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| Kumtag 039 | |||||||||||||||||||||||||||||||||||||
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| Basic information | Name: Kumtag 039 This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2013 Country: China Mass:  188.2 g | ||||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 58 approved meteorites classified as L6-melt breccia. [show all] Search for other: L chondrites, L chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||||||||
| Comments: | Approved 6 Oct 2019 | ||||||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 108:
Kumtag 039 41°33’28.06"N, 93°13’16.18"E Xinjiang, China Find: 16 Sept 2013 Classification: Ordinary chondrite (L6, melt breccia) History: (Ziyao Wang) Discovered by the geologist Wang Jianming (Jiuquan/Gansu) during field work in the Kumtag Desert on Sept. 16, 2013. Physical characteristics: (Ziyao Wang and R. Bartoschewitz, Bart) Gray-brown stone of 188.2 g without fusion crust Petrography: (R. Bartoschewitz, Bart) Gray homogeneous matrix with vugs up to 2 mm. Microporphyrytic and relict mineral grains and chondrules, consistent with type L6, are set in a μm-sized melt matrix. Metal and sulfide occur as rounded objects up to 1 mm. Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa23.6±0.7 (n=13); pyroxene Fs20.0±0.5Wo2.1±1.1 (n=5); chromite CRAL86, FFM73 (n=2). Pyrrhotite Ni=2 wt.-% (n=4). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.37 Classification: Ordinary chondrite (L6-melt breccia) Specimens: 20.6 g on deposit at Kiel, Ziyao Wang holds the main mass, and 17.1 g with Bart. Polished thin sections Bart and IfP | ||||||||||||||||||||||||||||||||||||
| Data from: MB108 Table 0 Line 0: |
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| Institutions and collections |
IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012) 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) |
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| References: | Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
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Geography:
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Statistics: This is 1 of 273 approved meteorites from Xinjiang, China (plus 5 unapproved names) This is 1 of 428 approved meteorites from China (plus 12 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||||||||||||
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