直流电测深法在沿海平原区地质填图中的应用——以苏北盆地连云港灌云地区为例

田少兵, 李向前, 尚通晓, 欧健, 张大莲

The application of direct-current sounding method in the coastal plains: A case study of Guanyun area in Lianyungang

Shao-Bing TIAN, Xiang-Qian LI, Tong-Xiao SHANG, Jian OU, Da-Lian ZHANG

图4 AA'剖面电测深解释剖面 a—电测深反演电阻率剖面;b—结合钻孔推断简易地层剖面;1—测点;2—推断地层界面;3—推断基岩顶界面;4—黏土与淤泥质黏土层;5—黏土与砂互层;6—黏土层;7—黏土夹砂层;8—砂层;9—变粒岩;10—砂岩与泥岩

Fig.4 DC interpretation profile of AA' a—resistivity profile of DC inversion; b—the inference of simple strata profile based on drillings;1—measuring point; 2—inferred strata interface; 3—inferred bedrock surface; 4—clay and silt clay layer; 5—clay and sand interbedded layer; 6—clay layer; 7—clay layer containing a small amount of sand; 8—sand layer; 9—granulitite; 10—sandstone and mudstone