Abstract
During a certain geological period, the sea surface is at the current elevation of about 4746-4755 meters. When the sea surface is about 4746-4755 meters above sea level, the Namtso region of Tibet is a lagoon in the sea. The sea surface was kept stable at the above location for a long time, and a lot of sea erosion landforms were generated on the coast. The ancient sea erosion caves, sea erosion pillars, sea erosion arch bridges, sea erosion headlands, sea erosion headlands, sea erosion cliffs, sea erosion platforms and other various ancient sea erosion micro-landforms are well preserved on the banks of Namtso Lake. It is a unique and natural ancient coastal landscape park in the world
Highlights
Namtso is the second largest lake in Tibet and the third largest saltwater lake in China. " Namtso " is Tibetan, and the Mongolian name is "Tengge Lihai", which means "Tianhu"
By consulting various measurement data and judging from the topographic maps, during the formation period of the Namtso ancient sea landform described in this article, the sea surface of the Namtso area was approximately between 4746 and 4755 meters from the current sea level
Bamcuo, Pengcuo, Cuohu, and the Naqu and Nujiang waterways are only connected to the open sea. It is precisely because the sea surface is located at a position of about 4746 meters to 4755 meters in the current sea, Namco is a lagoon connected with the sea, and the above-mentioned ancient sea erosion landforms of Namtso can confirm the identity of the sea erosion landforms
Summary
Namtso is the second largest lake in Tibet and the third largest saltwater lake in China. " Namtso " is Tibetan, and the Mongolian name is "Tengge Lihai", which means "Tianhu". The surface of Namtso Lake is 4718 meters above sea level, more than 70 kilometers long from east to west, more than 30 kilometers wide from north to south, and an area of about 1920km. The author has been devoted to the study of ancient sea erosion landforms of the earth since 2004. In 2019, the author discovered the wellpreserved sea erosion landforms of the ancient geological period on the shore of Lake Namtso. The ancient sea erosion landforms in Namtso are rich in number, complete in variety, mature in development, and beautiful in shape. They are rare and precious resources for studying the history of land and sea changes in the Qinghai-Tibet Plateau and even the world. There are abundant sea caves on the sea erosion cliffs on the coast
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