5 Wulff net projection(lower hemisphere)for recent tectonic stress tensorsin area from the Haiyuan-Luipanshan fault zone to Yinchuan fault-depression.

• 标题： 图5海原、六盘山断裂带至银川断陷之间第四纪后期(现代)构造应力张量赤平投影(下半球) Fig.