On May.3rd , Leye and Fengshan counties made an investigation into the Permian-Triassic geological section in Waili village. During the investigation, the experts identified the distribution features of Permian fossils, the deposit evidences of clay layer about the great extinction of species happened in Late Permian and geological features of the Triassic stylolite. They thought the profile would provide a strong evidence for integrating the two counties in geology and be a scientific guarantee for publicity and sustainable development.
It is known that the strata was confirmed as the world-class geological heritage by geologists. After nearly a decade of united research by the paleontological researchers from China, USA, Switzerland, France, and Germany, the profile and fossil group have been confirmed with great imprtance because they recorded the late Permian mass extinction event clearly with the age of 252.25 million years old.
After the expedition, the related leaders emphasized that we need to built construction infrastructures to protect this important geological heritage more quickly.
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