胶东半岛西北岸,指蓬莱、黄县、招远及掖县沿岸地区,海岸线长200余公里。 本区位于山东台背斜胶东台凸的北翼,主要是元古代的结晶变质岩系及古生代、中生代的花岗岩体构成了新生代沉积及地貌发育的地质基础。自燕山期运动以来,本区长期处于块断构造隆起、剥蚀阶段。 The northwestern coast of the Jiaodong Peninsula, referring to Penglai, Huang County, Zhaoyuan and Yexian coastal areas, the coastline of more than 200 kilometers. The area is located in the north wing of Dongtai convex in Shandong Province. It is mainly composed of Proterozoic crystalline metamorphic rocks and Paleozoic. Mesozoic granitoids constitute the geological basis of Cenozoic sedimentation and geomorphologic development. Since the Yanshanian movement, the area has been in a long-term block uplift and erosion stage.