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si chuan tian quan - lu shan xi bu di dai bai zuo ji li yan yan rong fa yu gui lv tan tao
Author(s): 
Pages: 35-37
Year: Issue:  1
Journal: Hydrogeology and Engineering Geology

Keyword:  砾岩岩溶地质构造溶蚀洼地过渡地带低山丘陵落水洞高山峡谷芦山县岩溶发育天全县;
Abstract: <正> 四川天全—芦山西部地带出露一套白垩纪灰质砾岩、岩溶较发育。据调查,砾岩岩溶发育与其特定的自然地理环境和地质构造条件息息相关。现将砾岩岩溶发育特征及其形成因素试作如下分析。 一、自然地理环镜 天全到芦山一带为一小盆地,处于四川省盆地的西缘、属低山丘陵向高山峡谷过渡地带,高程在800
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