地球科学进展 ›› 2015, Vol. 30 ›› Issue (6): 691 -699. doi: 10.11867/j.issn.1001-8166.2015.06.0691

研究论文 上一篇    下一篇

四川峨眉山地质遗迹及其地学意义
刘仲兰 1, 李江海 1, *, 姜佳奇 2, 于涵 3   
  1. 1. 造山带与地壳演化教育部重点实验室 北京大学地球与空间科学学院,北京 100871; 2.北京大学城市与环境学院,北京 100871; 3.中国城市规划设计研究院,北京 100044
  • 出版日期:2015-06-25
  • 通讯作者: 李江海(1965-),男,山西太原人,教授,主要从事地球早期构造演化、地质遗产评价与保护相关研究. E-mail:jhli@pku.edu.cn
  • 基金资助:

    国家重点基础研究发展计划项目“火山岩油气藏的形成机制与分布规律”(编号:2009CB219302)资助

The Geological Heritage of Mount Emei in Sichuan Province and Its Geological Significance

Liu Zhonglan 1, Li Jianghai 1, Jiang Jiaqi 2, Yu Han 3   

  1. 1. The Key Laboratory of Orogenic Belts and Crustal Evolution, Ministry of Education, School of Earth and Space Sciences, Peking University, Beijing 100871, China; 2. College of Urban and Environmental Sciences, Peking University, Beijing 100871, China; 3. China Academy of Urban Planning and Design, Beijing 100044, China
  • Online:2015-06-25 Published:2015-06-25

峨眉山在1996年与乐山大佛一同被列入世界自然与文化遗产名录,是自然和文化的双重遗产之地。其地质遗产以麦地坪震旦—寒武系国际层型参考剖面等典型地层剖面、新构造运动产生的峨眉山断块山等现代地貌以及独特的峨眉山玄武岩和峨眉山花岗岩为代表。以峨眉山风景区地质遗迹景观为基础,以上扬子地层分区的部分地层区域、四川盆地东缘断块山地貌单元为研究视角,构建峨眉山地质遗迹资源体系——包括5个大类、18个亚类共60余处地质遗迹景点;在峨眉山地质构造特征分析的基础上,对前人研究进行了总结,探讨了峨眉山风景区地质构造特征、地质遗迹资源体系类型与分布,以及地质遗迹的地学意义。研究表明,峨眉山风景区完整地层序列的出露是地质剖面类地质遗迹景观、古生物活动遗迹景观以及岩溶地貌景观的物质条件,新生代以来的强烈构造运动为构造地貌景观、水体景观等提供了外动力条件。峨眉山的地质遗迹研究在古生物与地层学、沉积学、地球深部动力学、构造学等方面具有重要科学意义。

Mount Emei, which was enrolled in the list of “World Natural and Cultural Heritage” together with the Giant Stone Buddha of Leshan Mountain in 1996, is not only a famous natural heritage, but also a cultural heritage. Mount Emei Scenic area, including Leshan Giant Buddha Scenic area is a dual inheritance of nature and culture. The geological heritage of Mount Emei is represented by the Maidiping Simian-Cambrian boundary section, various landform like fault block mountain Emei and specific Emeishan basalts and Emeishan granite. In this paper, we used the geological heritage resources in Mount Emei as the foundation, upper Yangtze block stratigraphic plot and block landform unit on the east margin of Sichuan Basin as the research visual angle, to construct a complete geological heritage resources system of Mount Emei, which is consisted of 5 categories, 18 subgroups, more than 60 geological heritage scenic spots in total. Based on the analysis of the geological structural features and the achievements in former scientific research, this paper investigated the geological structural features, types and distribution of geological heritage resources system and geologic significance of the geological heritage. The results indicated that complete stratigraphic sequence in Mount Emei was the material conditions of all kinds of geological section heritage, paleontological activity inheritance as well as karst geomorphologic landscape, and in the meantime, the strong tectonic movement since the Cenozoic provided the Neotectonic backgrounds of tectonic geomorphology, water landscape, etc. The research of geological heritage in Mount Emei has important geoscience significance in paleontology, stratigraphy, sedimentology, deep geodynamics and tectonics.

中图分类号: 

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