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Northwest Africa 13059
Basic information Name: Northwest Africa 13059
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13059
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 296 g
Classification
  history:
Meteoritical Bulletin:  MB 109  (2020)  CO3
Recommended:  CO3    [explanation]

This is 1 of 645 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 31 Jan 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13059 (NWA 13059)

(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, and mineral fragments set into a fine-grained matrix that contains sulfides and FeNi metal. Chondrules have a mean diameter of about 0.2 mm; several regions show brownish staining due to terrestrial weathering.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2019
Mass (g):296
Pieces:1
Class:CO3
Shock stage:S1
Weathering grade:strong
Fayalite (mol%):19.8±25.6 (0.3-67.2, n=13)
Ferrosilite (mol%):3.0±2.0 (1.2-5.8, n=18)
Wollastonite (mol%):0.8±0.2 (0.5-1.3, n=18)
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; 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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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