A group of glacial deposit distributed widely in Qilian Mountain region has been researched and discussed in this paper. These moraines have kept their complete form, but were weathered strongly. The upper part of the moraines is covered by the recent till, while the lower part has inlaid on the base rock of the floor of the U-shaped valley, and came into and across the main U-shaped valley from branch valleys. Based on these facts,the author points out that this glaciation occurred after Wurm period, i. e....
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