isotopic geochronology meaning in English

同位素地球纪年学
同位素地质年代学

The author summarizes the distribution law of gold deposits of fujian in space and time and studies the metallogenic epoch using the method of isotopic geochronology and geologic analysis
总结了金矿的时空分布规律，采用同位素测年和地质分析相结合的方法研究福建省金矿的成矿年代。
On the basis of systematic analysis and comparative research on jianchaling and jinchuan nickel sulflde deposit in geology and geochemistry , some conclusions can be drawn as follow : ( 1 ) re - os isotopic geochronology data define an precise 878 ? 6 ma isochon , suggest jianchaling nickel sulflde deposit would form in new proterozoic . the rock - forming process and metal logenesis happened on the whole , this deposit subordinates to magmatic deposit
通过对煎茶岭和金川镍矿床地质、地球化学的系统分析与比较研究，取得以下新的认识和进展： ( 1 ) re ? os同位素地质年代学研究表明，煎茶岭硫化镍矿床形成于878ma前的新元古代，成矿作用和成岩作用基本上是同时进行的，属岩浆矿床。