日本海南部地区的地质和构造运动Ｈ．Ｙａｍａｍｏｔｏ日本海南部地区的地质构造可根据海底地形特征及地震反射剖面而了解，因为地形特征和地层的上超和顶超界限被认为与该区的构造运动密切相关。该区海底地质构造的主要格架特征是：（１）东西向褶皱；（２）向北西的掀斜... Geological and tectonic movements in the southern part of Japan. The geological structure of Yamamoto in the southern part of Japan is known from the features of the seafloor topography and seismic reflection profiles because the topographic features and overburden of the strata above and beyond the top are believed to be closely related to the tectonic movement in the area. The main geological features of the seabed geological structure in this area are: (1) east-west folds; (2) tilting northwest ...