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Northwest Africa 13141
Basic information Name: Northwest Africa 13141
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13141
Observed fall: No
Year found: 2018
Country: Morocco
Mass:help 391 g
Classification
  history:
Recommended:  Mesosiderite    [explanation]

This is 1 of 194 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 17 Feb 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13141 (NWA 13141)

Morocco

Find: 2018

Classification: Mesosiderite

Petrography: (J. Gattacceca, CEREGE) The meteorite is composed approximately of 50% Fe,Ni large metal grains and 50% of pyroxene (mostly Ca-pyroxene) and plagioclase. Other minerals: chromite, silica polymorph, troilite.

Geochemistry: Pyroxenes: low-Ca pyroxene Fs32.5Wo3.8 (n=1), Ca-pyroxene Fs16.3Wo38.7 (n=2), FeO/MnO=22.9 (n=3). Plagioclase An93.2Ab6.7Or0.1 (n=3). Chromite Cr#=0.80.

Specimens: Type specimen at CEREGE. Main mass with George Penneff

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:internet
Date:2018
Mass (g):391
Pieces:9
Class:Mesosiderite
Weathering grade:minor
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):23
Type spec location:CEREGE
Main mass:George Penneff
Comments:work name GP05; 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:
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1459 approved meteorites from Morocco (plus 21 unapproved names) (plus 1 impact crater)

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