Meteoritical Bulletin: Entry for Orgon Tal Sum

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Orgon Tal Sum

Basic information

Name: Orgon Tal Sum
This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2017
Country: China
Mass: 189 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	L5
Recommended:			L5 [explanation]

This is 1 of 8890 approved meteorites (plus 5 unapproved names) classified as L5. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 20 Mar 2021

Writeup

Writeup from MB 110:

Orgon Tal Sum 43°17’32.96"N, 112°46’8.17"E

Nei Mongol, China

Find: 2017

Classification: Ordinary chondrite (L5)

History: (Ziyao Wang) Discovered by Chengguang Liang and Lidao Bao in the desert near Orgon Tal Sum (Inner Mongolia) in 2017

Physical characteristics: (Ziyao Wang) Flat brown stone of 189 g without fusion crust

Petrography: (R. Bartoschewitz, Bart) recrystallized matrix with well developed chondrules of various types up to 4 mm (av. ~0.8 mm).

Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa_24.3±1.0(n=36); pyroxene Fs_20.3±0.3(n=4), Wo_1.6±0.2; chromite CRAL86, FFM84. Kamacite Ni=7.9, Co=0.7 (n=1); taenite Ni=23-31, Co=0.2-0.5 (n=4) (all wt%); troilite. Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10^-9 m³/kg) = 5.09

Classification: Ordinary chondrite (L5, S4, W1)

Specimens: 20.2 g on deposit at Kiel, Ziyao Wang holds the main mass, and 22 g with Bart.

Data from:
  MB110
  Table 0
  Line 0:

State/Prov/County:	Nei Mongol
Origin or pseudonym:	desert
Date:	2017
Latitude:	43°17'32.96"N
Longitude:	112°46'8.17"E
Mass (g):	189
Pieces:	1
Class:	L5
Shock stage:	S4
Weathering grade:	W1
Fayalite (mol%):	24.3±1.0 (n=36)
Ferrosilite (mol%):	20.3±0.3 (n=4)
Wollastonite (mol%):	1.6±0.2
Magnetic suscept.:	5.09
Classifier:	R. Bartoschewitz
Type spec mass (g):	20.2
Type spec location:	Kiel
Main mass:	Ziyao Wang
Finder:	Chengguang Liang and Lidao Bao
Comments:	working name WZ112; 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 Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4

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Geography:

China

Coordinates:
Recommended::	(43° 17' 33"N, 112° 46' 8"E)

Statistics:
This is 1 of 30 approved meteorites from Nei Mongol, China (plus 1 unapproved name)
This is 1 of 516 approved meteorites from China (plus 13 unapproved names) (plus 1 impact crater)

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Revision
history:

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