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Northwest Africa 10302
Basic information Name: Northwest Africa 10302
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10302
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 134.5 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Eucrite-mmict
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 272 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 22 Oct 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10302 (NWA 10302)

(Northwest Africa)

Purchased: 2013 Apr

Classification: HED achondrite (Eucrite, monomict)

History: Purchased by Darryl Pitt in April 2013 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Monomict breccia composed of basaltic eucrite clasts in a matrix of related debris. Minerals are calcic plagioclase, exsolved pigeonite, silica polymorph, ilmenite and troilite.

Geochemistry: Orthopyroxene host (Fs60.4-62.4Wo3.7-2.6, FeO/MnO = 30-31, N = 3), clinopyroxene exsolution lamellae (Fs26.4-26.5Wo44.2-44.0, FeO/MnO = 30, N = 2).

Classification: Eucrite (monomict breccia).

Specimens: 20.1 g including one polished thin section at UWB; main mass with DPitt.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2013 Apr
Mass (g):134.5
Pieces:1
Class:Eucrite-mmict
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):60.4-62.4; 26.4-26.5
Wollastonite (mol%):3.7-2.6; 44.2-44.0
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.1
Type spec location:UWB
Main mass:DPitt
Comments:DP 732; 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)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; 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 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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