干旱区生态环境知识资源中心(Arid): ~(40)Ar/~(39)Ar Geochronology of Weathering Process in the Tu-Ha Basin, Northwest China

Arid

	~(40)Ar/~(39)Ar Geochronology of Weathering Process in the Tu-Ha Basin, Northwest China
	Yang Jing; Chen Wen; Zheng Dewen; Yang Li; Zhang Yan; Liu Xinyu
来源期刊	Acta Geologica Sinica
ISSN	1000-9515
出版年	2015
卷号	89 期号:6 页码:2094-2095
英文摘要	The Asian interior contains the most regionally extensive areas of mid-latitude deserts and semi-deserts in the word, and its timing and forcing mechanisms of aridification has attracted much attention. The Tu-Ha Basin is one of the major hyperarid areas in the northwestern China; however, the initiation and history of aridification of this basin have been poorly understood. There are widely distributed deep weathering profiles and associated supergene oxidation zones through the Tu-Ha Basin, with commonly observed supergene K-bearing sulfate minerals, especially jarosite minerals. The formation and preservation of the jarosite minerals in the weathering profiles record an arid-semiarid climate and a transition toward hyperarid conditions. Therefore, ~(40)Ar/~(39)Ar dating of supergene jarosite is a useful tool to infer the paleoclimatic conditions from the knowledge of weathering timescales. Till now, our project has dated new ~(40)Ar/~(39)Ar ages for supergene jarosite from three weathering profiles: the Hongshan deposit, the Liuhuangshan deposit, and the Caihuagou deposit, to precisely constrain the timing and duration weathering and supergene enrichment in the Tu-Ha Basin. These results are also used to provide new insights into the paleoclimatic conditions and the landscape evolution.
英文关键词	~(40)Ar/~(39)Ar Geochronology Weathering
类型	Article
语种	英语
收录类别	CSCD
WOS研究方向	Geology
CSCD记录号	CSCD:5599996
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/335584
作者单位	Yang Jing, Institute of Geology, Chinese Academy of Geological Sciences, Laboratory of Isotope Thermochronology, National Key Laboratory of Continental Structure and Dynamic, Beijing 100037, China.; Chen Wen, Institute of Geology, Chinese Academy of Geological Sciences, Laboratory of Isotope Thermochronology, National Key Laboratory of Continental Structure and Dynamic, Beijing 100037, China.; Yang Li, Institute of Geology, Chinese Academy of Geological Sciences, Laboratory of Isotope Thermochronology, National Key Laboratory of Continental Structure and Dynamic, Beijing 100037, China.; Zhang Yan, Institute of Geology, Chinese Academy of Geological Sciences, Laboratory of Isotope Thermochronology, National Key Laboratory of Continental Structure and Dynamic, Beijing 100037, China.; Liu Xinyu, Institute of Geology, Chinese Academy of Geological Sciences, Laboratory of Isotope Thermochronology, National Key Laboratory of Continental Structure and Dynamic, Beijing 100037, China.; Zheng Dewen, Institute of Ge...
推荐引用方式 GB/T 7714	Yang Jing,Chen Wen,Zheng Dewen,et al. ~(40)Ar/~(39)Ar Geochronology of Weathering Process in the Tu-Ha Basin, Northwest China[J],2015,89(6):2094-2095.
APA	Yang Jing,Chen Wen,Zheng Dewen,Yang Li,Zhang Yan,&Liu Xinyu.(2015).~(40)Ar/~(39)Ar Geochronology of Weathering Process in the Tu-Ha Basin, Northwest China.Acta Geologica Sinica,89(6),2094-2095.
MLA	Yang Jing,et al."~(40)Ar/~(39)Ar Geochronology of Weathering Process in the Tu-Ha Basin, Northwest China".Acta Geologica Sinica 89.6(2015):2094-2095.