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广东地块为我国东南沿海华夏系方向巨型构造带向西南延续的部分。同时又是南岭纬向构造带横亘穿越的地段。尤以前者最为显著。探索华夏系方向构造,无疑将有助于认识广东及其邻近地区地壳发育的主要历史图景,认识地壳运动的某些规律。对于华夏系方向构造概念的历史演绎、体系厘定和命名准则等问题,已有专文论述。本文仅就华夏系方向构造的主要特征、地史过程、动力作用方式等问题进行讨论。
The Guangdong block is part of the southwestern continuation of the giant structural belt in the Huaxia system along the southeast coast of China. At the same time, it is also a section that stretches through the Nanling weft belt. Especially the former is the most significant. Exploring the direction of the Huaxia system will undoubtedly help to understand the main historical picture of the crustal development in Guangdong and its adjacent areas and to understand some laws of the crustal movement. As for the historical deduction of the tectonic orientation of the Huaxia system, the problems of determining and naming the system have been discussed in the article. This article discusses only the main features of the direction of the Huaxia system structure, the geo-history process and the dynamic mode of action.