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Alatage Mountain 014
Basic information Name: Alatage Mountain 014
     This is an OFFICIAL meteorite name.
Abbreviation: AM 014
Observed fall: No
Year found: 2013
Country: China
Mass:help 18.3 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  L5
Recommended:  L5    [explanation]

This is 1 of 7176 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
Writeuphelp
Writeup from MB 106:

Alatage Mountain 014 (AM 014)        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: 18.3 g (only 1 piece) no fusion crust, gray surface

Petrography: 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 40% of metal and sulfide are oxidized. Possibly paired with Alatage Mountain 013. The wide shock veins (>200 μm) and ringwoodite indicate shock stage S5.

Geochemistry: Minerals are uniform. Olivine: Fa23.0±1.1 (n=7); low-Ca pyroxene: Fs18.9±0.4Wo1.7±0.3 (n=7)

Classification: Ordinary chondrite L5; S5; W2.

Specimens: 3 g sample and one thin section are deposited in GUT; 14 g at Hunan University of Science and Technology, China.

Data from:
  MB106
  Table 0
  Line 0:
State/Prov/County:Xinjiang
Origin or pseudonym:Gobi Desert
Date:1 May 2013
Latitude:41°41'14.1"N
Longitude:92°56'16.8"E
Mass (g):18.3
Pieces:1
Class:L5
Shock stage:S5
Weathering grade:W2
Fayalite (mol%):23.0±1.1 (n=7)
Ferrosilite (mol%):18.9±0.4 (n=7)
Wollastonite (mol%):1.7±0.3 (n=7)
Classifier:Z. Xia, B. Miao, H. Chen, GUT
Type spec mass (g):17
Type spec location:GUT
Main mass:Deqiu Dai in Changsha, Hunan, China
Finder:Bingkui Miao et al.
Comments:Submitted by Zhipeng Xia
Institutions
   and collections		 GUT: College of Earth Sciences, Guilin University of Technology, 12 Jiangan Road, Guilin 541004, China (institutional address; updated 18 Oct 2012)
Catalogs:
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:

China
Coordinates:
     Recommended::   (41° 41' 14"N, 92° 56' 17"E)

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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