同位素年龄

  • 网络ISOTOPE;isotopic age
同位素年龄同位素年龄
  1. 山西地块G层铝土矿同位素年龄及其地质意义

    Isotopic age of bed g bauxite of Shansi massif and its geological significance

  2. 苏鲁超高压变质带南部浅变质岩的全岩Rb-Sr同位素年龄

    Whole Rock Sb-Sr Isotopic Age of Epimetamorphic Rocks in South Sulu UHP Metamorphic Belt

  3. 河北平原第四系深层地下水~(36)Cl同位素年龄的研究

    Chlorine-36 Age Study for Deep Groundwater of Quaternary Sediments , Hebei Plain

  4. X射线粉晶衍射、X射线单晶分析;红外吸收光谱、穆斯堡尔谱、同位素年龄测定,获得了大量有价值的数据。

    X-RAY Powder analysis , X-RAY single crystal analysis , ir analysis , mossbauer spectrometer analysis , age determination by mass spectrometer , etc.

  5. 云开隆起区钾长球斑片麻状黑云母花岗岩锆石特征研究&形貌、成分以及U-Pb同位素年龄

    Characteristics of Zircons in Orbicular Gneissic Biotite-granite from Yunkai Uplifted Area

  6. 文章还披露了作者所测的3个矿石晶质铀矿U-Pb同位素年龄(为165&146Ma),表明属晚侏罗世成矿。

    It is revealed that three uranium samples have the U Pb isotope ages of 165-146 Ma indicating the Late Jurassic period of mineralization .

  7. 辉钼矿的同位素年龄为(323±2)Ma(ReOs等时线法),属于早石炭世产物;

    The age of molybdenite is ( 323 ± 2 ) Ma ( Re-Os isochron dating ), suggesting its formation in early Carboniferous ;

  8. 锆石U-Pb法同位素年龄为274+4Ma。

    Zircon U-Pb age is 274 + 4Ma .

  9. 福建前寒武纪地体中的锆石U-Pb同位素年龄的地质意义

    Geological Analysis of U-Pb Single Zircon Ages for Forming-Rocks of Precambrian Terrain in Fujian Province

  10. 东秦岭钼矿Re-Os同位素年龄及其成矿动力学背景

    Re-Os isotopic ages of Mo deposits in East Qinling and their geodynamic settings

  11. 一种简单的辉钼矿Re-Os同位素年龄测定中Re化学分离方法:钽试剂萃取法

    A BPHA extraction method for chemical separation of Re for molybdenite Re-Os dating

  12. 鄂东南地区Cu-Au-Mo-(W)矿床的成矿时代及其成矿地球动力学背景探讨:辉钼矿Re-Os同位素年龄

    Metallogenic epoch and geodynamic framework of Cu-Au-Mo - ( W ) deposits in Southeastern Hubei Province : Constraints from Re-Os molybdenite ages

  13. 潜花岗班岩为火山颈相,其锆石U-Pb同位素年龄为32±0.2Ma。

    Hidden granite porphyry is of volcanic neck facies and gives isotopic age of zircon being 32 ± 0.2 Ma .

  14. 拉拉铁氧化物铜金钼稀土矿床Re-Os同位素年龄及其地质意义

    Re-Os Dating of Molybdenite from Lala fe-oxide-cu-au-mo-ree deposit , southwest china : implications for ore genesis

  15. Ar-Ar质谱法对南极乔治王岛火山岩同位素年龄的测定

    Ar-Ar Isotopic Dating of Volcanic Rock in George King Island , West Antarctica

  16. 后者为与燕山晚期石英闪长玢岩有关的矽卡岩型铜(钼)矿床,主岩体的K-Ar同位素年龄为117.0×106a。

    The Tongshan copper molybdenum deposit is mainly of skarn type associated with quartz diorite porphyrite , whose K Ar isotope age is 117.0 × 10 6a .

  17. 为此于世纪之交,作者等对G层铝土矿进行了Rb-Sr全岩同位素年龄测年及40Ar/39/Ar快中子定年。

    Therefore , the anthors had the Rb-Sr whole-rock isotopic dating and 40 Ar / 39 Ar dating made for Bed G bauxite in advance to the 30th International Geological Congress .

