中元古代

  • 网络Mesoproterozoic;mid-proterozoic;Mesoproterozoic era
中元古代中元古代
  1. 浙西&赣东北地区中元古代晚期为华夏古陆的活动陆缘;

    The western Zhejiang-northeastern Jiangxi area was the active continent margin of Cathaysia in the late Mesoproterozoic .

  2. 成矿时代为中元古代早期。

    The mineralization epoch is the early period of mesoproterozoic Era .

  3. 恒山中元古代早期基性岩墙群的单颗粒锆石U-Pb年龄及其克拉通构造演化意义

    Single-Zircon U-Pb Age of the Initial Mesoproterozoic Basic Dike Swarms in Hengshan Mountain and Its Implication for the Tectonic Evolution of the North China Craton

  4. 中元古代昆阳群Fe-Cu-REE矿床地球化学研究

    Study on Geochemistry of Fe-Cu-REE Deposit in Kunyang Group in Mid-Proterozoic

  5. 白云鄂博碳酸岩型REE-Nb-Fe矿床&一个罕见的中元古代破火山机构成岩成矿实例

    Bayan Obo Carbonatite REE-Nb-Fe Deposit : A Rare Example of Neoproterozoic Lithogeny and Metallogeny of a Damaged Volcanic Edifice

  6. 根据花岗岩的Nd模式年龄以及地壳岩石中继承锆石UPb年龄,认为中国东南部地壳具幕式生长特征,古&中元古代为主要的生长期。

    According to the Nd model ages of granites and the U-Pb ages of inherited zircons in crustal rocks , it is concluded that the Southeast China continental crust experienced episodic growth . The Paleo-to Mid-Proterozoic era may have been its main growth time .

  7. 华北板块北缘发育一条中元古代晚期大陆边缘碰撞造山带,它由内蒙西部狼山起向东延伸到辽西和吉林东部一带,全长2000余km。

    There is the collision orogenic belt which was developed in late middle Proterozoic era , in north margin of North China plate . The belt extends from Langshan in Inner Mongolia to Western Liaoning province and Eastern Jilin province . Its length is over 2 000 km .

  8. 辽宁中元古代&中生代泥质岩稀土元素地球化学

    REE geochemistry of middle proterozoic - Mesozoic pelites in Liaoning Province

  9. 豫西中元古代汝阳群层序地层初步研究

    Sequence stratigraphic study of Mesoproterozoic Ruyang group in western Henan Province

  10. 乐平地区中元古代海相火山岩的特征及火山活动特点

    Marine volcanic rocks in Middle Proterozoic and characteristics of volcanism

  11. 山西垣曲中元古代枕状熔岩的研究

    A Study on the Middle Proterozoic Pillow Lavas in Yuanqu , Shanxi

  12. 海南岛中元古代花岗岩地球化学及成因研究

    Research on the geochemistry and genesis of Mesoproterozoic granites on Hainan Island

  13. 扬子地块东北缘中元古代的大地构造

    Middle Proterozoic Geotectonics in Northeast Sector of the Yangtze Massif

  14. 燕山地区中元古代常州沟组潜穴化石

    Burrow Fossils in the Changzhougou Formation of the Mesoproterozoic in the Yanshan Area

  15. 鲁西地区中元古代四堡期辉绿岩基本特征&以蒙阴野店及费县高家围子地区为例

    Basic Characteristics of Diabase in Meso-proterozoic Sibao Period in West of Shandong Province

  16. 辽宁锦西地区中元古代-中生代砂岩构造背景的探讨

    Appoach of tectonic background for mid Proterozoic Mesozoic sandstones in jinxi , Liaoning

  17. 闽中早&中元古代科马提岩产于拉张盆地的构造环境。岩石圈生热效应对拉张盆地地热史的影响

    Influence of radioactive heat generation within lithosphere on geothermal history of extensional basin

  18. 滇中中元古代软沉积物变形构造及其地质意义

    Mesoproterozoic Soft-sediment Deformational Structures in Central Yunnan , China and Their Geological Implications

  19. 河北兴隆中元古代硫化物黑烟囱金矿化的发现及其意义

    Gold-Rich Mesoproterozoic Chimneys from Xinglong in Hebei and Implications for the Formation of Gold

  20. 江西中部地区中元古代地层

    The Mid - Proterozoic stratigraphy in central Jiangxi

  21. 赣北地区中元古代双桥山群修水组广泛出露。

    The Xiushui Formation of Mid Proterozoic Shuangqiaoshan Group is widely distributed in North Jiangxi .

  22. 矿质主要来源于中元古代结晶基底矿源岩。

    The materials of the deposit are derived from the source rock of middleAgnotozoic crystalline basement .

  23. 中元古代长城纪遗迹化石在宁夏贺兰山的发现

    The Discovery of Trace Fossils from the Middle Proterozoic Changcheng System in Helan Mountain , Ningxia

  24. 华北板块北缘中元古代造山带的确立及其构造演化

    The establishment and tectonic evolution of Proterozoic orogenic belt in the north margin of North China plate

  25. 豫西地区中元古代蓟县纪地层沉积特征及沉积古地理研究

    A Study on the Sedimentary Character and Paleogeography of the Mesoproterozoic Jixianian Period in Western Henan Province

  26. 中元古代晚期褶皱回返过程中,经历了多次断裂作用和褶皱变形。

    In late mid-Proterozoic , polystage fracturing and folding were happened during the process of fold belt uplifting .

  27. 华北中元古代硫化物黑烟囱发现的初步报道

    The preliminary report on the discovery of black smoker chimney within the Mesoproterozoic sulphide deposit of North China

  28. 本文论述了华南中部造山带中元古代&震旦纪地层具有可比性与分区性,并提出了具体方案;

    The correlation and division of Middle Proterozoic-Sinian Period stratigraphy of south China orogen are described in this paper ?

  29. 形成晶体的碳质来源不均一,反映了中元古代华北陆台下地壳岩浆成分的不均一性。

    Heterogenity of the carbon source implies the magma beneath the North China platform was not homogeneous at Late Mesoproterozoic .

  30. 中元古代至早古生代塔里木板块与羌塘-扬子板块发生解体。

    From the Middle Proterozoic to Early Paleozoic , the Tarim plate and the Qangtang-Yangtze plate were most probably disintegrated .