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Alatage Mountain 004 | |||||||||||||||||||||||||||||||||||||||
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Basic information | Name: Alatage Mountain 004 This is an OFFICIAL meteorite name. Abbreviation: AM 004 Observed fall: No Year found: 2013 Country: China Mass: ![]() | ||||||||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 8501 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 23 Nov 2014 | ||||||||||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 103:
Alatage Mountain 004 (AM 004) 41°41’3.9"N, 92°57’37.3"E Xinjiang, China Found: 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: 12.2 g (only 1 piece) no fusion curst, gray surface Petrography: Chondrules are readily defineated. The main silicates are olivine and pyroxene, with less abundant fine-grained plagioclase and minor apatite. Shock-induced metal-sulfide veins and melt pockets are pervasive. Many mineral grains are heavily fractured. More than 40% of metal and sulfide are oxidized. Geochemistry: Minerals are uniform. Olivine: Fa23.0±0.5 (n=6); low-Ca pyroxene: Fs19.3±0.5Wo1.8±0.2 (n=6) Classification: Ordinary chondrite L5; S5; W2. Specimens: 3 g sample and one thin section are deposited in GUT. | ||||||||||||||||||||||||||||||||||||||
Data from: MB103 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) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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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: |