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isotopic age
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  同位素年龄
     The results show an isotopic age of 241.3±3.6 Ma of magma crystallized zircons and a surface age of 292.3±5.6Ma of inherited zircon at the Basitaosayi.
     获得巴斯陶萨依岩浆结晶锆石U-Pb同位素年龄为241.3±3.6 Ma,以及继承性锆石U-Pb同位素年龄为292.3±5.6 Ma。
短句来源
     STUDY OF THE ~(40)Ar/~(39)Ar ISOTOPIC AGE FOR MESOZOIC TECTONOTHERMAL EVENT IN LUSHAN MOUNTAIN
     江西庐山中生代构造事件的~(40)Ar/~(39)Ar同位素年龄研究
短句来源
     Rock and isotopic age of the collision structures in Pamir region have recorded the movement of Indian plate toward Asian plate, which has experienced subduction and consumption of Neo-Thetys (113±1.5Ma-71.1±1.4Ma), collision of Indian and Asian plates(36.95±1.2Ma) and continuous squeezing after collision (6.69- 6.80Ma).
     帕米尔地区碰撞构造的岩石与同位素年龄记录了印度板块对亚洲板块的运动,经历了新特提斯洋俯冲消减(113±1.5Ma~71.1±1.4Ma)、印度板块与亚洲板块发生碰撞(36.95±1.2Ma)、印度板块与亚洲板块碰撞后持续榨挤(6.69~6.80Ma)等3个阶段。
短句来源
     The isotopic age of the Dahalajunshan formation has been, for the first time, obtained in the present study. It is 326± 15 Ma determined by the 40Ar/39Ar isochron method, and 359±39 Ma at 700℃, 342±58Ma at 800℃, 349±28Ma at 870℃ and 334±29 Ma at 940℃ by the 40Ar/39Ar stage age method.
     首次测得了大哈拉军山组立名剖面的同位素年龄,其40Ar/39Ar的等时线年龄为326.85±15Ma,在700℃、800℃、870℃和940℃温度区的视年龄分别为359.48±38.84Ma,341.71±58.39Ma,349.06±27.59Ma和333.72±28.84Ma。
短句来源
     ~(40)Ar-~(39)Ar Isotopic Age Dating on Nanjinshan Gold Deposit and its Implication
     甘肃南金山金矿床的~(40)Ar-~(39)Ar同位素年龄及其地质意义
短句来源
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  同位素年代
     The carbon isotopic age by 14C of Krish cultural layer of this settlement is about 6650+50 y. BP or 5600-1480 y.
     这些地区Krish文化层的~(14)C同位素年代为6650+/-50年,或者公元前5600-1480年。
短句来源
     Discussion on Rational Usage of Isotopic Age Information from the Metamorphic Rocks in Northern Fujian
     对闽北变质岩同位素年代信息合理使用的探讨
短句来源
     This zone consists of basalt, diabase and other basic intrusive rock, and the isotopic age is between 259 Ma and 292 Ma.
     它们的同位素年代为(259±09)Ma-(292。0±0.5)Ma。
短句来源
     Characteristics, Isotopic age of Wushan Ophiolite and its Geological Significantce
     武山蛇绿岩的特征、同位素年代及其地质意义
短句来源
     According to the stratigraphic characteristics, paleontology, and isotopic age, author have affirmed the position of the Zhaoduba Formation in stratigraphic columnar plane with its time limit.
     作者根据地层特征,古生物及同位素年代资料,肯定了召都巴组在地层柱面上的位置及时限.
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  “isotopic age”译为未确定词的双语例句
     Liujiapuzi ultra unit emplaced in Paleo Proterozoic,which the U Pb concordant isotopic age is determined to be 2 046.48±7.01Ma.
     刘家堡子超单元同位素锆石U- Pb 一致线年龄值为2 046.48±7 .01Ma,侵位时代为古元古代。
短句来源
     The U-Pb isotopic age of Shijuli gabbro in North Qilian Mountain is (457.9±1.2) Ma.
     首次利用锆石U-Pb方法测得北祁连山西段石居里辉长岩的生成年龄为(457.9±1.2)Ma。
短句来源
     The ~(40)Ar~-~(39)Ar isotopic age of Wajilitag gabbro in Tarim basin and its geological significance.
     塔里木盆地瓦基里塔格辉长岩~(40)Ar~-~(39)Ar年龄及其意义
短句来源
     Based on the isotopic age data: U-Pb is 1 768Ma, 1 717Ma;
     三座庙序列侵入岩U—Pb法一致曲线年龄值1708Ma、1717Ma;
短句来源
     The U-Pb isotopic age of Hanshan gabbro in North Qilian Mountains is 347.1±6.4 Ma, belonging to Hercynian.
     首次利用锆石U_Pb方法测得北祁连山西段寒山辉长岩的生成年龄为 347.1± 6 .4Ma。
短句来源
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  isotopic age
However, hydraulic data, isotopic age determinations and variations in chemical composition, suggest that the clay lenses form an effective hydraulic partition between the different sand units, both in the western and eastern parts of the aquifer.
      
In this paper the interpretation of isotopic age data is discussed.
      
These uncertainties are additive when an isotopic age difference is calculated.
      
Isotopic age data suggest the presence in Madagascar of Archaean, Early and Mid-Proterozoic crustal material that was extensively reworked in Pan-African times.
      
Isotopic age data suggest the presence in Madagascar of Archaean, Early and Mid-Proterozoic crustal material that was extensively reworked in Pan-African times.
      
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With the help of the Periogram, isotopic age data of China have been

措助“周期图”法研究了中国大陆同位素年龄资料,初步结果表明: 1.存在着7个隐蔽周期:2040m.y.(百万年)、160m.y.、145.5m.y.、99m.y.、69.3m.y.、56.8m.y.和52m.y.。2.这些隐蔽周期的发展过程与中国地质年代表相吻合。

The isotopic ages of the Granitic rocks from southeastern China and the Distribution of SiO_2, K_2O_2, Na_2O in their chemical composition are studied by the method of trend analysis. The evolution trend of the granitic rocks of different geological periods from the oldest to the youngest in time and from the northwest to southeast in space is clearly shown in the figure of trend-surface contours.

本文借助趋势面分析研究华南不同时代花岗岩的同位素年令值、SiO_2、 K_2O、Na_2O等成分的分布规律。趋势等值线图清楚地指出不同时代花岗岩从老到新、从西北到东南的演化趋势。

The isotopic ages of the Granitic rocks from southeastern China and the Distribution of SiO_2, K_2O, Na_2O in their chemical composition are studied by the method of trend analysis. The evolution trend of the granitic rocks of different geological periods from the oldest to tee youngest in time and from the northwest to southeast in space is clearly shown in the figure of trendsurface contours.

本文借助趋势面分析研究华南不同时代花岗岩的同位素年令值、SiO_2、K_2O、Na_2O等成分的分布规律。趋势等值线图清楚地指出不同时代花岗岩从老到新、从西北到东南的演化趋势。

 
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