Meteoritical Bulletin: Entry for Tassédet 005

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Tassédet 005

Basic information

Name: Tassédet 005
This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2018
Country: Niger
Mass: 50 kg

Classification
history:

Meteoritical Bulletin:	MB 109	(2020)	L6
Recommended:			L6 [explanation]

This is 1 of 12780 approved meteorites (plus 11 unapproved names) classified as L6. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 21 Dec 2020

Writeup

help

Writeup from MB 109:

Tassédet 005 ~18°50’N, ~7°00’E

Agadez, Niger

Find: 2018

Classification: Ordinary chondrite (L6)

History: (Ziyao Wang) A meteorite strewn field was discovered west of Arlit. Ziyao Wang and Wenxi Jin purchased more than 100 pieces of above 50 kg from that strewn field from Adnane Sami in Agadez, Niger in 2018.

Physical characteristics: (Ziyao Wang) More than 100 individals and fragments between 3 kg and 5 g with fresh gray-brown fusion crust with contraction cracks. The total discovered mass exceeds 50 kg.

Petrography: (R. Bartoschewitz, Bart) Light gray matrix with well recognizable darker to dark gray chondrules (0.3-1.3 mm, av. 0.7 mm) of various types, and metal and sulfide particles that mainly present rusty halos.

Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa_24.0±0.2(n=19); pyroxene Fs_20.3±0.4Wo_1.5±0.1(n=10); diopside En₄₇Fs₇Wo₄₆; feldspar An₉Or₆(n=2); chromite CRAL86, FFM88; galaxite. Kamacite Ni=5.3-6.7 wt%, Co=0.6-0.9 wt% (n=3=; troilite. Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10^-9 m³/kg) = 4.81 ± 0.09 (n=10).

Classification: Ordinary chondrite (L6, S3, W1)

Specimens: 23.5 g at Kiel on deposit, Wenxi Jin and Ziyao Wang hold the main mass and 105 g with Bart.

Data from:
  MB109
  Table 0
  Line 0:

State/Prov/County:	Agadez
Origin or pseudonym:	desert
Place of purchase:	Agadez, Niger
Date:	2018
Latitude:	~18°50'N
Longitude:	~7°00'E
Mass (g):	>50000
Pieces:	many >100
Class:	L6
Shock stage:	S3
Weathering grade:	W1
Fayalite (mol%):	24.0±0.2 (n=19)
Ferrosilite (mol%):	20.3±0.4 (n=10)
Wollastonite (mol%):	1.5±0.1
Magnetic suscept.:	4.81±0.09
Classifier:	R. Bartoschewitz
Type spec mass (g):	23.5
Type spec location:	Kiel
Main mass:	Wenxi Jin and Ziyao Wang
Finder:	anonymous
Comments:	working name WZ136; submitted by R. Bartoschewitz

Institutions
and collections

Kiel: Geologisches und Mineralogisches Museum, Institut für Geowissenschaften, Christian-Albrechts-Universität Kiel, Ludewig-Mayn-Str. 10, D-24118 Kiel, Germany, Germany (institutional address; updated 13 Sep 2013)
Bart: Bartoschewitz Meteorite Laboratory, Weiland 37, D-38518 Gifhorn, Germany; Website (private address; updated 30 Nov 2019)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 109, in preparation (2020)

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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Cute child
Qi Lv

Geography:

Niger

Niger

Coordinates:
Recommended::	(18° 50'N, 7° 0'E)

Statistics:
This is 1 of 54 approved meteorites from Agadez, Niger
This is 1 of 119 approved meteorites from Niger (plus 4 unapproved names)

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Revision
history:

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