板块聚合活动带及其研究

ACTIVE CONVERGENCE BELT AND IT'S STUDY OF PLATES

板块构造观的中心思想是；全球构造和地壳演化由岩石圈板块相互作用而引起，不存在构造作用的全球共同时空性。大陆造山带是古板块构造研究的重要区域，研究时应首先区别出稳定和活动两类不同的地壳构造类型，分别针对其特点进行侧重不同的研究。板块聚合活动带的重点问题是：（１）识别和研究夹杂其中的构造块体；（２）区分和恢复次级聚合活动带；（３）复原次级聚合活动带中不同性质地质体的原始状态。板块聚合活动带研究是从其组成的物质基础（沉积、岩浆建造）和变形动力学着手，综合生物古地理、大陆边缘沉积学、古地磁、地球物理等学科的成果，总结构造演化规律，建立具体板块聚合活动带的地质演化模式。

Plate tectonics focuses that global tectonic and crustal evloution is caused by-interction of lithospheric plates,and no global tctonic movements occur at the same time and same space Continental orogeny is a major area for the study of palaeo-plate tectonics and the stable and active crusts should be differentiated first. The major problems for the study of active convergence belts of plates need to be solved as follows: ①differentiate and study the tectonic blocks which are included in the active zone;②differentiate and reconstruct the secondary active convergence belts;③reconstruct different geological bodies in the active zone. The study should start from sedimentary and magmatic formation and deformational dynamics,and combine the results of biogeography,continental margin sedimentology, palaeomagnetism and geophysics, and finally summarize the law of tectonic evolution and set up the model of geological evolution of active convergency belts of plates