用厘米级精度捕捉“黄金脉络”（身边的经济故事·我的“十四五”）

Core Insights - The article highlights the significant advancements in gold exploration in the Hadamen Valley, Inner Mongolia, led by the China Geological Survey, which has identified over 100 tons of gold resources in the region [1][2][3] Group 1: Exploration Achievements - The Hadamen Valley is recognized as a major super-large gold deposit area, with over 300 mineral sites and 70 gold veins discovered [1] - During the 14th Five-Year Plan, over 14,000 meters of drilling were conducted in the Hadamen Valley, resulting in the identification of more than 10 tons of gold resources [2] - The team achieved a remarkable mineral discovery rate of 86 out of 106 drill holes, significantly exceeding the industry average [1][2] Group 2: Technological Innovations - The team implemented a dual-tube directional drilling and foam wall protection technique, increasing the core recovery rate from below 60% to 92% [2] - A three-dimensional geological model is utilized to update exploration data in real-time, enhancing the efficiency of mineral discovery [3] - The exploration depth has been extended to 1,500 meters, overcoming challenges posed by complex fractured strata [3] Group 3: National Strategy and Investment - The national strategy for mineral resource exploration has seen an investment of nearly 450 billion yuan, leading to significant breakthroughs in various strategic mineral resources [6] - The article emphasizes the importance of gold resources for national financial security, with ongoing efforts to enhance exploration capabilities [3][6] - Key gold-producing regions in China include Inner Mongolia, Shandong, Henan, Yunnan, and others, with historical advancements in exploration techniques contributing to the discovery of new deposits [6]