本文是笔者在珠江口至红海湾沿岸进行第四纪地质、地貌和新构造调查的基础上,对活动断裂所作的初步分析。 一、活动断裂的形成和演变 该区位于莲花山断褶带的西南段,南缘濒临南海(图版I),主要构造线为北东和北东东向,它们是本区的主要构造成分,控制着本区的地貌和地质构造的演化。在漫长 This article is based on the Quaternary geology, geomorphology and neotectonic investigation conducted by the author from the Pearl River estuary to the Red Bay coast and the preliminary analysis of active faults. I. Formation and Evolution of Active Faults The area is located in the southwestern segment of the Lianhuashan fault fold belt, with the southern margin bordering the South China Sea (Plate I) and the main tectonic lines being NE and NE, which are the main tectonic components in this area. Controlling the evolution of geomorphology and geological structure in this area. In the long