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Northwest Africa 12285
Basic information Name: Northwest Africa 12285
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12285
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 4.71 kg
Classification
  history:
Recommended:  L3    [explanation]

This is 1 of 641 approved meteorites classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 9 Nov 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 12285 (NWA 12285)

(Northwest Africa)

Purchased: 2018

Classification: Ordinary chondrite (L3)

History: The meteorite was purchased from a local meteorite dealer in Morocco.

Physical characteristics: Dark brownish individual without fusion crust.

Petrography: The meteorite displays a chondritic texture with mostly rounded and well packed chondrules (mean diameter about 0.6 mm) in a more fine-grained dark matrix that contains sulfides and FeNi metal.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2018
Mass (g):4710
Pieces:1
Class:L3
Shock stage:S1
Weathering grade:W3
Fayalite (mol%):14.0±9.6 (0.6-29.5, n=31)
Ferrosilite (mol%):12.3±7.8 (3.3-26.1, n=20)
Wollastonite (mol%):1.1±1.3 (0.1-3.7, n=20)
Magnetic suscept.:4.36
Classifier:A. Greshake, MNB
Type spec mass (g):20
Type spec location:MNB
Main mass:Philippe Schmitt-Kopplin
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional 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 6503 approved meteorites from (Northwest Africa) (plus 2020 unapproved names)

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