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Re-Os放射性同位素体系是一种常用的同位素地质年代学和地球化学研究工具,广泛应用于地幔岩石圈、硫化物矿床及油气成藏等定年和示踪源区。然而岩浆岩中的Re和Os含量不均一而且极低,存在“块金效应”现象,分析测试难度大。基于这一现象,部分学者通过对一份岩石样品多次测定Re-Os同位素获得等时线年龄来反映岩石的形成年龄。中科院广州地球化学研究所的科研人员,通过对准确测定已知年龄的
The Re-Os radioisotope system is a commonly used isotope geochronology and geochemical research tool, widely used in mantle lithosphere, sulfide deposits and hydrocarbon accumulation dating and source areas. However, the content of Re and Os in the magmatic rocks is not uniform and extremely low, which has the phenomenon of “lump gold effect”, which is difficult to analyze and test. Based on this phenomenon, some scholars reflect the formation age of rock by obtaining the isochron age by measuring the Re-Os isotope repeatedly for a rock sample. Chinese Academy of Sciences Guangzhou Institute of Geochemistry researchers, by accurately measuring the known age