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Dou Lanbeikeliang Sceneic Area
Dulan Top 5 in Can't Miss Attractions

Address: Dulan County, Haixi Mongolian and Tibetan Autonomous Prefecture, Qinghai Province
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What people are saying:

It is not uncommon to see shells on the beach, but it is a bit strange to see shells on the Qinghai-Tibet Plateau that should have appeared on the beach, and they are still large. There is such a shell in the wilderness of Dulan County in the Qaidam Basin, Qinghai. The locals call it Shell Liang. The shell beam can only be regarded as a small hill, about 2 kilometers long and 70 meters wide, covered with hundreds of millions of large and small shells. The surface of the shell is covered with a thin layer of saline-alkali soil. After excavation, it has been dug down for 20 meters, which is a layer of shell accumulation. This is the largest paleontological strata discovered in our inland basin so far. These shells, the big one is the size of a coin, the small one is the size of a thumb, are mixed with the sand of the saline-alkali soil. Seeing a piece of white from a distance, it is still very spectacular when you come closer. According to geologists, the Qaidam Basin was still a vast ocean, the ancient Tethys Sea, hundreds of millions of years ago. Later, the seabed uplifted into a plateau during the orogeny, and some people speculated that these shells were left at that time. However, local geologists in Qinghai denied this claim. Their research showed that the shell beams were formed about 150,000 years ago. The shape of these shells is no different from the current shells, and they are not left over from ancient times. Although there is no exact study to confirm the source of these shells, the geological changes of the vicissitudes of life are indisputable facts. This place must have been a place with abundant water and grass in the past.

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