甘肃发现资源量超40吨的大型金矿

Core Insights - A large gold mine has been discovered in the Qianhongquan - Heishan Beitan area of Yumen City, Gansu Province, with an additional gold resource of over 40 tons [1][2] Group 1: Geological Survey and Exploration - The discovery is a result of a mineral prospecting project initiated in 2017, which involved a 1:50,000 scale mineral resource survey [1] - The geological background analysis indicated a significant potential for gold deposits due to the widespread distribution of the Qianlong Formation and frequent magmatic activities in the area [1] - A total of 6,177 sediment samples were collected, leading to the identification of 16 gold anomalies [1] Group 2: Exploration Efforts and Funding - From 2019 to 2024, the exploration project for the Qianhongquan gold mine has received a total funding of 76.28 million yuan, with significant exploration work completed [1] - The exploration efforts included 30,000 cubic meters of trenching and over 35,000 meters of drilling, resulting in the discovery of a new mineralized zone approximately 14 kilometers long and 10 to 100 meters wide [1] Group 3: Implications for Future Exploration - The discovery of the Qianhongquan gold mine provides important guidance for finding gold deposits related to ductile shear zones in the northern part of Gansu, offering practical experience for similar regional explorations [2]