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- Study on petrology, geochemistry and isotope chronology shows that the metallogenesis is closely related to granite-porphyry, which belongs to the Early Ordovician adakite formed in volcanic arc. 花岗斑岩与成矿作用关系密切，从岩石学、岩石化学、年龄学等方面对花岗斑岩进行了研究，认为花岗斑岩属于志留世早期形成于火山弧环境的埃达克岩。
- Li H Q.Chen F W.Cai H.Liu H Q Study on isotopic chronology of the Mazhuangshan gold mineralization,Eastern Xinjiang 1999(2 陈柏林.;吴淦国
- Relating to or in accordance with chronology. 年代学的与年代有关或依据年代的
- isotopic chronology 同位素年代学
- A detailed geological, isotope chronological, petrological and geochemicalstudy combined with collection and sorting out of relevant data has been carried out on thegranitoids. 本文系统收集和整理了相关地质资料,并对区内中生代花岗岩类进行了较详细的地质学、年代学、岩石学和岩石地球化学研究。
- THE EFFECT OF BACKGROUND POLLUTION ON AGE DATA IN ISOTOPE CHRONOLOGY 同位素年代学中本底污染对年龄数据的影响
- K-Ar isotopic chronological study of authigenic illite in reservoirs 油气储层自生伊利石K-Ar同位素年代学研究现状与展望
- The following is a chronology of events. 以下为事件的发生时序。
- Isotopic discrimination is not likely. 同位素甄别是不可能的。
- Isotopic geochronology and geochemistry II. 同位素地质年代学与地球化学2。
- A best chronology of the Cretaceous to Paleocene tectonic regimes has been established with the age constrained by stratigraphy and isotopic dating data. 这两个拆离系统分别形成于早白垩世莱阳群和晚白垩世-古新世王氏群沉积阶段。
- A historical novel that takes liberties with chronology. 一部随便改变年代顺序的历史小说
- Isotopic Chronologic Evidence of Bogda Rift Closure and Regional Uplift and Its Geological Significance 博格达裂谷闭合和区域隆起的同位素年代学证据及地质意义
- Historians seem to have confused the chronology of these events. 历史学家好像把这些事件发生的年代顺序搞混了。
- The process begins by mapping out a chronology of events. 流程由绘制事件时间表开始著手。
- Measurement of geologic time,as through isotopic radioactive decay. 地质年代测定是通过放射性同位素衰变来测定的。
- But the chronology revealed so far suggests otherwise. 但从时间表的显示来看并非如此。
- From 3.5 to 0 ka B.P. ,lake water was in an isotopic steady stage. 5~0ka B.;P;湖水处于同位素稳定阶段。
- A chronology and a list of books for further reading are appended. 书后附有一个年表和书籍清单,以便进一步阅读。
- An isotopic analysis of the grains has made that fear come true. 一项对这些颗粒的同位素分析让这种担心成真了。
