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Northwest Africa 14078
Basic information Name: Northwest Africa 14078
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14078
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 25.1 g
Classification
  history:
Recommended:  Acapulcoite    [explanation]

This is 1 of 91 approved meteorites classified as Acapulcoite.   [show all]
Search for other: Acapulcoite-lodranite family, Acapulcoites, and Primitive achondrites
Comments: Approved 31 Aug 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14078 (NWA 14078)

(Northwest Africa)

Purchased: 2020 Sep

Classification: Primitive achondrite (Acapulcoite)

History: Acquired by Ben Hoefnagels from a Moroccan source in September 2020.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Protogranular aggregate (mean grainsize ~350 ┬Ám) of olivine, orthopyroxene, diopside and altered kamacite with accessory low-Ti chromite and troilite.

Geochemistry: Olivine (Fa14.0-14.4, FeO/MnO = 20-29, N = 3), orthopyroxene) Fs14.4-13.6Wo2.0-2.7, FeO/MnO = 18-20, N = 3), diopside (Fs5.9-6.1Wo44.2-44.7, FeO/MnO = 12-15, N = 3).

Classification: Acapulcoite.

Specimens: 7.2 g including one polished thin section at UWB; remainder with Mr. B. Hoefnagels.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2020 Sep
Mass (g):25.1
Pieces:1
Class:Acapulcoite
Shock stage:low
Weathering grade:low
Fayalite (mol%):14.0-14.4
Ferrosilite (mol%):14.4-14.6; 5.9-6.1
Wollastonite (mol%):2.0-2.7; 44.2-44.7
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):7.2
Type spec location:UWB
Main mass:B. Hoefnagels
Comments:Work name BH228; 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 Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9305 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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