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模拟实验证实许多藻类在一定条件下具有很强的聚金能力;一些学者进一步的实验工作表明,有机质、原油能促进金的淋滤、迁移、还原和沉淀等地球化学过程。然而藻类、有机质、有机流体的这些成矿作用并不是孤立的。相反,随着地质作用的发展,当藻类死后转变成各种有机质、有机流体时,这些成矿作用也在不断地演化,构成一个生物-有机质-流体(OOF)成矿系统。本文按照地质作用的发展过程(沉积→成岩),系统地研究在藻类转变为各种有机质、有机流体的演化过程中,其中的成矿元素金的分布是如何动态地变化的。这种系统的动态研究符合实际的成岩成矿过程,能够为金的生物成矿作用演化提供依据。
Simulation experiments show that many algae have strong poly-gold ability under certain conditions. Some scholars further experiments show that organic matter and crude oil can promote the geochemical process of leaching, migration, reduction and precipitation of gold. However, these mineralization of algae, organic matter and organic fluids are not isolated. On the contrary, with the development of geological functions, these mineralizations evolve to form a bio-organic-fluid (OOF) metallogenic system when the algae are transformed into various organic and organic fluids after death. In this paper, according to the geological process of development (sedimentary → diagenesis), we systematically study how the distribution of gold mineralization changes dynamically during the evolution of algae into various organic and organic fluids. The dynamic study of this system accords with the actual diagenesis and mineralization process, which can provide the basis for the evolution of gold bio-mineralization.