Rock layers containing diamond, jadeite found in Yunnan

15:03, November 22, 2010      

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Rock layers that may contain diamond and jadeite were recently discovered in south-central China's Yunnan Province, said Li Lianju, deputy director of the Yunnan Department of Land and Resources, in an interview with China News Service on Nov. 18.

Li said that Yunnan has so far found over 50 types of gemstones, such as the world-renowned rubies, sapphires, aquamarines, emeralds, tourmalines, Huanglong jade and Xiuyan jade in more than 200 deposits. Rock layers with the same geological structures as diamond and jadeite deposits were recently found in some areas of the province, indicating that two new members, namely the diamond and jadeite, will likely join Yunnan's large family of gems.

The collision between the Indian and Eurasian plates as well as long-term, multi-stage crustal movements contributed much to Yunnan's unique geological environment. Furthermore, as the world-class Tethyan Metallogenic Belt and the Yangtze Metallogenic Belt also meet in the province, Yunnan has become extremely rich in gemstones, ornamental stones and building stones, with both the amount and types of these stones ranking among the highest in China.

Li said that based on its unique advantages in resources, markets, geography, and culture, Yunnan may become the home to the largest family of gemstones in China and finally evolve into the world's stone cultural center.

By People's Daily Online


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