韩艳,罗培,陈俊伊,陈秋艳,张凤秋,文星跃.四川盆地北部方山地区砂岩洞穴特征、成因分析——以四川营山地质公园为例[J].西北地质,2020,53(1):243-253 HAN Yan,LUO Pei,CHEN Junyi,CHEN Qiuyan,ZHANG Fengqiu,WEN Xingyue.Characteristics and Geomophogensis on Sandstone Cavesin Fangshan Area of the Northern Sichuan Basin——a Case of the Sichuan Yingshan Geological-park[J].Northwestern Geology,2020,53(1):243-253
四川盆地北部方山地区砂岩洞穴特征、成因分析——以四川营山地质公园为例
Characteristics and Geomophogensis on Sandstone Cavesin Fangshan Area of the Northern Sichuan Basin——a Case of the Sichuan Yingshan Geological-park
投稿时间:2019-08-08  修订日期:2019-09-04
DOI:10.19751/j.cnki.61-1149/p.2020.01.023
中文关键词:  砂岩洞穴;四川盆地北部;方山地区;莲花状构造;特征成因
英文关键词:Sandstone caves;the Northern Sichuan Basin;Fangshan area;lotus-formed structure;characteristics and geomophogensis
基金项目:国家级大学生创新创业训练计划项目"川东北蓬莱镇组砂岩洞穴群特征及成因分析——以拟建四川营山黑马山地质公园为例"(201810638038),四川省国土资源厅项目"基于旅游供给侧改革的地质遗迹保护与开发模式研究"(KJ-2017-8),国家自然科学基金项目"岷江上游地区晚第四纪环境变化的古土壤记录与古文化响应"(41671220),西华师范大学"地质遗迹保护与开发"科研创新团队(CXTD2016-4)
作者单位
韩艳 西华师范大学, 四川 南充 637002 
罗培 西华师范大学, 四川 南充 637002 
陈俊伊 西华师范大学, 四川 南充 637002 
陈秋艳 西华师范大学, 四川 南充 637002 
张凤秋 西华师范大学, 四川 南充 637002 
文星跃 西华师范大学, 四川 南充 637002 
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中文摘要:
      以四川盆地北部营山县的四川营山地质公园中蓬莱镇组砂岩洞穴为研究对象,在资料文献收集、野外考察的基础上,对研究区砂岩洞穴的分布和类型等特征进行了分析。利用地貌学的研究方法,采用导线法原理对洞穴进行测量,对研究区不同类型砂岩洞穴的成因进行了探讨。结果表明,莲花状构造背景下和缓的褶皱构造、构造裂隙和风化裂隙是该区域形成方山地貌乃至砂岩洞穴群的构造条件;蓬莱镇组含钙质长石砂岩夹泥页岩地层是洞穴发育的物质基础;砂岩中发育的裂隙水是水洞形成的重要水文地质条件;岩层差异性风化是旱洞形成的主要原因;岩溶作用、水解作用和崩塌作用是砂岩水洞形成的主要原因。
英文摘要:
      In this paper, the sandstone caves of Penglai formation have been taken as the research objects, which is located in Sichuan Yingshan Geological Park of Fangshan area of Northern Sichuan Basin. On the basis of data collection and field investigation, the distribution and types of sandstone caves in the study area were analyzed. Using the method of geomorphology, the caves are measured by wire method, this paper discusses the genesis of different types of sandstone caves in the study area. The results are as follows:The gentle lotus-shaped fold structured fissure and weathering fissure are the tectonic conditions for forming the Fangshan landform and the sandstone caves in this area; the calcareous arkose sandstone with shale in the Penglai formation is the material basis for the development of the caves; the fracture water developed in the sandstone is an important hydrogeological condition for the formation of water tunnel; differential weathering of rock layers is the main reason for the formation of dry caves; karstification, hydration and collapse are the main reasons for the formation of sandstone water tunnels.
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