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Northwest Africa 13352
Basic information Name: Northwest Africa 13352
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13352
Observed fall: No
Year found: 2018
Country: Algeria
Mass:help 1297 g
Classification
  history:
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 238 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 7 Jul 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13352 (NWA 13352)

Algeria

Purchased: 2018 Dec

Classification: HED achondrite (Eucrite, monomict)

History: Purchased by Mbark Arjdal in December 2018 from an Algerian dealer.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Monomict breccia composed of gabbroic eucrite clasts plus related crystalline debris. Minerals are exsolved pigeonite and calcic plagioclase together with accessory silica polymorph, ilmenite, Ti-Al chromite, troilite and stained Ni-free metal. Some thin, dark shock veinlets and minor secondary calcite are also present.

Geochemistry: Low-Ca pyroxene (Fs58.9-60.1Wo2.4-3.0, FeO/MnO = 29-30, N = 5), augite (Fs25.2-26.4Wo43.0-43.6, FeO/MnO = 29-31, N = 5), plagioclase (An89.1-90.1Or0.3-0.2, N = 3).

Classification: Eucrite (monomict breccia).

Specimens: 42.2 g including one polished thin section at UWB; remainder with Mr. M. Arjdal.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Algeria
Date:P 2018 Dec
Mass (g):1297
Pieces:many
Class:Eucrite-mmict
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):58.9-60.1; 25.2-26.4
Wollastonite (mol%):2.4-3.0; 43.0-43.6
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):42.2
Type spec location:UWB
Main mass:M. Arjdal
Comments:Work name Arj ZM 241; 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)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
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Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 1017 approved meteorites from Algeria (plus 26 unapproved names) (plus 4 impact craters)

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