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Northwest Africa 13834
Basic information Name: Northwest Africa 13834
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13834
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 127 g
Classification
  history:
Meteoritical Bulletin:  MB 110  (2022)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 545 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 25 Apr 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13834 (NWA 13834)

(Northwest Africa)

Purchased: 2019 Sep

Classification: HED achondrite (Diogenite)

Physical characteristics: Single stone, lacking fusion crust

Petrography: (J. Gattacceca, CEREGE) Igneous rock with ophitic texture. Grains size 600 µm. Main minerals are pyroxene and maskelynite. Other minerals: chromite, troilite, metal, ilmenite.

Geochemistry: Low-Ca pyroxene Fs27.8±0.3Wo2.8±0.1, FeO/MnO = 29.0±1.9 (n=6). Maskelynite An96.0±0.2Ab4.0±0.2Or0.1±0.1 (n=7). Chromite Cr# = 0.74 (n=1).

Classification: Achondrite (diogenite).

Specimens: Type specimen at CEREGE. Main mass with Kuntz.

Data from:
  MB110
  Table 0
  Line 0:
Date:P 2019 Sep
Mass (g):127
Pieces:1
Class:Diogenite
Fayalite (mol%):27.8±0.3 (n=6)
Ferrosilite (mol%):2.8±0.1
Magnetic suscept.:3.20
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):20.22
Type spec location:CEREGE
Main mass:Kuntz
Finder:anonymous
Comments:work name K445; 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)
Kuntz: Fabien Kuntz, France; Website (private address)
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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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Ryan Upchurch   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9921 approved meteorites from (Northwest Africa) (plus 1838 unapproved names)

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