四川发现特大金矿

Core Insights - The exploration project of the Dongbeizhai gold mine in Songpan County, Sichuan Province, has passed the evaluation by the Sichuan Mineral Resources Reserves Evaluation Center, indicating significant progress in gold resource identification [1][3] - The newly added gold resource amount is 28.24 tons, bringing the total identified gold resource to 81.06 tons, categorizing it as a super-large scale mine with an average gold grade of 3.75 grams per ton [1][3] Group 1 - The exploration work for the Dongbeizhai gold mine has been undertaken by the Tenth Geological Brigade of the Sichuan Geological and Mineral Exploration and Development Bureau [3] - The gold mine was discovered in the 1970s and has undergone continuous exploration efforts over several generations, resulting in nearly 100,000 meters of drilling and over 4,000 meters of tunnels constructed [3] - A total of 35,000 samples have been collected during the exploration, leading to a significant breakthrough in mineral discovery [3]