Dalian discovered that high-purity large diamond mines can be mined for 20 years.

On January 20, Yu Wenli, member of the Political Consultative Conference of Liaoning Province and director of the Provincial Bureau of Geology and Mineral Exploration, revealed that a large diamond mine was discovered in the Wafangdian area of ​​Dalian, which has become the only large-scale diamond deposit in China in the past 30 years. The 210,000-carat jewel is more pure than the world's most famous South African diamond mine.

Yu Wenli said that last year, when the geology and mining department conducted mineral exploration in the Wafangdian area, it discovered signals from the underground, and initially determined the existence of diamond deposits after soil analysis.

According to the data currently available, the diamond mine has a reserve of about 210,000 carats and is a large diamond mine. This diamond mine can be mined for about 20 years at the current mining rate.

It is understood that China's diamond mines are mainly distributed in the Wafangdian area of ​​Dalian, Liaoning Province and Shandong Province, in which the diamond reserves in the Wafangdian area account for about 54% of the country.

Experts say that the diamond mines in the Wafangdian area are high-quality minerals, with diamonds above the gem level reaching 70%; Australia, the world's number one diamond reserve, is only 5% of the gem grade.

According to the information from the Liaoning Provincial Bureau of Geology and Mineral Exploration, the diamonds in the Wafangdian area are world-class high-quality minerals, even better than the diamond mines in South Africa. The diamonds above the gem level reach 70%, and the new mines discovered this time. The purity of the gemstone will be high.

Background information: The main component of diamond ore is carbon, which is usually formed in the mantle, and these diamonds and gemstones need certain geological movements from the mantle to the surface.

400 million years ago or even earlier, diamond mines formed diamonds and gemstones under the high temperature and high pressure of the mantle. The area where the Wafangdian was located experienced many crustal folds, which pushed the diamonds in these mantles to the surface. That is to say, the magma acts as a vehicle to move the diamond to the upper part of the earth's crust to the surface, thus forming a large-scale diamond deposit.

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