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Alatage Mountain 013 | |||||||||||||||||||||||||||||||||||||||
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Basic information | Name: Alatage Mountain 013 This is an OFFICIAL meteorite name. Abbreviation: AM 013 Observed fall: No Year found: 2013 Country: China Mass: ![]() | ||||||||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 8504 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 1 Apr 2017 | ||||||||||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 106:
Alatage Mountain 013 (AM 013) 41°41’14.1"N, 92°56’16.8"E Xinjiang, China Find: 1 May 2013 Classification: Ordinary chondrite (L5) History: An expedition found 42 meteorites between 30 April and 1 May 2013 in a 2.7 × 1.4 km area 80 km east of Alatage Mountain. The expedition included Bingkui Miao, Yangting Lin, Shijie Li, Deqiu Dai, Wenjie Shen, Sen Hu, Lei Kesi, Peng Wang, and Zhipeng Xia. Physical characteristics: Total mass: 93.1 g (only 1 piece) no fusion crust, gray surface Petrography: Consists of olivine, orthopyroxene, and feldspar, associated with comparatively minor amounts of clinopyroxene, Fe-Ni, diopside, troilite, chromite and phosphate. The matrix is fine-grained and feldspar grain size is >2 μm. Many mineral grains are heavily fractured. The wide shock veins (>200 μm) and presence of ringwoodite indicate shock stage S5. Geochemistry: Minerals are uniform. Olivine: Fa22.9±0.9 (n=7); low-Ca pyroxene: Fs19.8±1.1Wo1.6±0.3 (n=11) Classification: Ordinary chondrite L5; S5; W2. Specimens: 3 g sample and one thin section are deposited in GUT; 83 g is deposited at GIGCAS. | ||||||||||||||||||||||||||||||||||||||
Data from: MB106 Table 0 Line 0: |
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Institutions and collections |
GUT: College of Earth Sciences, Guilin University of Technology, 12 Jiangan Road, Guilin 541004, China (institutional address; updated 18 Oct 2012) GIGCAS: Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, China (institutional address) |
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Catalogs: |
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References: | Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Geography:![]() |
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) | ||||||||||||||||||||||||||||||||||||||
Proximity search: |