| 1. | Scanning the formation - evolutionary histories of continental orogenic belts in both our country and whole workd , an orogenic belt has often undergone numerous and various tectono - evolutionary stages , such as palaeo - continental break - up , ocean - land transition , continental matching - collision , intracontinental extension - basin - range coupling , new tectonic uplift ( intracontinental orogeny ) , etc . , which are respectively companied with characteristic volcano - magmatism 纵观我国以至全球的大陆造山带形成-演化历史,一个造山带往往经历了古大陆裂解、洋陆转换、陆块拼合-碰撞、陆内伸展-盆山耦合和新构造隆升(陆内造山)等?多不同的构造演化阶段,这些不同的构造演化阶段和不同的构造环境均有特定火山岩浆作用与之相伴。 |