It is believed that Wumishan cyclothems were formed in the sedimentary environment change, i. e. water depth changed from shallow to deep, then to shallow, and to be instantaneously exposed at last.
认为雾迷山旋回层为沉积环境的水深由较浅—较深—较浅—暴露条件下的沉积,可能代表真正的沉积旋回;
The Upper Jurassic is generally exposed. In the area, the water depth evolved from shallow to deep from the Early Jurassic to the Middle Jurassic.
上侏罗统普遍被剥蚀。早一中侏罗世盆地经历了水体由浅到深的沉积演化。
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