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Northwest Africa 15230
Basic information Name: Northwest Africa 15230
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15230
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass:help 330 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 5 Sep 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 15230 (NWA 15230)

(Northwest Africa)

Purchased: May 2022

Classification: Carbonaceous chondrite (CO3)

History: The meteorite was purchased from a group of meteorites hunters in Nouadhibou, Mauritania, in May, 2022.

Physical characteristics: Ten light brownish fragments without fusion crust.

Petrography: The meteorite shows a light brownish interior and is predominantly composed of abundant small chondrules, CAIs, and mineral fragments set into a fine-grained matrix. Chondrules have a mean diameter of about 160 µm. Opaque phases are metal and troilite partly altered to iron oxides and hydroxides.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Nouadhibou, Mauritania
Date:P May 2022
Mass (g):330
Pieces:10
Class:CO3
Shock stage:S1
Weathering grade:moderate
Fayalite (mol%):21.1±20.1 (0.5-57.8, n=17)
Ferrosilite (mol%):1.0±1.4 (0.5-5.5, n=11)
Wollastonite (mol%):1.1±0.3 (0.9-2.0, n=11)
Classifier:A. Greshake, MNB
Type spec mass (g):20
Type spec location:MNB
Main mass:Salamu Ali
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. 111, in preparation (2022)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

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

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