四川发现特大金矿！

Core Insights - The "Northeast Zhai Gold Mine Exploration" project in Songpan County, Sichuan Province has passed the evaluation by the Sichuan Mineral Resources Reserves Review Center, indicating significant progress in gold resource identification [1] Summary by Categories Project Evaluation - The evaluation revealed an additional gold resource of 28.24 tons, bringing the total identified gold resource to 81.06 tons, classifying it as a super-large scale mine [1] - The average gold grade of the mine is reported at 3.75 grams per ton, making it the largest gold mine in Sichuan in terms of registered resource volume to date [1] Exploration Efforts - The exploration work has been conducted by the Tenth Geological Brigade under the Sichuan Geological and Mineral Exploration and Development Bureau [1] - The gold mine was discovered in the 1970s and has undergone extensive exploration efforts, including nearly 100,000 meters of drilling and over 4,000 meters of tunnel excavation, along with the collection of 35,000 samples [1]