NWA 13239 UREILITE METEORITE Meteorito de acondrite - 218 g

Descrição
NWA 13239 UREILITE METEORITE Meteorito de acondrite - 218 g
TIMBUKTU, Mali

NWA 13239
UREILITE METEORITE
ON OFFER INDIVIDUAL UREILITE METEORITE OF 218 GRAMS.

This unique meteorite is officially classified & approved as NWA 13239 and was recently discovered in Timbuktu Mali in Aug 2019 & classified by world renowned and profoundly respected Dr Anthony J. Irving and team at University of Washington.
Name: Northwest Africa 13239 this is an official meteorite name
NWA 13239
CLASSIFICATION UREILITE
DISCOVERED IN TIMBUKTU MALI
IN AUGUST 2019
PRIMITIVE ACHONDRITE
UREILITE

YOU ARE BUYING ONE SPECIMEN OF 218 GRAMS

GUARANTEED AUTHENTICITY
The authenticity of this meteorite has a 100% guarantee. Signed Certificate of Authenticity Included

First express class delivery and provenance provided.

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OFFICIAL CLASSIFICATION DATA SOURCE:
THE METEORITICAL SOCIETY
INTERNATIONAL SOCIETY FOR METEORITICS AND PLANETARY SCIENCE
LUNAR AND PLANETARY INSTITUTE
METEORITICAL BULLETIN DATABASE
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Northwest Africa 13239
Basic information Name: Northwest Africa 13239
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13239
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 287 g
Classification
history: Ureilite


This is 1 of 526 approved meteorites classified as Ureilite.
Search for other: Achondrites, Ureilites
Comments: Approved 28 Mar 2020
Writeuphelp
Writeup from MB 109:
Northwest Africa 13239 (NWA 13239)

(Northwest Africa)

Purchased: 2019 Aug

Classification: Ureilite

History: Purchased by Mbark Arjda in August 2019 from a dealer in Timbuktu, Mali.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Aggregate (mean grainsize 1.2 mm) of olivine with thick opaque, reduced magnesian rims (~75 vol.%), pigeonite (~25 vol.%) and accessory bladed grains of graphite.

Geochemistry: Olivine (cores Fa21.3-21.7, N = 3; rims Fa3.0-3.2, N = 2), pigeonite (Fs10.5-18.1Wo6.5-14.0, N = 4).

Classification: Ureilite.

Specimens: 25.0 g including one polished thin section at UWB; remainder with Mr. M. ARJDAL

Data from:
MB109
Table 0
Line 0:
Place of purchase: Timbuktu, Mali
Date: P 2019 Aug
Mass (g): 287
Pieces: 1
Class: Ureilite
Shock stage: low
Weathering grade: low
Fayalite (mol%): 21.3-21.7
Ferrosilite (mol%): 10.5-18.1
Wollastonite (mol%): 6.5-14.0
Classifier: A. Irving, UWS, and P. Carpenter, WUSTL
Type spec mass (g): 25.0
Type spec location: UWB
Main mass: M. Arjdal
Comments: Work name Arj ZM 86; submitted by A. Irving
Institutions
and collections UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS: NASA ADS
Find references in Google Scholar: Google Scholar

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Revision
history:
This lists important revisions made to data for this record.

Detalhes do lote
Mineral principal/ Nome do meteorito
NWA 13239 UREILITE METEORITE
Forma mineral/ Tipos de meteorito
Meteorito de acondrite
Peso
218 g
Origem (região/cidade)
TIMBUKTU
Origem (país)
Mali
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