花岗岩相关关键金属共生成矿的实验地球化学研究进展

January 1, 2026Acta Petrologica SinicaOpen Access

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Key Points

This research investigates the mineralization mechanisms of key metals associated with granite, focusing on controlling factors.
Conducted high-temperature and high-pressure experiments to simulate mineralization processes.
Examined the effects of volatiles (F, Cl, S, H2O) on metal mobility and precipitation.
Quantified partitioning behaviors of metals between melt and fluid phases.
F and Cl mainly control the migration of rare metals (W, Sn, Be, Nb, Ta) and precious metals (Au, Ag, Cu, Pb, Zn).
High fO2 conditions favor Cu and Au enrichment, while low fO2 promotes Sn, Pb, and Zn mineralization.
Quantitative characterization of melt-fluid partition coefficients (D) provides key parameters for assessing mineralization potential.

Experimental study reveals mechanisms of key metal mineralization in granite, suggesting important implications for mineral resource assessment.

花岗岩相关关键金属的成矿机制是当前国际矿床学研究的核心议题。近年来,高温高压实验研究不断深化了对成矿过程的理解,揭示出从"浆-液"过渡直至热液沉淀的完整过程,本质上是一个受挥发分组成与物理化学条件精细调控的金属"分配"与"沉淀"的序列性过程。该过程的核心控制因素为挥发分(F、Cl、S、H₂O等)

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LI et al. (2026) studied this question.

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