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A magmatic-hydrothermal lacustrine exhalite from the Permian Lucaogou Formation, Santanghu Basin, NW China - The volcanogenic origin of fine-grained clastic sedimentary rocks

文献类型：期刊论文

作者Jiao, Xin1,2; Liu, Yiqun1; Yang, Wan2,4; Zhou, Dingwu3; Li, Hong1; Nan, Yun1; Jin, Mengqi5
刊名JOURNAL OF ASIAN EARTH SCIENCES
出版日期2018-05-01
卷号156页码:11-25
ISSN号1367-9120
关键词Sedimentary Tuff Magmatic-hydrothermal activities Lacustrine Permian
DOI10.1016/j.jseaes.2018.01.011
文献子类Article
英文摘要Shales in the middle Permian Lucaogou Formation in the intracontinental Santanghu rift basin have been considered as "typical" organic-rich profundal shales for decades. Our study of well cores using petrographic microscope and scanning electron microscopy suggests an otherwise complex hydrovolcanic and hydrothermal origin. This paper describes characteristics of a particular type of the shales, composed of fine-grained detrital minerals and lithic grains. Some of them are orthopyroxene, calcite, peralkaline feldspars, and analcime that are interpreted as derived from peralkaline-alkaline carbonatite, pyroxenite, analcime phonolite, and andesite, whereas others are quartz, dolomite, ankerite, serpentine, and calcite that were precipitated from syndepositional or penecontemporary hydrothermal fluids. Grain size ranges from 0.001 to 2 mm, mostly 0.01-0.1 mm. Well-developed laminae are mostly 0.5-3 mm thick and alternate with tuffaceous dolomicrite. The rocks are interpreted as sublacustrine hydrovolcanic deposits, which had been altered by syndepositional hydrothermal fluids. The interpretation is substantiated by abundant cone-shaped stratigraphic buildups on seismic sections in the basin. This study shows an ancient example of volcanic-hydrothermal deposits in a rift basin.
WOS关键词EAST PACIFIC RISE ; PYROCLASTIC DEPOSITS ; AFRICAN RIFT ; WEST-INDIES ; ERUPTION ; FIELD ; PEPERITE ; GEOCHEMISTRY ; CHEMISTRY ; EVOLUTION
WOS研究方向Geology
语种英语
出版者PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号WOS:000428829700002
资助机构National Science Foundation of China(41272116 ; National Science Foundation of China(41272116 ; Key Program of State Key Laboratory of Continental Dynamics(BJ08133-3) ; Key Program of State Key Laboratory of Continental Dynamics(BJ08133-3) ; China Scholarship Council(201406970004) ; China Scholarship Council(201406970004) ; 41572086 ; 41572086 ; 41428201) ; 41428201) ; National Science Foundation of China(41272116 ; National Science Foundation of China(41272116 ; Key Program of State Key Laboratory of Continental Dynamics(BJ08133-3) ; Key Program of State Key Laboratory of Continental Dynamics(BJ08133-3) ; China Scholarship Council(201406970004) ; China Scholarship Council(201406970004) ; 41572086 ; 41572086 ; 41428201) ; 41428201) ; National Science Foundation of China(41272116 ; National Science Foundation of China(41272116 ; Key Program of State Key Laboratory of Continental Dynamics(BJ08133-3) ; Key Program of State Key Laboratory of Continental Dynamics(BJ08133-3) ; China Scholarship Council(201406970004) ; China Scholarship Council(201406970004) ; 41572086 ; 41572086 ; 41428201) ; 41428201) ; National Science Foundation of China(41272116 ; National Science Foundation of China(41272116 ; Key Program of State Key Laboratory of Continental Dynamics(BJ08133-3) ; Key Program of State Key Laboratory of Continental Dynamics(BJ08133-3) ; China Scholarship Council(201406970004) ; China Scholarship Council(201406970004) ; 41572086 ; 41572086 ; 41428201) ; 41428201)
源URL[http://ir.iggcas.ac.cn/handle/132A11/83208]  
专题中国科学院地质与地球物理研究所
通讯作者Liu, Yiqun; Yang, Wan
作者单位1.Northwest Univ, Dept Geol, State Key Lab Continental Dynam, Xian 710069, Shaanxi, Peoples R China
2.Missouri Univ Sci & Technol, Geol & Geophys Program, Rolla, MO 65401 USA
3.Shandong Univ Sci & Technol, Coll Geol Sci & Engn, Qingdao 266590, Shandong, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, Beijing 100029, Peoples R China
5.China Geol Survey, Xian Ctr Geol Survey, Xian 710054, Shaanxi, Peoples R China
推荐引用方式
GB/T 7714		 Jiao, Xin,Liu, Yiqun,Yang, Wan,et al. A magmatic-hydrothermal lacustrine exhalite from the Permian Lucaogou Formation, Santanghu Basin, NW China - The volcanogenic origin of fine-grained clastic sedimentary rocks[J]. JOURNAL OF ASIAN EARTH SCIENCES,2018,156:11-25.
APA Jiao, Xin.,Liu, Yiqun.,Yang, Wan.,Zhou, Dingwu.,Li, Hong.,...&Jin, Mengqi.(2018).A magmatic-hydrothermal lacustrine exhalite from the Permian Lucaogou Formation, Santanghu Basin, NW China - The volcanogenic origin of fine-grained clastic sedimentary rocks.JOURNAL OF ASIAN EARTH SCIENCES,156,11-25.
MLA Jiao, Xin,et al."A magmatic-hydrothermal lacustrine exhalite from the Permian Lucaogou Formation, Santanghu Basin, NW China - The volcanogenic origin of fine-grained clastic sedimentary rocks".JOURNAL OF ASIAN EARTH SCIENCES 156(2018):11-25.

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来源：地质与地球物理研究所

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