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Northwest Africa 13068
Basic information Name: Northwest Africa 13068
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13068
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 80 g
Classification
  history:
Recommended:  CO3    [explanation]

This is 1 of 554 approved meteorites (plus 1 unapproved name) classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 9 Feb 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13068 (NWA 13068)

(Northwest Africa)

Purchased: 2019

Classification: Carbonaceous chondrite (CO3)

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

Physical characteristics: Dark brownish rock without fusion crust.

Petrography: Carbonaceous chondrite composed of abundant small chondrules, CAIs, and their fragments set in a fine-grained, almost black matrix. Chondrules are dominantly porphyritic type I and about 180 µm in mean diameter. Sulfides and FeNi metal are present in matrix and chondrules.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2019
Mass (g):80
Pieces:1
Class:CO3
Shock stage:S1
Weathering grade:low
Fayalite (mol%):15.6±17.0 (0.6-50.0, n=20)
Ferrosilite (mol%):1.7±0.1 (1.5-2.0, n=15)
Wollastonite (mol%):0.9±0.1 (0.8-1.2, n=15)
Classifier:A. Greshake, MNB
Type spec mass (g):17.7
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; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7377 approved meteorites from (Northwest Africa) (plus 1955 unapproved names)

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