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青川县古城、关庄位于1∶20万广元幅西部,属后龙门山变质地层分布区,地质构造复杂。60年代初期,在1∶20万广元幅的地层研究及填图工作中曾遗留一些地质问题,因此与其后开展的1∶20万平武幅存在接图矛盾。现编的各种地质图,也都没能正确地反映本区的地质构造特征。笔者曾有幸在本区测制过部分地层剖面,现据各种原始资料重新编制该区地质略图(图一),并就有关地质问题讨论于后。
Qingchuan County, Guan Zhuang is located 1: 200000 Guangyuan West, belongs to Longmenshan metamorphic stratigraphic distribution, geological structure is complex. In the early 1960s, some geological problems had left behind in the 1: 200,000 Guangyuan amplitude stratigraphic research and mapping work. Therefore, there was a paradoxical conflict with the subsequent 1: 200,000-hk amplitude. Now compiled a variety of geological maps, but also failed to correctly reflect the geological structure of the area. I had the privilege of having made some stratigraphic profiles in this area. We have reorganized the geological map of the area according to various original sources (Figure 1) and discussed the relevant geological issues later.