杂岩

  • 网络complex;diamictite
杂岩杂岩
  1. 从而,X具R、N、P.这套潜火山杂岩具过渡性地质地球化学特征。

    The subvolcanic complex in the orefield has the transitional characteristic in geology , petrology and geochemistry .

  2. 变质核杂岩中高Sr低Y型花岗岩的发现及其地质意义

    The high sr , low y granite in the metamorphic core complex and its geological significance

  3. 维生素K4的合成浅议断裂杂岩

    Synthesis of Vitamin K 4 ON " FAULTED COMPLEX "

  4. 吉林延边东部J2-K1火山-侵入杂岩岩浆的生成与演化

    The Formation and Evolution of Magma for J_2-K_1 Volcanic-Intrusive Complex in Eastern Yanbian , Jilin Province

  5. 桐柏地区桐柏杂岩(CC)及地球化学特征

    Tongbai Complex Rocks and the Geochemical Characteristics in Tongbai Region

  6. 新的SHRIMP定年结果表明,原先划归于古元古代的丹东花岗杂岩现在被确定为中生代岩体。

    New SHRIMP dating reveals that the previously-known Paleoproterozoic Dandong granitic complex is Mesozoic .

  7. 康定杂岩锆石SHRIMPU-Pb定年及其地质意义

    Zircon U-Pb SHRIMP Dating for the Kangding Complex and Its Geological Significance

  8. 赣南&粤西中生代岩浆杂岩与W、Sn、Nb、Ta的成矿

    The Mesozoic Magmatic complexes and mineralization of w , sn , Nb and Ta in South jiangxi-west Guangdong

  9. 南大别碰撞杂岩带至少由这3种不同变质历史或PT轨迹的岩石混杂而成。

    The southern Dabie collisional complex comprises rocks at least of these three metamorphic types having different metamorphic histories or PT paths .

  10. 相山火山-侵入杂岩与该区出露的基底变质沉积岩在Nd、Pb同位素组成上既有明显的相似性,又有一定差别。

    There exist evident similarities and also minor differences in Nd and Pb isotope compositions between the complex and the basement meta sedimentary rocks .

  11. 辽西变质杂岩特征和变质作用的PTt轨迹

    The characteristics of the metamorphic complex and the PTT path of metamorphism in the west of Liaoning

  12. 山东沂水杂岩中变基性岩的岩石地球化学特征及锆石SHRIMPU-Pb定年

    The Petro-geochemical Characters and SHRIMP U-Pb Zircon Ages of Meta-mafic Rocks from the Yishui Complex , in Yishui County , Shandong Province

  13. 锆石U-Pb定年结果表明,在大别杂岩内存在燕山期的混合岩化作用,其时代为(129.3.8)Ma。

    The zircon U-Pb age suggests that there was a migmatization during the Yanshan Period , which may represent an important anatexis at the age ,( 129.3 ± 0.8 ) Ma .

  14. 华北地块中东部中生代侵入杂岩中角闪石和黑云母的~(40)Ar/~(39)Ar定年:对岩石圈减薄时间的制约

    ~ ( 40 ) Ar / ~ ( 39 ) Ar dating of hornblende and biotite in Mesozoic intrusive complex from the North China Block : Constraints on the time of lithospheric thinning

  15. 岚皋碱质煌斑杂岩主量元素呈规律性演化,REE球粒陨石标准化配分型式呈强右倾型,富集不相容元素。

    The alkali lamprophyre complex from Langao County , whose chondrite-normalized REE patterns all incline to the right and whose major elements vary regularly , has abundant incompatible elements .

  16. REE和微量元素特征显示肥西地区中生代砂岩物源主要为佛子岭群和卢镇关群,大别杂岩的影响比较局限,更没有来自华北克拉通的物质。

    The data of REE and trace elements indicate that the source rocks were mainly composed of Fuziling and Luzhengguan Groups , limited for Dabie complex and no Huabei Landmass matter .

