| 雪峰山西侧海相碳酸盐岩沉积间断古岩溶发育规律研究 |
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| 引用本文： | 张庆玉, 梁彬, 陈宏峰, 曹建文. 雪峰山西侧海相碳酸盐岩沉积间断古岩溶发育规律研究[J]. 石油实验地质, 2011, 33(3): 285-288. doi: 10.11781/sysydz201103285 |
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| 作者姓名： | 张庆玉 梁彬 陈宏峰 曹建文 |
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| 作者单位： | 中国地质科学院岩溶地质研究所, 广西桂林541004 |
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| 基金项目： | 国家重点基础研究发展计划(973计划)项目，中国地调局地质调查项目 |
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| 摘 要： | 雪峰山西侧地区加里东期不整合面表现为寒武系牛蹄塘组与震旦系灯影组不整合及上寒武统与奥陶系之间的假整合。由于研究区经历了多期的构造运动,形成了多个区域不整合面,不同时期不同沉积间断的时间长短控制了碳酸盐岩岩溶发育的强度,发育的岩溶缝洞系统的充填程度进而影响了其连通性。不整合面在研究区内出露相对较少,该文主要针对野外调查发现的两处典型露头,即牛蹄塘组—灯影组、上寒武统—下奥陶统之间的不整合面对古岩溶的控制性作用进行分析研究。
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| 关 键 词： | 古岩溶 沉积间断 不整合面 碳酸盐岩 雪峰山西侧 |
| 收稿时间： | 2010-05-06 |
| 修稿时间： | 2011-05-29 |
Generation principle of ancient karst in marine carbonate rock hiatus, west of Xuefeng Mountain |
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| Zhang Qingyu, Liang Bin, Chen Hongfeng, Cao Jianwen. Generation principle of ancient karst in marine carbonate rock hiatus, west of Xuefeng Mountain[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2011, 33(3): 285-288. doi: 10.11781/sysydz201103285 |
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| Authors: | Zhang Qingyu Liang Bin Chen Hongfeng Cao Jianwen |
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| Affiliation: | Institute of Karst Geology, CAGS, Guilin, Guangxi 541004, China |
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| Abstract: | During the Caledonian Movement,the Cambrian Niutitang-Sinian Dengying and Upper Cambrian-Ordovician parallel unconformities were found in the west of Xuefeng Mountain.Due to multi-stages of tectonic movements,several regional unconformities were formed in the study area.During different stages,the duration of sedimentary hiatus controlled the generation of carbonate rock karst,and further controlled connectivity.The unconformities seldom outcropped in the study area.Two typical outcrops from field works were studied and the controls of Niutitang-Dengying and Upper Cambrian-Lower Ordovician unconformities on ancient karst were analyzed. |
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| Keywords: | ancient karst sedimentary hiatus unconformity carbonate rock west of Xuefeng Mountain |
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