteorites from (Northwest Africa) (plus 2035 unapproved names)

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