峨眉山玄武岩区地质灾害的地质约束——以贵州省水城县为例

doi:10.13686/j.cnki.dzyzy.2023.02.015

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Abstract Basalts in Guizhou Province carry great hidden danger of geohazards, although they account only for 2.08% of the total area. Due to the dense coverage of vegetation, it is often difficult to identify and prevent the hidden and sudden geological disasters effectively in these basalt areas. Taking Shuicheng County as an example, the paper uses ArcGIS for the superposition and systematic analysis of various geohazard hidden point data as well as geological and geographic information in the basalt areas. Combined with the large scale field investigation and verification, it is concluded that the constraint of geohazards in the basalt areas of Shuicheng County is obvious. The main hidden geohazards in the area include soil-rock dual structure landslide, unstable slope and risk slope, which are distributed in the intersection of NW fold structure wing and NW and NE fault-fold structure. The terrain in the area is relatively gentle, rich in land resources and distributed with multiple natural villages. The endogenous and exogenous conditions of basalts affect the weathering degree, and the weathered soil is extremely sensitive to the environment due to its physical and mechanical properties.

Key words： Emeishan basalt geohazard geological constraint Guizhou Province

Received: 25 March 2022

PACS:

P642.2

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	Articles by authors
	CHEN Jing
	KUANG Zhong
	DENG Wei-wei
	XU Lin-jiang

Cite this article:

CHEN Jing,KUANG Zhong,DENG Wei-wei等. GEOLOGICAL CONSTRAINT OF GEOHAZARDS IN EMEISHAN BASALT AREAS: A Case Study of Shuicheng County in Guizhou Province[J]. GEOLOGY AND RESOURCES, 2023, 32(2): 238-244.

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http://manu25.magtech.com.cn/Jweb_dzyzy/EN/10.13686/j.cnki.dzyzy.2023.02.015 OR http://manu25.magtech.com.cn/Jweb_dzyzy/EN/Y2023/V32/I2/238

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