对东北地区古生代几个重要时段地层古生物信息的区域构造学思考  

REGIONAL TECTONIC IMPLICATION OF THE PALEOZOIC STRATIGRAPHIC PALEONTOLOGY INFORMATION IN NORTHEAST CHINA

作　　者：张允平[1] 那福超[1] 宋维民[1] 刘英才[1] 赵雪娟[1] ZHANG Yun-ping;NA Fu-chao;SONG Wei-min;LIU Ying-cai;ZHAO Xue-juan(Shenyang Center of China Geological Survey,Shenyang 110034,China)

机构地区：[1]中国地质调查局沈阳地质调查中心,辽宁沈阳110034

出　　处：《地质与资源》2021年第1期1-13,共13页Geology and Resources

基　　金：中国地质调查局项目“太平洋构造域北段构造格架、演化历史研究和1∶250万构造图编制”(DD20160343-09);“古亚洲洋构造域东段构造格局、演化历史研究和1∶250万构造图编制”(DD20160343-08).

摘　　要：通过对中国东北地区古生代有关时段的地层古生物信息及其与古亚洲洋域的区域构造的关联分析认为,东北北部陆块群及毗邻褶皱带的古生代构造演化,属古亚洲洋构造域演化历史的一部分.晚志留世—早泥盆世后形成的小洋盆地具有构造叠加的属性.华夏与安哥拉植物群的迁移与混生信息暗示,西伯利亚与中朝板块之间的碰撞拼贴过程早于晚石炭世—早二叠世.二叠纪深水放射虫硅质岩的形成,可能与板块汇聚期间古“缝合带”活化的裂陷槽有关.Through analyzing the Paleozoic stratigraphic paleontology information in Northeast China and its correlation with regional tectonics of the Paleo-Asian Ocean,it is considered that the Paleozoic tectonic evolution of continental block group in the northern Northeast China and adjacent fold belts are parts of the evolution history of Paleo-Asian Oceanic tectonic domain.The small oceanic basins formed after the Late Silurian-Early Devonian have the property of tectonic superposition.The migration and intergrowth of Cathaysia and Angola flora indicate that the collision-collage between Siberian Plate and Sino-Korean Plate is earlier than the Late Carboniferous-Early Permian.The formation of Permian deep-water radiolarian siliceous rocks may be related to the paleo-suture zone-activated aulacogen during the plate convergence.

关 键 词：东北地区 古生代 地层古生物 区域构造 

分 类 号：P534.4[天文地球—古生物学与地层学] P548[天文地球—地质学]