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Northwest Africa 11964
Basic information Name: Northwest Africa 11964
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11964
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 1250 g
Classification
  history:
Meteoritical Bulletin:  MB 107  (2018)  Howardite
Recommended:  Howardite    [explanation]

This is 1 of 449 approved meteorites classified as Howardite.   [show all]
Search for other: Achondrites, HED achondrites, and Howardites
Comments: Approved 9 Oct 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11964 (NWA 11964)

(Northwest Africa)

Purchased: 2017

Classification: HED achondrite (Howardite)

History: Purchased by Aziz Habibi in Morocco, 2017.

Physical characteristics: Saw cut reveals a fragmental breccia with dark and light clasts set in a gray groundmass.

Petrography: (C. Agee, UNM) This meteorite consists of approximately 50% diogenite and 50% eucrite clasts.

Geochemistry: (C. Agee, UNM) diogenite low-Ca pyroxene Fs25.3±3.0Wo2.3±0.6, Fe/Mn=30±1, n=10; eucrite low Ca pyroxene Fs42.3±8.4Wo5.8±3.2, Fe/Mn=31±2, n=9; eucrite high Ca pyroxene Fs18.7Wo42.4, Fe/Mn=27, n=1; plagioclase An89.0±6.7, n=7.

Classification: Howardite

Specimens: 20.0 g including a probe mount on deposit at UNM, Kyle Ke holds the main mass

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2017
Mass (g):1250
Pieces:1
Class:Howardite
Shock stage:high
Weathering grade:moderate
Ferrosilite (mol%):25.3±3.0; 42.3±8.4
Wollastonite (mol%):2.3±0.6; 5.8±3.2
Classifier:C. Agee, UNM
Type spec mass (g):20.0
Type spec location:UNM
Main mass:Kai Ke
Comments:Submitted by C. Agee
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. 107, MAPS 55, 460-462
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9368 approved meteorites from (Northwest Africa) (plus 1875 unapproved names)

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