CAJ | 학술논문

川西甘孜-理塘构造带内新发现了一套由山间坳陷盆地陆相基性火山岩、海陆交互相碎屑岩和浅海台地相碳酸盐岩建造组成的侏罗系.本文介绍了这套侏罗系的岩石学、古生物学和年代地层学的特征,并与四川盆地及滇、藏、青地区的侏罗系进行区域对比分析,认为川西侏罗系与西藏及中东地区阿拉伯地块海相侏罗系具一定可对比性,川西地区至少在晚侏罗世已属统一的欧亚大陆的组成部分.
천서감자-리당구조대내신발현료일투유산간요함분지륙상기성화산암、해륙교호상쇄설암화천해태지상탄산염암건조조성적주라계.본문개소료저투주라계적암석학、고생물학화년대지층학적특정,병여사천분지급전、장、청지구적주라계진행구역대비분석,인위천서주라계여서장급중동지구아랍백지괴해상주라계구일정가대비성,천서지구지소재만주라세이속통일적구아대륙적조성부분.
The newly-discovered Jurassic strata in the Garze-Litang structural zone, western Sichuan mostly consist of a succession of intermountain basin-continental basic volcanic rocks, mixed marine-continental clastic rocks and shallow-marine platform carbonate formations. The authors in this study give a detailed description of petrography, palaeontology and chronostratigraphy of the Jurassic strata and their correlation with those in the Sichuan Basin, Yunnan, Xizang and Qinghai. The Jurassic strata in western Sichuan may well be compared with those in Xizang and even in the Arab block of Middle East, indicating that the western Sichuan areas are part of the Eurasian continent at least during the Late Jurassic.