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Northwest Africa 13138
Basic information Name: Northwest Africa 13138
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13138
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 16.7 g
Classification
  history:
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 208 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 17 Feb 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13138 (NWA 13138)

(Northwest Africa)

Purchased: 2019

Classification: Lunar meteorite (feldspathic breccia)

Physical characteristics: Grey irregular fragments. Cut face show a dark-gray interior with mm-sized white angular clasts.

Petrography: (J. Gattacceca, CEREGE) Sparse mineral clasts (anorthite, olivine, pyroxene, to 300 μm) in a feldspathic melt rock matrix. Melt rock has numerous vesicles with typical sizes 30 µm. Chromite, troilite and rare metal are present.

Geochemistry: Anorthite An97.1Ab3.0Or0.0 (n=2). Augite Fs21.1±14.8Wo36.5±8,7, FeO/MnO=53 (n=3). Olivine Fa26.9±4.2, FeO/MnO=110 (n=2).

Classification: Lunar (feldspathic melt breccia).

Specimens: Type specimen at CEREGE. Main mass with Jérémy Bassemon.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2019
Mass (g):16.70
Pieces:1
Class:Lunar (feldsp. breccia)
Weathering grade:minor
Magnetic suscept.:2.94
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):3.5
Type spec location:CEREGE
Main mass:Jérémy Bassemon
Comments:work name CM31; 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 29 Oct 2018)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7472 approved meteorites from (Northwest Africa) (plus 1988 unapproved names)

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