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Alatage Mountain 016
Basic information Name: Alatage Mountain 016
     This is an OFFICIAL meteorite name.
Abbreviation: AM 016
Observed fall: No
Year found: 2013
Country: China
Mass:help 316 g
Meteoritical Bulletin:  MB 103  (2014)  L5
Recommended:  L5    [explanation]

This is 1 of 8831 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 from MB 103:

Alatage Mountain 016 (AM 016)        41°41’15.4"N, 92°56’19.6"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: 315.9 g (only 1 piece) no fusion curst, gray surface

Petrography: Only a few of chondrules and chondrule fragments remain. Chondrule types mainly include granular olivine and barred olivine. Chondrules are commomly deformed. The matrix is fine-grained and the feldspars have sizes over 2 μm. Shock-induced metal-sulfide veins and melt pockets are pervasive. Many mineral grains are heavily fractured. More than 50% of metal and sulfide is oxidized.

Geochemistry: Minerals are uniform. Olivine: Fa22.2±0.5 (n=7); low-Ca pyroxene: Fs18.5±1.6Wo1.8±1.3 (n=7)

Classification: Ordinary chondrite L5; S5; W2.

Specimens: 80 g sample and one thin section are deposited in GUT.

Data from:
  Table 0
  Line 0:
Origin or pseudonym:Gobi Desert
Date:1 May 2013
Mass (g):315.9
Shock stage:S5
Weathering grade:W2
Fayalite (mol%):22.2±0.5 (n=7)
Ferrosilite (mol%):18.5±1.6 (n=7)
Wollastonite (mol%):1.8±1.3 (n=7)
Classifier:Z. Xia, B. Miao, H. Chen, GUT
Type spec mass (g):80
Type spec location:GUT
Main mass:Leikesi in Beijing, China
Finder:Bingkui Miao et al.
Comments:Submitted by Zhipeng Xia
   and collections
GUT: College of Earth Sciences, Guilin University of Technology, 12 Jiangan Road, Guilin 541004, China (institutional address; updated 18 Oct 2012)
Beijing: Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China (institutional address; updated 16 Oct 2011)
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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     Recommended::   (41° 41' 15"N, 92° 56' 20"E)

     This is 1 of 322 approved meteorites from Xinjiang, China (plus 6 unapproved names)
     This is 1 of 489 approved meteorites from China (plus 13 unapproved names) (plus 1 impact crater)
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