Fe-S系列矿物的演变机制及其环境标示研究

Fe-S系列矿物的形成和演变机制，包涵有成矿成藏地质作用过程的重要信息。综合运用现代矿物学技术方法，系统研究典型地质体中Fe-S系列矿物的形成和演变过程，揭示矿物个体发生史与宏观地质作用过程的对应关系。在现代实验技术支持下，开展Fe-S系列矿物结晶生长及其转变过程的模拟实验，获得Fe-S系列矿物在不同物理化学条件下形成和演变过程的定量化数据；通过现代测试手段，系统表征Fe-S系列矿物演变过程中组分-结构的演变过程；综合运用矿物学、地球化学、化学热力学和动力学理论，分析讨论Fe-S系列矿物形成和演变的本质原因和基本规律，获得Fe-S系列矿物的形成和演变机制的理论解释。明晰Fe-S系列矿物结晶生长指标体系对地质环境的标示意义。该项研究所获成果，在矿物学，硫化物矿床成因研究，成岩、成矿条件判断的研究中具有理论和实际意义。

The formation and evolution mechanisms of Fe-S series minerals include the important geological processes information of ore-forming and mineral accumulation. Modern mineralogy techniques are used in the systemic research of Fe-S series mineral formation and evolution in typical geologic bodies to reveal the corresponding relations between mineral ontogenetic history and macro-geological process. By means of modern experimental techniques, the simulation experiments of the Fe-S series minerals crystal growth and transformation process are carried out to gain the quantitative data of their formation and evolution under different physical and chemical conditions; the methods of modern tests are used to systematically characterize the evolution process of component and structure in Fe-S series minerals; with the integrated use of mineralogy, geochemistry, chemical thermodynamics and kinetic theory, we discuss the reason and basic law of Fe-S series mineral formation and evolution, to obtain their mechanism interpretation. It has label significance in geological environment to clarify the index system of Fe-S mineral crystal growth. The results of this study have theoretical and practical significance in mineralogy, the research of sulfide deposits genetic, and the judgment of diagenesis and mineralization conditions.