本文所指的“潮汕平原”是韩江和榕江三角洲潮州——揭阳一线以南部份。 一、潮汕平原的断裂格局及断块分区 潮汕平原的断裂主要有北东向和北西向两组。前者自北向南有潮州——揭阳断裂、磷溪——关埠断裂和樟林——汕头断裂;后者有韩江断裂、古巷——澄海断裂、玉滘——下蓬断裂、榕江断裂等。此外还有东西向断裂(图1)。 This article refers to the “Chaoshan Plain” is the Hanjiang and Rongjiang Delta Chaozhou - south of Jieyang line. First, the fracture pattern of the Chaoshan Plain and fault block zoning The main faults in the Chaoshan Plain are North East and North West two groups. The former includes Chaozhou-Jieyang fault, Phosphoric-Guanbu fault and Zhanglin-Shantou fault from north to south. The latter includes the Hanjiang fault, Guxiang-Chenghai fault, Yuhuang-Xiapeng fault, Rongjiang fault Fracture and so on. In addition there is east-west fracture (Figure 1).