论文部分内容阅读
川北前塞武系主要出露在广元县以东的盐井河至南江县东北碑坝一带。解放前,侯德封、杨敬之曾到过本区,著有研究报告。解放后,四川某普查队及第三区测队先后在本区进行工作。由于本区前寒武系的层序尚未获得统一的认识,笔者于1961年5月初至7月底,在南江县杨坝、坪河及旺苍县大河坝等地测制了前寒武纪地层剖面,并
The former Ksitigarbha in the northern part of Sichuan Province was mainly exposed from the salt well to the northeast Beiba dam in Nanjiang County, east of Guangyuan County. Before liberation, Hou De Feng, Yang Jingzhi had been to this area, with a research report. After the liberation, a survey team in Sichuan and the third district team has worked in this area. Due to the unanimous understanding of the Precambrian sequence in this area, the author measured the Precambrian strata in early May 1961 to the end of July in places like Yangba, Pinghe and Dacanba in Wangcang County in Nanjiang County Section, and