First, the name of the early Jinsha River. Jinsha River is the upper reaches of the Yangtze River, winding out from the Qinghai-Tibet Plateau. During the Warring States Period, the Jinsha River was named Heishui, which came from the book Gong Yu. In the Eastern Han Dynasty, Jinsha River was named after flooding. During the Three Kingdoms period, Jinsha River was also called Lushui. In Zhuge Liang's Liezi, there are? Crossing the river in May, can you go deep and barren? In this sentence, Lu is the Jinsha River. Jinsha River also has many names, such as Shuisheng, Lishui and Shenchuan.
In the Song Dynasty, the name of Jinsha River was gradually frozen, because there were many placer gold in the river, and the sediments in the river were yellow. There are poems to prove the authenticity of the Jinsha River's capture of placer gold. Jiang people say that hard work is hard work, and a grain of gold is a grain of yellow sand? , from the poem "Slogan by the Jinsha River". In addition, the name of Jinsha River also conforms to the meaning named by the ancients. Generally, the ancients used reference objects to name them. For example, Shandong and Shanxi took Taihang Mountain as reference objects, and Henan and Hebei took the Yellow River as reference objects.
Second, the content of placer gold in Jinsha River. Jinsha River originates from Tanggula Mountain, meanders down, and there is a huge gap between the current and the water surface. In Yunnan, Jinsha River tends to be gentle, but it is limited to Shigu. Therefore, a lot of sediment can be deposited in this area, which is convenient for people to collect sand and gold. According to the records in the yuan dynasty history, the local government hosted a large-scale gold rush and transported the extracted gold to the capital for royal use. Southwest China has rugged terrain and frequent geological activities, which is easy to produce high-value mineral deposits, such as gold and jade. At that time, there were specific trading places in Yunnan for people to buy and sell gold and jade. Today, in Myanmar, there are still many miners, including many people from Chinese mainland, who pursue wealth and sell jade.