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Northwest Africa 10464
Basic information Name: Northwest Africa 10464
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10464
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 1094 g
Meteoritical Bulletin:  MB 105  (2016)  Eucrite-mmict
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 258 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 24 Jan 2016
Writeup from MB 105:

Northwest Africa 10464 (NWA 10464)

(Northwest Africa)

Purchased: 2015 May 5

Classification: HED achondrite (Eucrite, monomict)

History: Purchased from Aziz Habibi in Erfoud in May 2015

Physical characteristics: One piece with partial fusion crust. A sawn surface shows prominent lithic clasts with variable textures, some more than 1 cm, set in a very fine-grained groundmass.

Petrography: (C. Agee, UNM) Pyroxene (~50%) and plagioclase (~45%) are the major minerals in this meteorite. Some domains consist of fragmental to cataclastic mineral grains, while others show an intergranular texture. Accessory silica, ilmenite, and chromite were observed.

Geochemistry: (C. Agee and N. Muttik, UNM) Low-Ca pyroxene Fs55.9±1.8Wo6.4±0.9, Fe/Mn=32±1, n=9; high-Ca pyroxene Fs31.6±7.2Wo35.6±7.2, Fe/Mn=32±1, n=5; plagioclase An84.4±8.9, n=2.

Classification: Monomict eucrite

Specimens: 20.6 g including a probe mount on deposit at UNM, DPitt holds the main mass.

Data from:
  Table 0
  Line 0:
Date:P 2015 May 5
Mass (g):1094
Shock stage:high
Weathering grade:low
Ferrosilite (mol%):55.9±1.8, 31.6±7.2
Wollastonite (mol%):6.4±0.9, 35.6±7.2
Classifier:C. Agee, UNM
Type spec mass (g):20.6
Type spec location:UNM
Main mass:DPitt
Comments:Field name MAC 147; submitted by C. Agee, UNM
   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)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address)
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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     This is 1 of 8394 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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