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Northwest Africa 11389
Basic information Name: Northwest Africa 11389
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11389
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 15 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  CM2
Recommended:  CM2    [explanation]

This is 1 of 540 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Comments: Approved 3 Aug 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11389 (NWA 11389)

(Northwest Africa)

Purchased: 2017

Classification: Carbonaceous chondrite (CM2)

History: The meteorite was bought in 2017 from a meteorite dealer in Morocco.

Physical characteristics: Small black individual without fusion crust.

Petrography: The meteorite displays a black interior and is composed of small (about 0.1-0.4 mm in diameter) chondrules, chondrule pseudomorphs, mineral fragments and rare CAIs most of which are surrounded by fine-grained dust rims set into an abundant fine-grained matrix. Matrix constituents include phyllosilicates, carbonates, and pyrrhotite.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2017
Mass (g):15
Pieces:1
Class:CM2
Shock stage:S1
Weathering grade:low
Fayalite (mol%):14.3±17.5 (0.3-46.3, n=18)
Ferrosilite (mol%):1.1±0.4 (0.8-1.8, n=10)
Wollastonite (mol%):2.9±1.3 (0.8-4.5, n=10)
Classifier:A. Greshake, MNB
Type spec mass (g):3
Type spec location:MNB
Main mass:Marcin Cimala
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 Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7328 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

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