  18. 东川桃园式铜矿Ar-Ar同位素年龄及意义

    The Ar-Ar isotopic age in Dongchuan Taoyuan type copper deposit , yunnan province and its significance

  19. 锆石U-Pb同位素年龄印证了矿区及外围缺失二叠系以后古生界及中生界的地层或岩浆岩。

    The U-Pb isotopic ages of Zirconium proved that the district is lack of the strata or magma of after Permian period in Paleozoic group and Mesozoic group .

  20. 大别山区同位素年龄资料主要有K&Ar及40Ar/39Ar法和V-Pb法。

    The age determinations made by way of radiometric dating in Dabie mountain area mainly utilize the potassium-argon ( K-Ar and 40Ar / 39Ar ) method and the uranium-lead ( V - Pb ) method .

  21. 以K-Ar稀释法和40Ar/39Ar阶段加热法对利文斯顿岛百尔斯半岛的熔岩和次火山岩测定了同位素年龄。

    K Ar dilution and 40 Ar / 39 Ar step heating methods have been chosen in dating the isotopic ages of the volcanic and intrusive rocks of Byers Peninsula , Livingston Island .

  22. 矿床和成矿岩浆岩的同位素年龄集中在170Ma~100Ma;

    Most of the isotope ages for ores and related igneous rocks fall in a span of 170 Ma ~ 100 Ma .

  23. 根据RbSr,UPb和KAr同位素年龄以及氧、铅和硫稳定同位素资料,并结合矿区的地质特征,笔者认为:成矿溶液以大气降水来源为主;

    Metallogenic epoch belongs to Late-Caledonian . According to Rb Sr K At and U Pb isotopic dating , and oxygen , lead and sulfur stable isotope data along with the geologic characteristics of the ore deposit it is believed that the oreforming solution was derived dominantly form meteoric water ;

  24. 鄂东南铜绿山矿田矽卡岩型铜铁金矿床的辉钼矿Re-Os同位素年龄及其地质意义含金夕卡岩矿床产出构造环境和地质地球化学评价标志

    Re-Os dating of molybdenite from Tongl ü shan ore district in southeastern Hubei Province , Middle-Lower Yangtze River belt and its geological significance TECTONIC ENVIRONMENT AND GEOLOGICAL GEOCHEMICAL EVALUATION CRITERIA OF Au BEARING SKARN DEPOSITS

  25. 电磁测深在鲁西地区绿岩带型金矿勘探中的应用鄂东南铜绿山矿田矽卡岩型铜铁金矿床的辉钼矿Re-Os同位素年龄及其地质意义

    APPLICATION OF ELECTROMAGNETIC MEASUREMENT TO GOLD DEPOSIT EXPLORATION IN GREENSCHIST BELT OF WESTERN SHANDONG Re-Os dating of molybdenite from Tongl ü shan ore district in southeastern Hubei Province , Middle-Lower Yangtze River belt and its geological significance

  26. 强应变带内三件不同时代岩石的KAr同位素年龄为155~158Ma,表明推覆剪切时代为中侏罗世末。

    Three samples of rocks of different ages in the strong strain belts give K-Ar ages of 155 to 158 Ma , suggesting that the age of the thrust shear is terminal Middle Jurassic .

  27. 利用裂变径迹法测定了济阳坳陷第三系馆陶组至孔店组碎屑沉积岩的年龄,并将所测年龄与古地磁极性年龄、K-Ar法同位素年龄相对比,三者基本一致。

    The age of clastic sedimentary rock of the Tertiary Guantao formation to Kongdian for - mation in the Jiyang sag was determined by using the method of fission track and compared with those ages determined by palaeo-geomagnetic polarity and K-Ar isotope , the results were almost the same .

  28. 同位素年龄频谱统计与显生代年表

    The frequency spectra of isotopic ages and the Phanerozoic time scale

  29. 460铀矿床主要矿化期的同位素年龄

    Isotope age of principal mineralization period in uranium deposit No. 460

  30. 岩石同位素年龄已成为解决地质问题的一个重要手段。

    Isotopic age has become an important means solving geological problems .