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Northwest Africa 14125
Basic information Name: Northwest Africa 14125
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14125
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 1200 g
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 272 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 24 Jul 2021
Writeup from MB 110:

Northwest Africa 14125 (NWA 14125)

(Northwest Africa)

Purchased: 2021 Jun

Classification: HED achondrite (Eucrite, monomict)

History: The meteorite was purchased from a dealer in Mauritania.

Physical characteristics: Many dark grayish fragments some of which partly to almost completely covered with fusion crust.

Petrography: The meteorite is a monomict basaltic breccia composed of coarse- and more fine-grained regions. Grain sizes are about 400 µm in the coarse-grained and about 70 µm in the fine-grained areas. Main minerals in both regions are exsolved pyroxene and often lath-shaped calcic plagioclase. Minor phases include silica, chromite, FeS, and ilmenite. No metallic iron has been detected. The meteorite contains some shock melt veins.

Geochemistry: low-Ca pyroxene: Fs65.4±0.3Wo2.1±0.4 (Fs65.1-65.8Wo1.8-2.9, FeO/MnO=28-29, n=5); Ca-pyroxene: Fs28.8±1.4Wo43.9±1.5 (Fs27.3-31.2Wo41.4-45.5, FeO/MnO=26-29, n=5); calcic plagioclase: An83.0±1.0 (An81.7-84.1, n=5)

Data from:
  Table 0
  Line 0:
Place of purchase:Mauritania
Date:P 2021 Jun
Mass (g):1200
Shock stage:moderate
Weathering grade:moderate
Ferrosilite (mol%):65.4; 28.8
Wollastonite (mol%):2.1; 43.9
Classifier:A. Greshake, MNB
Type spec mass (g):30.6
Type spec location:MNB
Main mass:Hanno Strufe and Andreas Grünemeyer
Comments:Submitted by Ansgar Greshake
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
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
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     This is 1 of 9116 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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