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Kumtag 059
Basic information Name: Kumtag 059
     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 11.3 kg
Classification
  history:
Recommended:  L5    [explanation]

This is 1 of 7139 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 21 Dec 2020
Writeuphelp
Writeup from MB 109:

Kumtag 059        41°37’8.50"N, 93°41’23.56"E

Xinjiang, China

Find: 2012

Classification: Ordinary chondrite (L5)

History: (Ziyao Wang) Discovered by the geologist Jianming Wang (Hami/Xinjiang) during field work in the Kumtag Desert in 2012.

Physical characteristics: (Ziyao Wang) Black stone of 11.3 kg without fusion crust

Petrography: (R. Bartoschewitz, Bart) fractured recrystallized matrix with poorly developed chondrules of various types (0.4-1.5 mm, av. 0.7 mm). Fractures filled with iron hydroxides.

Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa23.0±0.4 (n=21); pyroxene Fs19.5Wo1.5 (n=1); diopsid En52Fs8Wo40 (n=1). Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 4.85

Classification: Ordinary chondrite (H5, S1, W4)

Specimens: 21.3 g at Kiel on deposit, Ziyao Wang holds the main mass and 138 g with Bart.

Data from:
  MB109
  Table 0
  Line 0:
State/Prov/County:Xinjiang
Origin or pseudonym:desert
Date:2012
Latitude:41°37'8.50"N
Longitude:93°41'23.56"E
Mass (g):11300
Pieces:1
Class:L5
Shock stage:S3
Weathering grade:W4
Fayalite (mol%):23.0±0.4 (n=21)
Ferrosilite (mol%):19.5 (n=1)
Wollastonite (mol%):1.5
Magnetic suscept.:4.85
Classifier:R. Bartoschewitz
Type spec mass (g):21.3
Type spec location:Kiel
Main mass:Ziyao Wang
Finder:Jianming Wang
Comments:working name WZ141; 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)
Find references in NASA ADS:
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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° 37' 9"N, 93° 41' 24"E)

Statistics:
     This is 1 of 265 approved meteorites from Xinjiang, China (plus 4 unapproved names)
     This is 1 of 418 approved meteorites from China (plus 11 unapproved names) (plus 1 impact crater)
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