Being a part of Jiaoliao anteclise,Jiaodong peninsula comprises from north to so uth three second-order tectonic units,namely Jiaobei uplift,Jiaolai (depression ) basin and Jiaonan uplift.

• 胶东是我国重要产金基地，多年来已在胶北隆起寻找到破碎带蚀变岩型（焦家）和石英脉型（玲珑）金矿近千吨，近年来又在胶莱盆地东北缘找到了蓬家夼和发云夼金矿床。