Recently, Chinese scientists have made a major breakthrough in understanding the formation mechanism of gold. A research team led by the Institute of Geochemistry at the Chinese Academy of Sciences has, for the first time, revealed how gold enriches and forms deposits under specific geological conditions within deep crustal fluids, using high-precision isotope analysis and high-temperature, high-pressure experiments. The study found that in subduction zone environments, chlorine-rich fluids can efficiently dissolve gold under extreme conditions, and as these fluids rise, changes in physical and chemical parameters trigger gold precipitation and mineralization. This mechanism not only explains the origin of several large gold deposits worldwide but also provides a theoretical foundation and new exploration guidance for discovering gold resources in China. Published in the prestigious international journal Nature Geoscience, this discovery marks a significant advancement of China’s research in critical metal ore-forming theory onto the global stage. Experts note that the findings will enhance China’s self-reliance in securing strategic mineral resources and hold important implications for sustainable mining and national resource security.
近日，中国科学家在黄金形成机制研究方面取得重大突破。由中国科学院地球化学研究所领衔的科研团队，通过高精度同位素分析和高温高压实验，首次揭示了地壳深部流体中金元素如何在特定地质条件下富集并形成矿床的关键过程。研究发现，在俯冲带环境中，含氯流体在高温高压下能高效溶解金，并在上升过程中因物理化学条件变化而促使金沉淀成矿。这一机制不仅解释了全球多个大型金矿的成因，也为我国寻找新的金矿资源提供了理论依据和勘探方向。该成果发表于国际权威期刊《自然·地球科学》，标志着我国在关键金属成矿理论研究领域迈入世界前列。专家指出，这项发现有助于提升我国战略性矿产资源的自主保障能力，对推动绿色矿业发展和资源安全具有重要意义。
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