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Northwest Africa 14102
Basic information Name: Northwest Africa 14102
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14102
Observed fall: No
Year found: 2020
Country: Morocco
Mass:help 40.3 g
Classification
  history:
Meteoritical Bulletin:  MB 110  (2022)  Eucrite-br
Recommended:  Eucrite-br    [explanation]

This is 1 of 226 approved meteorites classified as Eucrite-br.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 18 Jul 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14102 (NWA 14102)

Morocco

Purchased: 2020

Classification: HED achondrite (Eucrite, brecciated)

Physical characteristics: Dark stone. Cut face reveals a dark interior with light clasts up to cm size.

Petrography: (J. Gattacceca, CEREGE) Brecciated igneous rock with mineral and subophitic lithic clasts set in a comminuted matrix. Main minerals are pyroxene (some exsolved) and plagioclase with typical grainsize 300 µm. Other minerals: olivine, chromite, ilmenite, silica polymorph, troilite, rare metal. A mm-sized CM-like clast is present in the studied polished section.

Geochemistry: Olivine Fa81.2±1.7, FeO/MnO 44.4±3.5 (n=3). Low-Ca pyroxene Fs60.7±5.2Wo4.3±1.4 (n=10). Ca-pyroxene Fs48.3Wo22.2 (n=2), Fs31.1±2.4Wo42.5±0.6 (n=4). Plagioclase An89.0±1.2Ab10.4±1.1Or0.6±0.1 (n=4).

Classification: Achondrite (eucrite).

Specimens: Type specimen at CEREGE. Main mass with Daniel da Costa.

Data from:
  MB110
  Table 0
  Line 0:
Date:P 2020
Mass (g):40.3
Pieces:1
Class:Eucrite-br
Fayalite (mol%):81.2±1.7 (n=3)
Magnetic suscept.:2.96
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):9.3
Type spec location:CEREGE
Main mass:Daniel da Costa
Finder:anonymous
Comments:work name DC03; submitted by Jérôme Gattacceca
Institutions
   and collections
CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 10 Jun 2023)
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:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 2049 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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