| 山东平邑盆地石膏矿地质特征及成因探讨 |
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| 引用本文： | 林波,王建,戴忠泉.山东平邑盆地石膏矿地质特征及成因探讨[J].山东地质,2011(11):17-22. |
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| 作者姓名： | 林波 王建 戴忠泉 |
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| 作者单位： | [1]山东省第五地质矿产勘查院,山东泰安271000 [2]泰安市钰镪地质资源勘查开发有限责任公司,山东泰安271000 [3]泰安市国土资源局,山东泰安271000 |
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| 摘 要： | 平邑盆地位于鲁西断块隆起区东南蒙山断裂以南,蒙山断裂位于平邑盆地的北部边缘,盆地的形成、形态分布和演化严格受其控制。平邑盆地石膏矿床赋存于古近系官庄群。中生代的燕山运动,伴随火山活动,沿蒙山断裂南侧不断下沉,为平邑盆地的形成奠定了基础,新生代以来蒙山断裂南东盘仍以断陷为主,为下古近系官庄群地层的沉积提供了空间,平邑盆地便成为石膏矿床形成的有利场所。从矿（岩）石化学成分对比,物质来源分析,平邑盆地石膏矿床为多物源,多成矿期的陆相咸化湖盆蒸发岩矿床。
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| 关 键 词： | 石膏矿 地质特征 成因探讨 平邑盆地 |
Geological Characteristics and Its Origin of Gypsum Deposits in Pingyi Basin in Shandong Province |
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| LIN Bo,WANG Jian,DAI Zhongquan.Geological Characteristics and Its Origin of Gypsum Deposits in Pingyi Basin in Shandong Province[J].Geology of Shandong,2011(11):17-22. |
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| Authors: | LIN Bo WANG Jian DAI Zhongquan |
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| Institution: | 1.No.5 Exploration Institute of Geology and Mineral Resources,Shandong Tai＇an 271000,China;2.Tai＇an Yuqiang Limited Corporation of Geological Resources Exploration and Development,Shandong Tai＇an 271000,China;3.Tai＇an Bureau of Land and Resources,Shandong Tai＇an 271000,China) |
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| Abstract: | Pingyi basin located in the south of southeast Mengshan mountain in Luxi fault-block uplift.Mengshan block located in northern edge of Pingyi basin.Formation,morphology and evolution of this basin are strictly controlled by this fault.Gypsum deposits in Pingyi basin occurred in the middle part of the second section of Paleogene Guanzhuang group.Mesozoic Yanshan movement,accompanied by volcanic activities had been sinking along south side of Mengshan fault.It has laid the foundation for the formation of Pingyi basin.The southeast part of Mengshan fault has been sinking from Cenozoic.It will provide space for sedimentary of strata in lower Tertiary Guanzhuang group.Thus,Pingyi basin has become a favorable location for the formation of gypsum deposits.Through constrast of chemical composition of rock and analysis on material sources,it is regarded that gypsum deposits in Pingyi basin are multi-material and multi-stage continental salt evaporite basin. |
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| Keywords: | Gypsum deposit geological characteristics origin study Pingyi basin |
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