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Alatage Mountain 009
Basic information Name: Alatage Mountain 009
     This is an OFFICIAL meteorite name.
Abbreviation: AM 009
Observed fall: No
Year found: 2013
Country: China
Mass:help 6.2 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  L5-melt breccia
Recommended:  L5-melt breccia    [explanation]

This is 1 of 18 approved meteorites classified as L5-melt breccia.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 10 May 2017
Writeuphelp
Writeup from MB 106:

Alatage Mountain 009 (AM 009)        41°41’14.1"N, 92°56’18.5"E

Xinjiang, China

Find: 1 May 2013

Classification: Ordinary chondrite (L5, melt breccia)

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: 6.2 g (only 1 piece) no fusion crust, gray surface

Petrography: The meteorite shows a porphyritic structure. The opaque matrix is composed of glass with traces of granular silicates and metal. The metal and sulfide are dispersed in circular droplets, except in the oxidized metallic veins. Remnant chondrules are preserved.

Geochemistry: Minerals are uniform. Olivine: Fa21.6±0.5 (n=7); low-Ca pyroxene: Fs17.4±2.6Wo2.5±0.9 (n=13)

Classification: L5, S5, W2

Specimens: 3 g sample and one thin section are deposited in GUT.

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°56'18.5"E
Mass (g):6.2
Pieces:1
Class:L5-melt breccia
Shock stage:S5
Weathering grade:W2
Fayalite (mol%):21.6±0.5 (n=7)
Ferrosilite (mol%):17.4±2.6 (n=13)
Wollastonite (mol%):2.5±0.9 (n=13)
Classifier:Z. Xia, B. Miao, H. Chen, GUT
Type spec mass (g):3
Type spec location:GUT
Main mass:Wenjie Shen in Guangzhou, 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.
Find references in NASA ADS:
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Geography:

China
Coordinates:
     Recommended::   (41° 41' 14"N, 92° 56' 18"E)

Statistics:
     This is 1 of 228 approved meteorites from Xinjiang, China (plus 4 unapproved names)
     This is 1 of 364 approved meteorites from China (plus 15 unapproved names) (plus 1 impact crater)
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