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- Re Os isotopic dating Re-Os同位素测年
- Precise determination of the platinum-group elements and Os isotopic ratios in low-level rock samples. 岩石样品中低含量铂族元素和锇同位素比值的高精度测量方法。
- Evidence from isotopic dating suggests that the greenstone belts vary considerably in age. 来自同位素年龄鉴定的证据指出，绿岩带在年龄上彼此变化相当大。
- The isotopic dating and fossil geochronometry are the basic methods of ophiolite geochronometry. 同位素测年及化石年代学法是蛇绿岩年代学研究的基本方法。
- 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。
- Zhou T X, Chen J F, Li X M, Foland K A. 40Ar/39Ar isotopic dating of intrusions from Huoshan-Shucheng syenite zone, Anhui Provience[J].Geology of Anhui, 1992, 2: 4-11. [9]周泰禧; 陈江峰; 李学明; Foland K A.;安徽霍舒正长岩带侵入体的40Ar/39Ar法同位素地质年龄[J]
- Based on the isotopic dating data of volcanics and recent research achievements of age boundary between Jurassic and Cretaceous systems, it is suggested that the volcanic series in Shengyuan basin must be attributed to Lower Cretaceous. 本文根据盛源盆地火山岩同位素年龄数据和侏罗-白垩系界线年龄的最新研究成果，认为盛源盆地火山岩系的地层时代应属早白垩世。
- Substantial changes consist in the transfer of Wutaian into Archaean and the alteration of lower limit of Changchengian system from 1850 to 1700 Ma, both based on new interpretation of isotopic dating. 划分中的重要改变是根据新的年龄值数据将五台群归入太古代,将长城系底界改为1700Ma;
- Abstract: Based on the isotopic dating data of volcanics and recent research achievements of age boundary between Jurassic and Cretaceous systems, it is suggested that the volcanic series in Shengyuan basin must be attributed to Lower Cretaceous. 文摘:本文根据盛源盆地火山岩同位素年龄数据和侏罗-白垩系界线年龄的最新研究成果，认为盛源盆地火山岩系的地层时代应属早白垩世。
- Secondly, the Os concentration and residence time in seawater, and Os isotope composition of seawater were precisely measured. 对海水中锇的浓度、滞留时间 ,以及现代海水的锇同位素组成进行了精确测定 ;
- Isotopic dating of strike-slip mylonites, ultramylonite as well as associated igneous rocks in uplift belt indicated that the strike-slip displacement of the fault zone took place in early Cretaceous. 断裂带内走滑糜棱岩、超糜棱岩及伴生岩浆岩的同位素测年 ,表明其走滑时间为早白垩世。
- The progresses of Os isotope in the marine environment in recent years have been summarized in this review, which may benefits our study on Os isotope in the future. 较系统地总结近年来锇同位素在海洋环境中的研究现状 ,对于指导以后的研究工作有着重要的意义
- isotopic dating of marine sediment 海洋沉积物同位素年代测定
- authigenic mineral isotopic dating 自生矿物同位素测年
- isotopic dating of autogenetic illite 自生伊利石同位素测年
- Dating Finally, yog 're getting hitched. 终于你要结婚了.
- Os Isotopic Compositions of Seafloor Massive Sulfide from the TAG Hydrothermal Field in the Mid-Atlantic Ridge 大西洋洋中脊TAG热液区中块状硫化物的Os同位素研究
- I want to speak to you re your behaviour. [口]关于你的行为，我想跟你谈一谈。
- Re your letter of 1 September ... 关於您9月1日的来信 ...
- APPLICATION STATE OF ISOTOPIC DATING METHODS FOR ORE DEPOSITS 矿床同位素定年方法的应用现状评析
