Meteoritical Bulletin: Entry for Northwest Africa 13066

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Northwest Africa 13066

Basic information

Name: Northwest Africa 13066
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13066
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass: 144 g

Classification
history:

Recommended:

CO3 [explanation]

This is 1 of 642 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 12 Feb 2020

Writeup

Writeup from MB 109:

Northwest Africa 13066 (NWA 13066)

(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: The meteorite shows a dark brownish interior and is composed of abundant small chondrules, CAIs (up to 500 µm), and mineral fragments some of which surrounded by fine-grained dust rims set into a fine-grained black matrix. Chondrules have a mean diameter of about 0.2 mm; few regions show brownish staining due to terrestrial weathering. Opaque minerals are sulfide and Fe,Ni metal.

Data from:
  MB109
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P 2019
Mass (g):	144
Pieces:	1
Class:	CO3
Shock stage:	S1
Weathering grade:	low
Fayalite (mol%):	17.9±19.7 (1.3-57.3, n=12)
Ferrosilite (mol%):	1.4±0.5 (1.0-2.2, n=12)
Wollastonite (mol%):	0.8±0.1 (0.7-1.0, n=12)
Classifier:	A. Greshake, MNB
Type spec mass (g):	21.2
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:
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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names)

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