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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:help 189 g
Classification
  history:
Recommended:  L5    [explanation]

This is 1 of 7170 approved meteorites (plus 4 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
Writeuphelp
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 Fa24.3±1.0 (n=36); pyroxene Fs20.3±0.3 (n=4), Wo1.6±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 Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
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Geography:

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

Statistics:
     This is 1 of 24 approved meteorites from Nei Mongol, China (plus 1 unapproved name)
     This is 1 of 422 approved meteorites from China (plus 11 unapproved names) (plus 1 impact crater)
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