海底热液沉积物中流体包裹体的研究进展

PROGRESS IN THE STUDY ON FLUID INCLUSIONS IN SUBMARINE HYDROTHERMAL DEPOSITS

最近几年新兴起的海底热液沉积物中流体包裹体的研究可以解决许多利用常规矿物学和地球化学方法无法解决的重要科学问题 ,本文总结了该领域研究工作的进展 ,探讨了技术手段或方法上的发展及局限性 ,提出对热液沉积物中透明矿物的大范围显微测温对比分析和非透明矿物分温度段释放包裹体气体相结合 ,从而获取不同类型和不同成矿阶段包裹体物化指标及成分特征 ,进而研究热液循环机制及成矿作用过程的思路 。

The studies on fluid inclusion in submarine hydrothermal deposits,which develop in these recent years,can solve some important problems routine mineralogy and geochemisty cant solve.Fluid inclusions are materials that were trapped in the process of the formation of the minerals.They can truly reflect the temperature,pressure and component of the minerogenetic fluid when the inclusions are trapped.They record the evolution of hydrothermal fluid and provide direct proofs for the study of mineralization.In this article the progress in the study on fluid inclusions in submarine hydrothermal deposits is summarized and the development and limitation of technological means and the studying methods are discussed.The author suggests it is feasible to study fluid inclusions in submarine hydrothermal deposits by the method of discharging gases at different temperature steps.By making use of this method,physical and chemical data and components of various kinds of fluid inclusions at different mineralization stages can be obtained,and the mechanism of hydrothermal circulation and process of mineralization can be discussed.