西湖还只是处于扬子古陆南部边缘的一处拗陷地带。
West Lake situated in the depression zone on the margin in the south of the Yangze old landmass.
黑沟一栾川大断裂，限定了古华北板块南部活动大陆边缘的边界。
The major disruption of Heigou-Luanchuan has determined the active continental margin of the ancient north China plate.
在泥盆纪期间，龙门山构造带北段位于上扬子古陆的西北边缘。
During the Devonian period, northward of Longmen Mountain structural belt is located in northwest border of Up Yangtzee Ancient Land.
这一弧后盆地的形成与沿西金乌兰湖—空喀山口至乔戈里峰一线的古特提斯洋盆的扩张及向北俯冲、消减相联系，构成了塔里木板块南部晚古生代活动大陆边缘。
The formation of this back arc basin was related to the spreading and northward subduction of the Paleo Tethys oceanic basin along the line from the Xijir Ulan Lake K…
这一弧后盆地的形成与沿西金乌兰湖—空喀山口至乔戈里峰一线的古特提斯洋盆的扩张及向北俯冲、消减相联系，构成了塔里木板块南部晚古生代活动大陆边缘。
The formation of this back arc basin was related to the spreading and northward subduction of the Paleo Tethys oceanic basin along the line from the Xijir Ulan Lake K…
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