岩浆中磷灰石溶解度的研究进展  

Progress on the research of apatite solubility in magma

作　　者：叶立金 翟双猛[2] 

机构地区：[1]北京大学地球与空间科学学院,北京100871 [2]中国科学院地球化学研究所,贵州贵阳550002

出　　处：《矿物学报》2015年第2期178-184,共7页Acta Mineralogica Sinica

基　　金：国家自然科学基金项目(批准号:41372040)

摘　　要：磷灰石在岩浆中的溶解行为有助于理解熔体的演化、微量元素如REE、U、Th、Sr等的分异和地幔交代流体的形成。本文综述了硅酸盐熔体中温度、熔体成分(Si O2、Ca O、Al2O3、S等)和碳酸盐熔体中温度、Ca O含量等对磷灰石溶解度的影响,介绍了已建立的溶解度模型以及采用模型成功解释实际成岩成矿过程的例子。在概述研究进展的基础上,指出了压力、卤素和高压流体等对磷灰石溶解行为影响的研究的不足。Dissolution behaviour of apatite in magma plays an important role in understanding the evolution of melts, differentiation of trace elements(such as REE, U, Th, Sr, etc.), and the formation of metasomatic fluids in the mantle. This paper reviews the impact of, of temperature, composition(Si O2, Ca O, Al2O3, S, etc.) and temperature of silicate melts, and Ca O content in carbonate melts on the solubility of apatite in magma. It introduces the established models for solubility and uses the model to explain actual examples of the natural rock- and mineralization-forming processes. This research also indicates that more work needs to be done in the future on the impact of pressure, halogen and high-pressure fluid affecting the behaviour of apatite dissolution.

关 键 词：磷灰石 溶解度 岩浆 研究进展 

分 类 号：P588.11[天文地球—岩石学]