  17. Nd、Sr和Pb同位素资料表明,在330~250Ma的后碰撞期间,有大量的幔源花岗岩类和少量的镁铁&超镁铁杂岩在上地壳侵位。

    Nd , Sr , and Pb isotopic data indicate that large amounts of mantle-derived granitoids and minor amounts of mafic-ultramafic complexes emplaced in the upper crust during late Carboniferous and Permian times ( 250 to 330 Ma ) .

  18. 中条山前寒武纪涑水杂岩主要由西姚和寨子英云闪长质-奥长花岗质-花岗闪长质(TTG)片麻岩、横岭关和北峪钙碱性花岗质岩石组成。

    The Precambrian Sushui Complex in Zhongtiao Mountain is composed principally of Xiyao and Zhaizi TTG gneisses , Henglingguan and Beiyu calc-alkaline granitoids .

  19. 可见利用单颗粒锆石U-Pb年龄能非常有效地讨论一套岩石组合是否是同时间形成的,而这正是火山-侵入杂岩研究的重要内容之一。

    Therefore , the single grain zircon U Pb chronology is an effective method for discussing whether the rock units in complex are formed in the same time . This is one of the major study contents of volcanic intrusive complex .

  20. 琼中高级变质杂岩中单颗粒锆石Pb-Pb年龄及其地质意义

    High Grade Metamorphic Complexes in Middle Hainan Island : Ages of the Pb-Pb Single Zircons and Their Geological Significance

  21. 多个岩体锆石U-Pb测年结果的一致性,表明康定岩浆-变质杂岩形成于新元古代(860~750Ma)。

    The consistency of zircon U-Pb dating resulted from various rocks indicates that the Kangding magmatic and metamorphic complex were formed at the Neoproterozoic ( 860 ~ 750 Ma ) period .

  22. 阜平片麻岩和湾子片麻岩的单颗粒锆石U-Pb年龄&阜平杂岩并非一统太古宙基底的年代学证据

    TIMS U-Pb Single Zircon Ages for the Orthogneiss and the Paragneiss of Fuping Complex : Implications for Existence of the Palaeoproterozoic Supracrustal Rocks in the Central Basement of North China Craton

  23. 豫西东秦岭造山带核部杂岩中大理岩Pb-Pb等时线年龄及其地质意义

    Pb-Pb dating of marbles from the core complex of East Qinling orogenic belt , western Henan and its geological implication

  24. 黑龙江省鸡东与基性杂岩有关的Cu-Ni-Pt矿床成因研究

    Ore Genesis Studies of the Cu-Ni-Pt Deposit Related to the Basic Complex , Jidong , Heilongjiang Province

  25. 北京西山周口店关坻杂岩蒸发法锆石Pb-Pb年龄:太古宙成因和克拉通化事件证据

    Single-Grain Evaporation Zircon Pb-Pb Ages of Guandi Complex , Zhoukoudian Area , Western Hills of Beijing : Archaean Genesis and Cratonization Events of the North China Craton

  26. 变质核杂岩的组成与结构显示了它对称伸展和不对称隆升的特征,130~100Ma是其快速隆升的时期。

    The composition and texture of the metamorphic core complex show features of symmetrical extension and asymmetric uplifting and a rapid uplifting period within 130 to 100 Ma .

  27. 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 .

  28. 鉴于白垩纪花岗岩的钕模式年龄(tDM)均集中于古元古代(1.8~2.2Ga),表明花岗岩的源区应限于核杂岩中构成原中地壳下部的古元古代结晶基底岩层。

    The source area was proved to be composed of the Paleoproterozoic crystalline basement rocks at the lower part of the original middle crust by the dominantly Paleoproterozoic Nd model ages of the granite and from the comparison with the crustal structure-constitution in East Qinling .

  29. 其中包括相当多的变质熔岩及岩浆杂岩。

    The group includes plenty of metamorphosed Lava and magmatic complex .

  30. 基底固结程度与变质核杂岩差异。这些差异,构成了太平洋东西两岸盆岭构造的不同地域特色和地质地貌景观。

    Difference in solidification degree of basement and metamorphic core complexes .