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Northwest Africa 11945
Basic information Name: Northwest Africa 11945
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11945
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 1176 g
Classification
  history:
Meteoritical Bulletin:  MB 107  (2018)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 443 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 15 Sep 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11945 (NWA 11945)

(Northwest Africa)

Purchased: 2018

Classification: HED achondrite (Diogenite)

History: The meteorite was bought from a Moroccan meteorite dealer at a mineral fair in Sainte Marie aux Mines, France.

Physical characteristics: Light brownish individual lacking any fusion crust.

Petrography: The meteorite displays a light orange interior and is a monomict breccia predominantly composed of blocky up to 1.5 mm sized orthoproxenes grains and more fine-grained cataclastic regions. Minor phases include silica, chromite, and FeS. Neither plagioclase, olivine nor metallic iron have been found in the section studied.

Geochemistry: low-Ca pyroxene: Fs25.5±0.4Wo2.7±0.7 (Fs25.0-26.3Wo1.8-4.0, n=15, FeO/MnO=25-31)

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Sainte Marie aux Mines, France
Date:P 2018
Mass (g):1176
Pieces:1
Class:Diogenite
Shock stage:low
Weathering grade:moderate
Ferrosilite (mol%):25.5
Wollastonite (mol%):2.7
Classifier:A. Greshake, MNB
Type spec mass (g):24
Type spec location:MNB
Main mass:Hanno Strufe
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7368 approved meteorites from (Northwest Africa) (plus 1957 unapproved names)

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