摘要
镇宁片区为三叠世地层相变区,根据最新区域地质资料分析,区内三叠系下统罗楼组地层与以往1:20万地质资料有较大的出入,岩性差异较大,富水性及地下水赋存规律不明,百姓饮用水不足,地下找水困难。针对上述问题,实际工作中采用了地层剖面实测、水文地质调查、岩溶洞穴调查等手段,对罗楼组地层的岩性、富水性、岩溶发育及地下水赋存规律进行了重新划分研究,通过水文地质钻探验证罗楼组地层地下水赋存规律。研究及实践结果对镇宁片区乃至红水河流域该地层富水性划分及地下找水具有借鉴意义。
The Zhenning region is a Triassic sedimentary facies change zone. According to the last regional geological and hydrogeological survey, the Lower Triassic Luolou Formation is characterized by obvious lithologic difference and unknown water-rich property of water-bearing beds and groundwater occurrence which makes searching for underground water very difficult. This study finds out lithology, water-rich property,karstification development and groundwater occurrence of the Luolou Formation by means of surveyed geological profile, hydrogeological survey and drilling, and makes water rich division and puts out water search direction.
引文
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