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Northwest Africa 14093
Basic information Name: Northwest Africa 14093
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14093
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 12 kg
Classification
  history:
Meteoritical Bulletin:  MB 110  (2022)  Mesosiderite
Recommended:  Mesosiderite    [explanation]

This is 1 of 273 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 8 Aug 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14093 (NWA 14093)

(Northwest Africa)

Purchased: 2016

Classification: Mesosiderite

History: Bought in 2016 by Pierre Bridenne in Erfoud, and sold to Laurent Lodé the same year.

Physical characteristics: Many rusted stones ranging from a few mg to 4 g.

Petrography: (J. Gattacceca, CEREGE) This rock is composed of a silicate fraction (56 vol%) made of low-Ca pyroxene and plagioclase with typical grain size 600 µm, and contorted multi-mm metal grains (16 vol%) and their weathering products (27 vol%). Kamacite is dominant over taenite. Troilite and silica polymorph are present.

Geochemistry: Low-Ca pyroxene Fs31.6±2.3Wo6.5±1.3, FeO/MnO = 21.4±1.9 (n=6). Plagioclase An92.3±0.6Ab7.6±0.7Or0.1±0.1 (n=3).

Classification: Mesosiderite

Specimens: 22 g type specimen at CEREGE. Main mass with Laurent Lodé.

Data from:
  MB110
  Table 0
  Line 0:
Date:P 2016
Mass (g):12000
Pieces:many
Class:Mesosiderite
Weathering grade:high
Ferrosilite (mol%):31.6±2.3 (n=6)
Wollastonite (mol%):6.5±1.3
Magnetic suscept.:5.49
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):25
Type spec location:CEREGE
Main mass:Laurent Lode
Finder:anonymous
Comments:work name CM74; 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: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)
Also see:
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Revision
  history:
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