干旱区生态环境知识资源中心(Arid): The Kumtag meteorite strewn field

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DOI	10.1016/j.asr.2021.02.020
	The Kumtag meteorite strewn field
	Du, Ke; Li, Shijie; Leya, Ingo; Smith, Thomas; Zhang, Dongliang; Wang, Peng
通讯作者	Li, SJ (corresponding author), Chinese Acad Sci, Inst Geochem, Ctr Lunar & Planetary Sci, Guiyang 550081, Peoples R China.
来源期刊	ADVANCES IN SPACE RESEARCH
ISSN	0273-1177
EISSN	1879-1948
出版年	2021
卷号	67 期号:12 页码:4089-4098
英文摘要	The Kumtag meteorite strewn field was found in the Kumtag desert, 132 km south of Hami city in the Xinjiang province, China. It is an ellipse of 2.5 x 7.9 km, with a long axis extending along the northeast-southwest direction. The largest individual meteorite of the strewn field weighs about 10 kg; the smallest individual has a mass of only 27 g. In total, more than 100 individuals with a total mass of more than 180 kg were collected. The location and the distribution of the fragments suggest that the Kumtag meteoroid entered the atmosphere in the direction Northeast-Southwest. All meteorites collected in this strewn field are samples from the same unique meteorite shower. The Kumtag meteorite is an H5 ordinary chondrite with a shock stage S2, and a weathering grade W2. The cosmic ray exposure age of Kumtag is 6.7 +/- 0.8 Ma, which is rather typical for H chondrites and which indicates that Kumtag was derived from the massive impact event on its parent body similar to 7 Ma ago. A significant amount of He has been lost during certain unknown processe(s) before the Kumtag meteorite was ejected from its parent body. (C) 2021 COSPAR. Published by Elsevier B.V. All rights reserved.
英文关键词	Kumtag desert Strewn field Chondrite meteorite Cosmic-ray exposure age
类型	Article
语种	英语
开放获取类型	Green Submitted
收录类别	SCI-E
WOS记录号	WOS:000652847200012
WOS关键词	COLLECTION AREA ; ATACAMA DESERT ; CLASSIFICATION ; RECOVERY ; REDETERMINATION ; CHONDRITES ; ARIZONA ; COUNTY ; FALLS ; FLUX
WOS类目	Engineering, Aerospace ; Astronomy & Astrophysics ; Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences
WOS研究方向	Engineering ; Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
来源机构	中国科学院地质与地球物理研究所
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/349278
作者单位	[Du, Ke; Li, Shijie] Chinese Acad Sci, Inst Geochem, Ctr Lunar & Planetary Sci, Guiyang 550081, Peoples R China; [Du, Ke] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Li, Shijie] Chinese Acad Sci, Ctr Excellence Comparat Planetol, Hefei 230026, Peoples R China; [Leya, Ingo; Smith, Thomas] Univ Bern, Phys Inst, CH-3012 Bern, Switzerland; [Smith, Thomas] Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China; [Zhang, Dongliang] Cent South Univ, Sch Geosci & Infophys, Minist Educ, Key Lab Metallogen Predict Nonferrous Met, Changsha 410083, Peoples R China; [Wang, Peng] Sixth Geol Brigade, Div Mines & Geol, Hami 839000, Peoples R China
推荐引用方式 GB/T 7714	Du, Ke,Li, Shijie,Leya, Ingo,et al. The Kumtag meteorite strewn field[J]. 中国科学院地质与地球物理研究所,2021,67(12):4089-4098.
APA	Du, Ke,Li, Shijie,Leya, Ingo,Smith, Thomas,Zhang, Dongliang,&Wang, Peng.(2021).The Kumtag meteorite strewn field.ADVANCES IN SPACE RESEARCH,67(12),4089-4098.
MLA	Du, Ke,et al."The Kumtag meteorite strewn field".ADVANCES IN SPACE RESEARCH 67.12(2021):4089-4098.