湖口、彭泽位于江西省东北部,鄱阳湖出口东北边,长江南岸。在大地构造单元划分中,属下扬子准地槽与江南台背斜接界处~[1]。区内老地层为前震旦系一套浅海相泥沙质碎屑岩,寒武系薄层泥质灰岩,泥盆系浅海相的砂页岩等组成本区南部及北部沿江一带的低山 Hukou, Pengze is located in the northeast of Jiangxi Province, Poyang Lake exports northeast, south bank of the Yangtze River. In the division of tectonic units, the subordinate Yangtze sub-terrane and Jiangnantai anticline at the junction ~ [1]. The former strata in the area are the former Sinian system of a set of shallow marine sediment clastic rocks, Cambrian thin-bedded argillaceous limestone and Devonian shallow-sea sand shale, which make up the low mountains in the south and north along the river