1444.49吨！我国探明首个千吨级金矿

Core Insights - The discovery of the Dadonggou gold mine marks China's first identified thousand-ton level, low-grade super-large gold deposit, with a total gold metal amount of 1,444.49 tons, making it the largest single gold mine discovered since the founding of New China [1][2]. Group 1: Discovery Details - The Dadonggou gold mine has a total ore volume of 2.586 billion tons, with an average grade of 0.56 grams per ton [2]. - The mine is characterized as a super-large low-grade open-pit gold mine, which has undergone economic feasibility assessments indicating promising benefits [2]. Group 2: Exploration Efficiency - The exploration process involved nearly a thousand workers, successfully reducing the exploration time to 15 months, setting a precedent for "short cycle, high quality" exploration in China [2].