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四川西北部龙门山中段地区的第四纪冰川作用,虽早巳引起人们的注视但并未作出确切的结论。本文试图以马角坝附近的若干宏观地质地貌现象为依据,对这一问题继续进行探讨。
The role played by Quaternary glaciers in the middle part of the Longmenshan Mountains in northwestern Sichuan Province has long attracted people’s attention but did not make any definite conclusions. This paper attempts to continue to discuss this issue on the basis of a number of macroscopic and geomorphological features near Majiaba.