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Regional Geological Evolution Process Briefly

2015-03-23 11:39 | Author:gzzjd | Reading:amount |

From Paleozoic era 400 million years ago to Mesozoic era 220 million years ago, the region where the geopark is located used to be a vast expanse of sea; after nearly 200 million years' sedimentation and diagenesis, carbonatite stratum with nearly one kilometer in thickness has been formed. Since then,as the Yanshan movement and Himalayan movement happened in succession, regional crust recoiled, and gradually  uplifted to form inland plateau, which established the primary profile of this region’s geological structure and plateau karst landform.
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