干旱区生态环境知识资源中心(Arid): The Impact of the Linked Factors of Provenance, Tectonics and Climate on Potash Formation: An Example from the Potash Deposits of Lop Nur Depression in Tarim Basin, Xinjiang, Western China

Arid

	The Impact of the Linked Factors of Provenance, Tectonics and Climate on Potash Formation: An Example from the Potash Deposits of Lop Nur Depression in Tarim Basin, Xinjiang, Western China
	Liu Chenglin; Jiao Pengcheng; Lu Fenglin; Wang Yongzhi; Sun Xiaohong; Zhang Hua; Wang Licheng; Yao Fojun
来源期刊	Acta Geologica Sinica
ISSN	1000-9515
出版年	2015
卷号	89 期号:6 页码:2030-2047
英文摘要	Potash deposits commonly accumulate in highly restricted settings at the final stage of brine evaporation. This does not mean that potash deposits are formed simply as a result of the evaporation concentration of seawater or lake water, but rather as a coupling result of particular provenance, tectonics and climate activities. In this paper, we focus on the formative mechanism of the potash deposits of Lop Nur depression in Tarim Basin to interpret the detailed coupling mechanism among provenance, tectonics and climate. In terms of the provenance of Lop Nur Lake, the water of the Tarim River which displays potassium-rich characteristics play an important role. In addition, the Pliocene and Lower-Middle Pleistocene clastic beds surrounding Lop Nur Lake host a certain amount of soluble potassium and thus serves as source beds for potash formation. During the late Pliocene, the Lop Nur region has declined and evolved into a great lake from the previous piedmont and diluvial fan area. Since the mid Pleistocene, the great-united Lop Nur Lake has been separated and has generated a chain system consisting of Taitema Lake, Big Ear Lake and Luobei Lake which has turned into the deepest sag in Lop Nur Lake. Dry climate in Lop Nur region has increased since the Pliocene, and became extreme at the late Pleistocene. The study implies that potash formation in Lop Nur Lake depends on the optimal combination of extreme components of provenance, tectonics and climate during a shorter-term period. The optimal patterns of three factors are generally characterized by the long-term accumulation and preliminary enrichment of potassium, the occurrence of the deepest sub-depression and the appearance of an extremely arid climate in Lop Nur region. These factors have been interacting synergistically since the forming of the saline lake and in the later stages strong vapor extraction caused by extremely arid climate is needed to trigger large scale mineralization of potash deposits.
英文关键词	Potash formation coupling mechanism provenance tectonics climate Lop Nur Tarim basin
类型	Article
语种	英语
收录类别	CSCD
WOS研究方向	Mineralogy
CSCD记录号	CSCD:5599987
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/335583
作者单位	Liu Chenglin, Institute of Mineral Resources, Chinese Academy of Geological Sciences, MLR Key Laboratory of Metallogeny and Mineral Assessment, Beijing 100037, China.; Jiao Pengcheng, Institute of Mineral Resources, Chinese Academy of Geological Sciences, MLR Key Laboratory of Metallogeny and Mineral Assessment, Beijing 100037, China.; Lu Fenglin, Institute of Mineral Resources, Chinese Academy of Geological Sciences, MLR Key Laboratory of Metallogeny and Mineral Assessment, Beijing 100037, China.; Sun Xiaohong, Institute of Mineral Resources, Chinese Academy of Geological Sciences, MLR Key Laboratory of Metallogeny and Mineral Assessment, Beijing 100037, China.; Zhang Hua, Institute of Mineral Resources, Chinese Academy of Geological Sciences, MLR Key Laboratory of Metallogeny and Mineral Assessment, Beijing 100037, China.; Wang Licheng, Institute of Mineral Resources, Chinese Academy of Geological Sciences, MLR Key Laboratory of Metallogeny and Mineral Assessment, Beijing 100037, China.; Yao Fojun, Inst...
推荐引用方式 GB/T 7714	Liu Chenglin,Jiao Pengcheng,Lu Fenglin,et al. The Impact of the Linked Factors of Provenance, Tectonics and Climate on Potash Formation: An Example from the Potash Deposits of Lop Nur Depression in Tarim Basin, Xinjiang, Western China[J],2015,89(6):2030-2047.
APA	Liu Chenglin.,Jiao Pengcheng.,Lu Fenglin.,Wang Yongzhi.,Sun Xiaohong.,...&Yao Fojun.(2015).The Impact of the Linked Factors of Provenance, Tectonics and Climate on Potash Formation: An Example from the Potash Deposits of Lop Nur Depression in Tarim Basin, Xinjiang, Western China.Acta Geologica Sinica,89(6),2030-2047.
MLA	Liu Chenglin,et al."The Impact of the Linked Factors of Provenance, Tectonics and Climate on Potash Formation: An Example from the Potash Deposits of Lop Nur Depression in Tarim Basin, Xinjiang, Western China".Acta Geologica Sinica 89.6(2015):2030-2047.