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| Kumtag 042 | |||||||||||||||||||||||||||||||||||||||||
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| Basic information | Name: Kumtag 042 This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2012 Country: China Mass:  65 g | ||||||||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 44 approved meteorites (plus 1 unapproved name) classified as L4-6. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||||||||||||
| Comments: | Approved 27 Jul 2019 | ||||||||||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 108:
Kumtag 042 41°27’21.85"N, 93°37’20.85"E Xinjiang, China Find: 2012 Aug 26 Classification: Ordinary chondrite (L4-6) History: (Ziyao Wang) Discovered by the geologist Wang Jianming (Hami/Xinjiang) during field work in the Kumtag Desert on 26 Aug 2012. Physical characteristics: (Ziyao Wang) One dark black-brown stone 65 g. No fusion crust recognizable. Petrography: (R. Bartoschewitz, Bart) breccia of three different lithologies: 1. gray-black matrix with well defined lighter chondrules (0.2-2.0 mm, av. 0.6 mm). 2. Gray-brown recrystallized matrix with chondrules (0.4-1.0 mm, av. 0.6 mm). 3. Black-gray matrix with many vugs (< 0.3 mm) and chondrules (0.4-2.0 mm) of same color. Metal and sulfide inclusions in all three lithologies are irregular. Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa24.5±0.8 (n=33); pyroxene Fs20.1±0.4 (n=4), Wo1.8±0.5; feldspar An11Or5 (n=7); chromite CRAL86, FFM76 (n=3); merrillite. Kamacite Ni=6.2, Co=1.0 wt.-% (n=2). Magnetic susceptibility log χ (× 10-9 m3/kg) = 5.07 Classification: Ordinary chondrite (L4-6 breccia, S4, W1) Specimens: 13.0 g on deposit at Kiel, Ziyao Wang holds the main mass, and 9 g with Bart. | ||||||||||||||||||||||||||||||||||||||||
| Data from: MB108 Table 0 Line 0: |
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| 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) |
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| Catalogs: |
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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 4 unapproved names) This is 1 of 428 approved meteorites from China (plus 11 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||||||||||||||||
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