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Northwest Africa 14152
Basic information Name: Northwest Africa 14152
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14152
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 58 g
Classification
  history:
Meteoritical Bulletin:  MB 110  (2022)  Eucrite-mmict
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 280 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 1 Aug 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14152 (NWA 14152)

(Northwest Africa)

Purchased: July, 2021

Classification: HED achondrite (Eucrite, monomict)

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

Physical characteristics: Light-grayish fragments partly covered with fusion crust.

Petrography: The meteorite is a monomict brecciated basalt composed of more fine-grained (grain size about 100 µm) and more coarse-grained (grain size about 600 µm) lithologies. Dominant mineral phases are exsolved pyroxene and calcic plagioclase. Minor phases include silica, Ti-bearing chromite, ilmenite, and metallic iron. The meteorite contains some ferroan olivine.

Geochemistry: low-Ca pyroxene host crystals to augite exsolutions: Fs68.9±0.1Wo1.8±0.1 (Fs68.8-69.2Wo1.7-2.1, FeO/MnO=27-30, n=7); augite exsolutions: Fs31.1±0.2Wo44.0±0.2 (Fs30.9-31.4Wo43.7-44.3, FeO/MnO=28-32, n=7); olivine: Fa84.6±0.3 (Fa84.0-84.9, FeO/MnO=38±1, n=7); calcic plagioclase: An90.0±0.5 (An89.2-90.8, n=7)

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P July, 2021
Mass (g):58
Pieces:1
Class:Eucrite-mmict
Shock stage:moderate
Weathering grade:low
Fayalite (mol%):84.6
Ferrosilite (mol%):68.9±0.1 (n=7)
Wollastonite (mol%):1.8±0.1
Classifier:A. Greshake, MNB
Type spec mass (g):12.1
Type spec location:MNB
Main mass:Philippe Schmitt-Kopplin
Comments:Submitted by Ansgar Greshake
Institutions
   and collections		 MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
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
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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