对怀远运动的再认识  

Re-recognization of Huaiyuan Movement

作　　者：宋奠南 

机构地区：[1]山东省第七地质矿产勘查院,山东临沂276006

出　　处：《山东地质》2001年第1期19-23,51,共6页Geology of Shandong

摘　　要：怀远运动是华北地台早古生代一次重要的区域性构造运动。以往的地质研究仅局限于其构造剥蚀面。依据鲁西及邻区的区域地质调查成果 ,认为怀远运动经历了一个较长时期(中寒武世张夏期→早奥陶世大湾期 )的发展过程 ,可分为三山子组白云岩形成→隆起剥蚀→马家沟组底部同生构造角砾岩的形成→滑褶带的产生等四个阶段 ,文中对该运动的形成机制作了探讨。According to recent regional geological survey and research achievements, it is put forward that Huaiyuan movement is an important regional tectonic movement of Huabei platform in early Palaeo-proterozoic period. It underwent a long developing history (from Gushan stage in Neo-Cambrian to Dawan stage in early Ordovician), and can be divided into four phases as: dolomitite in Sanshanzi formation→uplift and denudation→syngenetic structure breccia in the bottom of Majiagou formation→slip fold form. The forming mechanism of this movement has been discussed as well.

关 键 词：怀远运动 区域性隆起剥蚀 华北地台 早古生代 形成机制 白云岩化作用 

分 类 号：P542[天文地球—构造地质学]