Core Insights - Researchers in China have unveiled a new mechanism for gold precipitation induced by pyrite, capturing the dynamic process of gold nanoparticle formation on pyrite surfaces at the nanoscale for the first time [1] Group 1: Research Findings - The study reveals that gold nanoparticles do not form spontaneously in solution but are generated in a "dense liquid layer" closely adhering to the pyrite surface [1] - The dissolution of pyrite alters the chemical environment of this liquid layer, leading to rapid supersaturation of gold and subsequent precipitation as solid particles, effectively acting as a "nano-factory" [1] - This mechanism is applicable to explaining the enrichment processes of gold in various natural hydrothermal ore deposits and surface environments [1] Group 2: Implications - The findings provide new insights into the formation of high-grade gold deposits, which is a critical aspect of gold mining [1] - From an application perspective, the mechanism offers guidance for interface regulation in green gold extraction processes [1]
【新华社】矿物表面“长”黄金 我国科学家揭秘自然“炼金术”
Xin Hua She·2026-01-26 02:31