摘要
研究了米仓山地区的大地构造，认为从宏观上，该区在垂直构造走向线方向上可以划分成米仓山杂岩体、杂岩体南缘的逆冲断裂带、复式单料构造带和雁列式前峰褶皱带等四个单元。根据构造地层地体理论，确定米仓山杂岩体为一个地体构造，其形成时代为前早晨旦世。在秦岭碰撞带不断向南挤压过程中，米仓山形成了塞子型造山带，并在米仓山的南缘发育了一套磨拉石建造，标志着周缘前陆盆地的存在。
he geotectonic structure of the Micang Monntain and its border area of Northern Schuan is studied. Baed on fleld obervation and analysis,four structural belts are divided:the Mi-ceng Mountain complex,a thrust fault belt,a complex mono-clinic structural belt and the echelon-fold belt.The Micang Mountain complex is a terrane formed in pre-sinian, the for-land basin is a peripheral basin,and the mountain building is similar to plug-type lifting.
出处
《河海大学学报（自然科学版）》
CAS
CSCD
1994年第1期53-57,共5页
Journal of Hohai University(Natural Sciences)
关键词
盆地
薄皮构造
米仓山
岩体
Terrane Plug-type mountain-building belt Peripheral forland thein Thin-skinned structure
