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| Xiaodonggou | |||||||||||||||||||||||||||
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| Basic information | Name: Xiaodonggou This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2009 Country: China Mass:  23 kg | ||||||||||||||||||||||||||
| Classification history: |
This is 1 of 120 approved meteorites classified as Iron, IAB-MG. [show all] Search for other: IAB complex irons, Iron meteorites, and Metal-rich meteorites | ||||||||||||||||||||||||||
| Comments: | Approved 16 Feb 2015 | ||||||||||||||||||||||||||
| Writeup |
Writeup from MB 104:
Xiaodonggou 47°56.39’N, 88°8.13’E Xinjiang, China Find: 2009 Jul Classification: Iron meteorite (IAB-MG) History: The specimen was purchaed from an anonymous finder. The iron was found half buried in the ground in the Xiaodonggou forest park (Aletai, Xinjiang province) in July 2009, where the finder often went to walk. Physical characteristics: An irregular piece of iron, with concave surface. Petrography: (T. Zhang, S. Hu and Y. Lin, IGGCAS) The meteorite consists of kamacite and minor taenite and schreibersite, with trace graphite. Different from Xinjiang (a) by the absence of rhomb-like micrometer-sized schreibersite grains. Geochemistry: Mineral compositions and geochemistry: (G. Wang, GIGCAS, T. Zhang, S. Hu and Y. Lin, IGGCAS) Kamacite: 5.57-6.47 wt.% Ni, 0.04-0.18 wt% Co; Taenite: 9.73-41.5 wt.% Ni. Bulk compositions: Ni: 6.04 wt.%, Ga: 89.7 ppm, Ge: 318 ppm, Ir: 5.01 ppm. Classification: (G. Wang, GIGCAS, T. Zhan, S. Hu and Y. Lin, IGGCAS) IAB, main group Specimens: The main mass is held by Zhigan Li. | ||||||||||||||||||||||||||
| Data from: MB104 Table 0 Line 0: |
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| Institutions and collections |
IGGCAS: Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China (institutional address; updated 16 Oct 2011) GIGCAS: Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, China (institutional address) |
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| References: | Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography:
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Statistics: This is 1 of 293 approved meteorites from Xinjiang, China (plus 5 unapproved names) This is 1 of 457 approved meteorites from China (plus 10 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||
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