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Northwest Africa 10242
Basic information Name: Northwest Africa 10242
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10242
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 41.5 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 465 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 24 Aug 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10242 (NWA 10242)

(Northwest Africa)

Purchased: 2015 Jan

Classification: HED achondrite (Diogenite)

History: The two stones were bought in January 2015 by Jean Redelsperger in Agadir

Physical characteristics: Two irregular dark-gray fragments without fusion crust. Cut surface reveals a dark interior with lighter clasts.

Petrography: Coarse brecciated igneous rock with grain size to 2 mm. Main mineral is pyroxene with fine scale augite exsolution. The rock also contains plagioclase, chromite, ilmenite, a silica polymorph, troilite, metal (to 300 μm).

Geochemistry: Orthopyroxene Fs27.9Wo2.7 (N=1). Augite Fs35.0±0.8Wo34.2±2.9 (N=4). FeO/MnO=32.1±2.6 (N=5). Plagioclase An92.5Ab7.2Or0.3 (N=2)

Classification: Diogenite

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Agadir, Morocco
Date:P 2015 Jan
Mass (g):41.5
Pieces:2
Class:Diogenite
Weathering grade:moderate
Ferrosilite (mol%):27.9 ; 35.0
Wollastonite (mol%):2.7 ; 34.2
Magnetic suscept.:3.53
Classifier:J. Gattacceca, H. Pourkhorsandi, CEREGE
Type spec mass (g):10.1
Type spec location:CEREGE
Main mass:Jean Redelsperger
Comments:Submitted by J. 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. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Allmeteorite.com      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7859 approved meteorites from (Northwest Africa) (plus 1961 unapproved names)

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