早古生代

  • 网络Early Palaeozoic Era;early paleozoic era;Early Palaeozoic
早古生代早古生代
  1. 早古生代局部地区又发生裂谷活动。

    Rift activity took place locally in early Palaeozoic Era .

  2. 北桐柏地区镁铁质麻粒岩锆石U-Pb年代学及变质作用东秦岭-桐柏-大别山碰撞造山带北部早古生代变质火山岩系特征及其形成环境

    Zircon U-Pb geochronology and metamorphism of mafic granulite from North tongbai , central china . the characteristics of the metavolcanic rock series of Early Palaeozoic era and the structural environment of their genesis in the northern part of the East qinling-tongbai-dabie collision type orogenic belt

  3. 通过C(27)/C(29)甾烷和有机碳同位素来判断早古生代和前寒武纪的烃源岩的生物来源

    Biological origin of Early Palaeozoic and Precambrian hydrocarbon source rocks based on c_ ( 27 ) / c_ ( 29 ) sterane ratio and organic carbon isotope

  4. 西昆仑康西瓦一带早古生代石英闪长岩的地质特征及其锆石SHRIMPU-Pb测年

    Geological characteristics of Early Paleozoic quartz diorite in the vicinity of Kangxiwar , West Kunlun , China and its zircon SHRIMP U-Pb dating

  5. 祁连山及其邻区大地构造基本特征&兼论早古生代海相火山岩的成因环境这是承继Stewart家族香火的新一代。

    Basic characteristics of tectonics in the Qilian Mountains and its neighbourings ── on genetic environments of Early Paleozoic marine volcanics another generation to carry on the Stewart name .

  6. 西昆仑山库地蛇绿岩的特征及其构造意义南部Pb、V、Cr异常反映早古生代地层与蛇绿岩套的混合地化场。

    THE CHARACTERISTICS OF KUDI OPHIOLITE SUITE AND ITS TECTONIC SETTING and the Pb , V and Cr anomalies in the southern part of the province are the resultant fields of the early Palaeozoic rock formations and ophiolite suite .

  7. 以陕南早古生代地层上发育的土壤为材料,研究土壤中水溶态硒、氟的含量及其与总量、土壤pH值之间的关系,探讨土壤水溶态硒、氟含量在生态环境中的表征作用。

    Typical soil profiles developed from early Paleozoic stratum in south Shanxi Province were selected to study the concentration of water solution-Se and water soluble-F , the relationships between them with total-Se , total-F , and soil pH as well as their significance in environment were also discussed .

  8. 东秦岭造山带早古生代(500Ma~400Ma)分别在北秦岭和南秦岭发育两条构造-岩浆杂岩带。

    There are two different Early Paleozoic ( 400Ma ~ 500Ma ) tectono-magma complex belts in the North and South Qinling of the East Qinling orogenic belt .

  9. 在早古生代与前寒武纪的石油与源岩中,经常出现令人困惑的C29甾烷优势,而在有机地球化学中C29甾烷优势被认为是陆相有机质输入的标志。

    The predominance of C_ 29 sterane in early Paleozoic and Precambrian rocks and crude oils is puzzling , because the predominance of C_ 29 sterane is often taken as the result of high terrestrial plant input .

  10. 华北地块早古生代地层单元的岩石磁学特征研究

    Magnetic features of Early Paleozoic rock units in North China block

  11. 华北地台震旦纪-早古生代地震节律

    Sinian & early Paleozoic seismic rhythms on the North China Platform

  12. 我国南方早古生代沉积岩中芳烃化合物的地球化学特征

    Geochemical characteristics of aromatic hydrocarbons in Lower Paleozoic of southern China

  13. 大巴山区早古生代基性火成岩的形成时代

    Timing of Early Paleozoic basic igneous rocks in the Daba Mountains

  14. 华北地块早古生代古地磁结果的大地构造意义

    Tectonic implications of Early Paleozoic paleomagnetic results in North China block

  15. 试论新疆东准噶尔早古生代岩石圈板块构造演化

    Early Paleozoic evolution of lithosphere plate , east junggar , Xinjiang

  16. 昆仑早古生代造山带研究进展

    Progress in the study of the Early Paleozoic Kunlun orogenic belt

  17. 准噶尔盆地早古生代陆壳存在的证据

    Evidence for the presence of Early Paleozoic continental crust in Junggar Basin

  18. 伊朗晚元古代&早古生代古地磁研究

    Paleomagnetic investigation on terminal proterozoic ─ Early Paleozoic in Iran

  19. 白银地区早古生代地层变形特征及区域构造演化

    Metamorphosis characteristics and regional structural evolution of EARLY-PALEOZOIC strata in Baiyin area

  20. 南秦岭早古生代石煤的微量元素

    Some microelements of Lower Paleozoic stone coal in South Qinling

  21. 东秦岭早古生代古海洋研究

    Study on paleooceanography of the early Paleozoic in East Qinling

  22. 早古生代北祁连是一个陆间微洋盆。

    North Qilian range was a intercontinental micro-oceanic basin of Early Paleozoic .

  23. 鄂尔多斯地块早古生代构造格局及演化

    Tectonic Framework and Evolution of Ordos Massif in Early Paleozoic

  24. 北秦岭早古生代海相火山岩

    The marine volcanic rocks of Early Palaeozoic from northern Qinling

  25. 早古生代高变质藻煤的煤岩特征及其地质意义

    Petrography of Early Paleozoic highly metamorphosed boghead coal and its geological significance

  26. 济阳坳陷早古生代方解石脉成因分析

    Analysis on origin of calcite vein in Early Palaeozoic of Jiyang Depression

  27. 扬子陆块东南缘早古生代的巨型斜坡带

    A Giant Palaeoslope Zone of Early Paleozoic Era in Southeastern Yangtze Landmass

  28. 早古生代黑色笔石页岩成因研究的新发现

    New discovery in the genesis of Paleozoic black graptolite shale

  29. 早古生代海相火山岩的生成环境在南祁连为单一的裂谷环境。

    Genetic environments of marine volcanics dating from Early Paleozoic are various .

  30. 中国早古生代三大古海洋及其对盆地的控制

    Three PALEO-OCEANS in the early Paleozoic and their control to basins in China