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Kumtag 040
Basic information Name: Kumtag 040
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2012
Country: China
Mass:help 560 g
Classification
  history:
Meteoritical Bulletin:  MB 107  (2018)  LL~4
Recommended:  LL~4    [explanation]

This is 1 of 6 approved meteorites classified as LL~4.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 6 Oct 2018
Writeuphelp
Writeup from MB 107:

Kumtag 040        41°53’15.67"N, 93°55’44.80"E

Xinjiang, China

Find: 18 Aug 2012

Classification: Ordinary chondrite (LL~4)

History: (Ziyao Wang) Discovered by Wang Ziyao in the Gobi Desert, 4 km E of Yamansu Town, near Hami city in Xinjiang province on Aug. 18, 2012.

Physical characteristics: (Ziyao Wang and R. Bartoschewitz, Bart) One dark-brown, stone broken into two pieces that fit together, totaling 560 g. No fusion crust recognizable.

Petrography: (R. Bartoschewitz, Bart) Gray, brecciated texture of microcrystalline matrix with well-defined deformed chondrules up to 2 mm and irregular metal and sulfide specks up to 0.5 mm.

Geochemistry: Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 4.44

Classification: Ordinary chondrite (LL~4, W1)

Specimens: 22.7 g on deposit at Kiel, Wang Ziyao holds the main mass, and 54.4 g with Bart.

Data from:
  MB107
  Table 0
  Line 0:
State/Prov/County:Xinjiang
Origin or pseudonym:desert
Date:18 Aug 2012
Latitude:41°53'15.67"N
Longitude:93°55'44.80"E
Mass (g):560
Pieces:2
Class:LL~4
Weathering grade:W1
Magnetic suscept.:4.44
Classifier:R. Bartoschewitz
Type spec mass (g):22.7
Type spec location:Kiel
Main mass:Wang Ziyao
Finder:Wang Ziyao
Comments:working name WZ06; 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. 107, MAPS 55, 460-462
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Wang Ziyao         
Geography:

China
Coordinates:
     Recommended::   (41° 53' 16"N, 93° 55' 45"E)

Statistics:
     This is 1 of 258 approved meteorites from Xinjiang, China (plus 5 unapproved names)
     This is 1 of 403 approved meteorites from China (plus 15 unapproved names) (plus 1 impact crater)
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