内蒙古河套地方性砷中毒区地质环境特征与成因探讨

论文通过对内蒙古砷中毒病区地质环境调查和防砷改水试验工作。从病区地质环境特征入手，系统分析了构造环境；第四纪地质环境水文地质环境，水化学环境，岩矿地球化学环境和古地理及生物化学环境等诸方面特征，对高砷的地质环境成因进行了探讨．得出十条高砷病区与地质环境之间的成因关系，认为高砷病区的形成与地质环境特征有着密切的成因联系．地方性砷中毒是在特定的地质环境条件下形成的。这对地方性砷中毒的形成、分布及防治具有一定的指导意义，亦为后期防砷改水提供了科学依据。

Geologic Setting Feature Meyallogenic Approach of IndemicArseniasis Area in Hetao,Inner Mongolia

On the basis of investigatiom of geologic setting and test work of arsenoc-proof and recreational water to arseniasis area in Inner Mongolia,the paper analysed sys-tematically such features as structural,Quaternary geologic,hydrogeologic,hydrochmical.lithogeological,paleogeographic,biogeochemical settings and so on. Therefore formation ofhigh-arsenic area is closely related with feature of geologic setting,and endemic arseniasisforms in the condition of special geologic setting.