地质年代学 meaning in English
geochrony
geologic chronology
geological chronology
uranium-ionium geochronology
Examples
- A large number of studies of geochronology and geochemistry indicate that mesozoic intermediate - felsic rocks from the dabie orogen have originated from recycling of the subducted yangtze continental crust itself
摘要大量的同位素地质年代学和地球化学研究表明，大别山中生代中酸性岩为俯冲扬子陆壳再循环的产物。 - 3 . re - os isotope chronology study suggesting the forming of jinchuan nickel - copper deposit which is magmatic dominanted and multi - mineralization attributed may lasting a long period of time
Re ? os同位素地质年代学研究表明，以岩浆成矿作用为主但有多种成矿作用贡献的金川镍矿床的形成可能经历了长时期的演化过程。 - One of the branches is environmental archaeology . environmental archaeology development experienced three stages , linear model , early systematic model and later systematic model . four research areas , are formed gradually including geoarchaeology , archaeobotany , zooarchaeology and bioarchaeology
环境考古学的发展经历了线形模式阶段系统模式前阶段和系统模式后阶段3个时期，并逐渐形成4个主要的研究领域：地学考古植物考古动物考古和分子生物考古，其中地学考古涉及到地貌学沉积学土壤学和地质年代学。 - 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。