header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 15 May 2019
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Limit to approved meteorite names
Search text:  
Northwest Africa 12586
Basic information Name: Northwest Africa 12586
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12586
Observed fall: No
Year found: 2017
Country: Morocco
Mass:help 427 g
Classification
  history:
Recommended:  LL3    [explanation]

This is 1 of 313 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 7 May 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12586 (NWA 12586)

Morocco

Purchased: 2017 Dec

Classification: Ordinary chondrite (LL3)

Physical characteristics: Crusted stone. Cut surface reveals dark interior

Petrography: (J. Gattacceca, CEREGE) Chondrite with packed well-delinetaed chondrules. Opaques are metal and troilite. Contains a 3 × 3 mm clast made of matrix exclusively.

Geochemistry: Olivine Fa21.9±7.0, PMD 28%, Cr2O3 0.053±0.069 wt% (n=12). Low-Ca pyroxene Fs15.4±8.8Wo1.3±1.0 (n=9).

Classification: Ordinary chondrite (LL3). LL group based on magnetic susceptibility.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Munich
Date:P 2017 Dec
Mass (g):426.6
Pieces:2
Class:LL3
Weathering grade:W1
Fayalite (mol%):21.9±7.0 (n=12)
Ferrosilite (mol%):15.4±8.8 (n=9)
Wollastonite (mol%):1.3±1.0
Magnetic suscept.:4.31
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):23.4
Type spec location:CEREGE
Main mass:Lucian Cojocaru
Comments:work name LC14; 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)
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 1366 approved meteorites from Morocco (plus 15 unapproved names) (plus 1 impact crater)

Direct link to this page