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Northwest Africa 14076
Basic information Name: Northwest Africa 14076
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14076
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 225 g
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 263 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 6 Jul 2021
Writeup from MB 110:

Northwest Africa 14076 (NWA 14076)

(Northwest Africa)

Purchased: 2021 Jan

Classification: HED achondrite (Eucrite, monomict)

History: Purchased by Jason Whitcomb in January 2021 from an Algerian dealer.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Relatively fine-grained breccia containing sparse subophitic eucrite clasts, but dominated by related crystalline debris, set in a fine grained matrix. Accessory phases are silica polymorph, chromite, troilite and ilmenite.

Geochemistry: Low-Ca pyroxene host (Fs58.0-59.4Wo1.5-3.0, FeO/MnO = 31-33, N = 11), augite exsolution lamellae (Fs24.4-30.0Wo44.1-37.4, FeO/MnO = 28-31, N = 6), plagioclase (An74.2-90.1Or0.2-0.9, N = 3).

Classification: Eucrite (monomict breccia).

Specimens: 21.5 g including one polished thin section at PSF; remainder with Mr. J. Whitcomb.

Data from:
  Table 0
  Line 0:
Place of purchase:Algeria
Date:P 2021 Jan
Mass (g):225
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):58.0-59.4; 24.4-30.0
Wollastonite (mol%):1.5-3.0; 44.1-37.4
Classifier:A. Irving, UWS, and J. Boesenberg, Brown U.
Type spec mass (g):21.5
Type spec location:PSF
Main mass:J. Whitcomb
Comments:Work name JW-11; submitted by A. Irving
   and collections
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
BrownU: Brown University Providence, RI 02912, United States (institutional address; updated 7 Sep 2019)
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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     This is 1 of 8559 approved meteorites from (Northwest Africa) (plus 1896 unapproved names)

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