For the great interval of time between the Variscan orogeny and the Upper Jurassic and Cretaceous, the little evidence of the geological history comes from outwith the map sheet area.

• 对于华力西造山运动与上侏罗纪再到白垩纪这一大时间跨度期间，从地图图幅区域之外了解不到多少地质历史的相关证明材料。