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Northwest Africa 11812
Basic information Name: Northwest Africa 11812
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11812
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 144.6 g
Classification
  history:
Recommended:  LL3    [explanation]

This is 1 of 287 approved meteorites classified as LL3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 11 May 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11812 (NWA 11812)

(Northwest Africa)

Purchased: 2017

Classification: Ordinary chondrite (LL3)

Physical characteristics: Greyish stone. Cut surface reveals a dark-gray interior with closely packed well-defined chondrules.

Petrography: (J. Gattacceca, H. Pourkhorsandi, CEREGE) Packed mm-sized chondrules.

Geochemistry: Olivine Fa23.5±6.7, range 11.9-30.6, PMD 23% (N=5). Orthopyroxene Fs17.5±5.3Wo1.1±1.0, Fs PMD 25% (N=5).

Classification: LL3. LL than L classification from magnetic susceptibility.

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

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Ensisheim
Date:P 2017
Mass (g):144.6
Pieces:1
Class:LL3
Weathering grade:W3
Fayalite (mol%):23.5±6.7 (N=5)
Ferrosilite (mol%):17.5±5.3 (N=5)
Wollastonite (mol%):1.1±1.0
Magnetic suscept.:3.94
Classifier:J. Gattacceca, H. Pourkhorsandi, CEREGE
Type spec mass (g):20.53
Type spec location:CEREGE
Main mass:Kuntz
Comments:work name K360; submitted by J. Gattacceca
Institutions
   and collections
CEREGE: CEREGE BP 80 Avenue Philibert, Europole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 5 Apr 2018)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, in preparation (2018)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6275 approved meteorites from (Northwest Africa) (plus 2026 unapproved names)

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