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Alatage Mountain 037
Basic information Name: Alatage Mountain 037
     This is an OFFICIAL meteorite name.
Abbreviation: AM 037
Observed fall: No
Year found: 2013
Country: China
Mass:help 18.9 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  L5
Recommended:  L5    [explanation]

This is 1 of 8877 approved meteorites (plus 5 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 037 (AM 037)        41°41’17.0"N, 92°56’50.1"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: 18.9 g (only 1 piece) no fusion crust, gray surface

Petrography: The meteorite consists of olivine, orthopyroxene, and feldspar, associated with comparatively minor amounts of clinopyroxene, Fe-Ni, diopside, troilite, chromite and phosphate. In this section, the sample shows a recrystallization texture. More than 40% metal and sulfide are oxidated.

Geochemistry: Minerals are uniform. Olivine: Fa24.1±1.2 (n=7); low-Ca pyroxene: Fs18.8±2.0Wo3.1±2.0 (n=12)

Classification: Ordinary chondrite (L5); S5; W2

Specimens: 3 g sample and one thin section are deposited in GUT; 14 g deposited at GIGCAS.

Data from:
  MB106
  Table 0
  Line 0:
State/Prov/County:Xinjiang
Origin or pseudonym:Gobi Desert
Date:1 May 2013
Latitude:41°41'17.0"N
Longitude:92°56'50.1"E
Mass (g):18.9
Pieces:1
Class:L5
Shock stage:S5
Weathering grade:W2
Fayalite (mol%):24.1±1.2 (n=7)
Ferrosilite (mol%):18.8±2.0 (n=12)
Wollastonite (mol%):3.1±2.0 (n=12)
Classifier:Z. Xia, B. Miao, H. Chen, GUT
Type spec mass (g):17
Type spec location:GUT, GIGCAS
Main mass:Shijie Li in Guiyang, Guizhou, 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)
GIGCAS: Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, China (institutional address)
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' 17"N, 92° 56' 50"E)

Statistics:
     This is 1 of 345 approved meteorites from Xinjiang, China (plus 6 unapproved names)
     This is 1 of 514 approved meteorites from China (plus 13 unapproved names) (plus 1 impact crater)
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