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LIU Junping, HU Shaobin, TIAN Sumei, LU Xiaoping, SUN Baidong, YU Saiying, ZHU Xunzao, SUN Peng, WANG Xiaofeng. 2019: U-Pb ages of zircon from metamorphic dolomite of the Wuliangshan Rock Group in Nanjian area, western Yunnan, and its tectonic significance. Geological Bulletin of China, 38(8): 1327-1334.
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The Wuliangshan Rock Group, which is widely exposed in the Nanjian-Yunxian area of western Yunnan, is a set of low and medium metamorphic sedimentary rocks intercalated with volcanic rocks closely related to the Sanjiang Tethys orogenic belt. Its formation age, sedimentary filling sequence and tectonic attributes have been controversial. The Wuliangshan Rock Group, exposed in Gonglong County and Nanjian County, has a metamorphic ananite intercalation several centimeters thick. The zircon U-Pb LAICP-MS dating of the metamorphic andesite Sample was carried out, and the magmatic crystallization age of 428.7±8.7Ma and the metamorphic age of 338~387Ma, 250.5 ±8.1Ma and 146.0 ±6.0Ma were obtained respectively. It is considered that the original sedimentary rocks of the Wuliangshan Rock Group were formed in Silurian and experienced regional metamorphism in the Palaeozoic arc forming process during the Paleo-Tethys Ocean subduction and thermal metamorphism in the Cretaceous period due to thermal events. At the same time, the single grain ages of 2034±22Ma, 1140±16Ma, 731±15Ma and 469~522Ma were obtained, which can be compared with the Precambrian, Paleozoic tectonic caloric event ages and distribution characteristics obtained from the western margin of the Yangtze block. It underwent the formation and breakup of Columbia, Rodinia and Gondwana supercontinent.
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| 1. |
严辉. 福建省宁化县地质灾害分布规律与发育特征研究. 安徽建筑. 2025(01): 127-131 .
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安全，李亮，邢愿，黄广才，韦瑾. 基于多源遥感数据的区域地质灾害风险评价——以贵州省纳雍鬃岭煤矿区为例. 贵州地质. 2024(01): 80-91 .
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陈宾，魏娜，张联志，李颖懿，刘宁，屈添强. 基于斜坡单元灾害强度的滑坡灾害易损性评价——以湖南省湘乡市为例. 中国地质灾害与防治学报. 2024(02): 137-145 .
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周夏飞，周胜森，徐翔宇，解明礼，徐泽升，曹国志，王鲲鹏. 长江上游地质灾害次生突发水污染风险分区研究. 中国环境科学. 2024(07): 3999-4008 .
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刘前进，邓必荣，何文城. 基于时间与规模概率的地质灾害危险性研究. 南昌工程学院学报. 2024(04): 63-68 .
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王华锋，陈洪海，贾琛，马龙，亓贞才，张晓飞，马建伟，张晔. 基于GIS分析的鲁中南低山丘陵区地质灾害风险评价. 山东国土资源. 2024(10): 66-72 .
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武杨. 斜坡单元支持下赣西山区典型乡镇地质灾害风险评价. 地理空间信息. 2024(10): 117-120 .
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林高聪，刘欢，王洪磊，潘书华. 不同比例尺度下的地质灾害风险评价分析——以湖南黄溪口镇为例. 中国地质调查. 2024(06): 100-110 .
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袁维军，王亚明，邵兆伟. 韧性视角下国土空间灾害风险评估实证研究. 智能城市. 2023(01): 57-62 .
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李彧磊，熊启华，龙婧，王芮琼，陈标典，曾嘉. 基于斜坡单元鄂西山区典型集镇地质灾害风险评价. 科学技术与工程. 2023(06): 2326-2338 .
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井川，张秀娟. 生态环境保护区域的地质灾害气象风险预警系统. 能源与环保. 2023(04): 32-38 .
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赵东旭，龙奇勇，彭军，柳翠明，李奇，陈可蕴. 多源地理时空数据辅助房屋建筑承灾体调查研究. 工程勘察. 2023(11): 69-73 .
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尹飞. 基于差分进化算法的水工环地质灾害危险性评估方法研究. 环境科学与管理. 2023(12): 190-194 .
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王守沛，高攀，咬登魁. 安徽省崩滑流地质灾害风险评价研究. 安徽地质. 2023(04): 289-291+335 .
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张伟明，梁海滨，李琦，伍颖. 城镇燃气管网地震易损性评估指标体系研究. 煤气与热力. 2023(11): 1-12 .
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许泰，鄂崇毅，蒋兴波，郜云峰，付利钊. 永登县苦水镇地质灾害风险性评价. 防灾科技学院学报. 2022(01): 42-53 .
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| 17. |
黄丽达，邓青，陈建国. 国家安全系统风险评估研究. 武汉理工大学学报(信息与管理工程版). 2022(02): 173-181 .
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| 18. |
陈昊东. 甘肃省环县天池乡干沟不稳定斜坡地质灾害特征及治理研究. 资源信息与工程. 2022(03): 115-117 .
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| 19. |
龚凌枫，徐伟，铁永波，卢佳燕，张玙，高延超. 基于数值模拟的城镇地质灾害危险性评价方法. 中国地质调查. 2022(04): 82-91 .
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| 20. |
邹凤钗，邹银先，陶小郎，吕东. 基于GIS分析的万山区地质灾害风险评价. 贵州大学学报(自然科学版). 2022(06): 117-124 .
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