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Northwest Africa 12581
Basic information Name: Northwest Africa 12581
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12581
Observed fall: No
Year found: 2018
Country: Morocco
Mass:help 191.2 g
Classification
  history:
Recommended:  LL3.10    [explanation]

This is 1 of 6 approved meteorites classified as LL3.10.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 7 May 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12581 (NWA 12581)

Morocco

Purchased: 2018 March

Classification: Ordinary chondrite (LL3.10)

Physical characteristics: Brownish stone. Cut surface reveals brown interior.

Petrography: (J. Gattacceca, CEREGE) Chondrite with packed well defined chondrules (average apparent diameter 880±630 μm, n=33) with devitrified mesostatis.

Geochemistry: Olivine Fa12.1±8.0 (n=19), PMD 57% (n=15), Cr2O3 in ferroan olivine 0.28±0.18 wt% (n=15). Low-Ca pyroxene Fs14.5±13.6Wo1.0±0.8 (n=6).

Classification: Ordinary chondrite (LL3.10). LL group based on magnetic susceptibility. Sub-type from the Cr2O3 content of ferran olivine.

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

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Zagora (Morocco)
Date:P 2018 March
Mass (g):191.2
Pieces:1
Class:LL3.10
Weathering grade:W3
Fayalite (mol%):12.1±8.0 (n=19)
Ferrosilite (mol%):14.5±13.6 (n=6)
Wollastonite (mol%):1.0±0.8
Magnetic suscept.:3.60
Classifier:J. Gattacceca, L. Kramer Ruggiu, CEREGE
Type spec mass (g):23.26
Type spec location:CEREGE
Main mass:Kuntz
Comments:work name K383; 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 29 Oct 2018)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1394 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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