陆源沉积

  • 网络terrigenous sediment;Terrigenous sedimentation;terrigenous deposit
陆源沉积陆源沉积
  1. 叠层石的形态和它们与陆源沉积的关系反映了沉积盆地的构造背景。

    Stromatolite morphologies and their terrigenous sediment association indicate depositional basin tectonic setting .

  2. 细粒陆源沉积中石英、长石的定量分析

    Quantitative X-ray Diffraction Analysis of Feldspar and Quartz in Fine-grain Terrigenous Sediments

  3. 本文首先介绍了陆源沉积储层的地质模型,胜利油田部分油、气田储集层的岩石物理学特征。

    In this paper , First introduce the geologic model of continental sedimentation , the rock physics expression about oil and gas reservoir of ShengLi Oil Filed .

  4. 长期以来,云南易门铜矿区中的狮山和凤山铜矿床被认为是陆源沉积变质成因。

    The Shishan and Fengshan deposits , two main ore deposits in the Yimen copper ore district , were long considered to be of terrigenous metamorphosed sedimentary origin .

  5. 但此类生成物能否存留下来还取决于洋流是否发育,陆源沉积的补给程度等其他因素。

    But whether this kind of product can be preserved also depends on ther factors such as the development of ocean currents and the amount supplement of terrigenous sediments .

  6. 球粒陨石标准化配分模式显示,陆架区稀土均表现为轻稀土富集、重稀土亏损,具明显铕负异常,表现为典型陆源沉积。

    The chondrite-normalized REE patterns exhibit that LREE are great richer than HREE in the sediments of the continental shelf , and there is remarkable minus-abnormity of europium , representing typical terrigenous components .

  7. 台湾海峡南部既有细的陆源沉积物流入,又有上升流、黑潮暖流等的作用而形成的较粗沉积物,因而构成台湾海峡南部沉积物的复杂性。

    The sediment in south Taiwan Strait is coarser and more complex than that in the subaqueous delta of the Huanghe River because there are not only coastal current but also upwelling in south Taiwan Strait .

  8. 关于杂基在陆源碎屑沉积岩中的命名问题

    On the nomenclature of matrix in the terrigenous clastic sedimentary rock

  9. 以成熟度低、分选差的陆源碎屑沉积为主;

    It is dominated by the terrigenous clastic sediment of low maturity and poor sorting ;

  10. 中条山北段变质岩系中:绛县群变质原岩是由一套滨海相、浅海相陆源碎屑沉积为主的岩石组成;

    In the metamorphic rock series of Northern Zhongtiao Mountains , the original rocks of Jiangxian Group consist and neritie facies ;

  11. 海西运动晚期,大量的火山碎屑随同陆源碎屑沉积成岩,使其形成的这套富含火山物质的碎屑岩具有特殊的物化性质;

    In late Hercynian , a series of volcanics-rich clastic rocks were formed by sedimentation of volcanic clasts and continental clasts .

  12. 酸性火山事件粘土岩的地质产状、物质成分、特别是微量元素含量与陆源正常沉积粘土岩不同。

    The geologic occurence , composition and microelements content of acidic volcanic clay are different from those of normal terrigenous sedimentary clay .

  13. 根据野外观察,结合岩相学和地球化学的分析结果,指出这些浅变质岩的原岩均为陆源碎屑沉积岩。

    The combination of petrographic and geochemical analysis results show that these low metamorphic rocks ' protolith are terrigenous clastic sedimentary rocks .

  14. 在晚期碎屑沉积阶段,主要表现为陆源碎屑沉积作用,成矿作用相对甚弱。

    The extremely poor mineralization occurred in the late clastic sedimentary stage , and corresponds to the sedimentation process of the terrigenous clastics .

  15. 鄂尔多斯盆地中生界上三叠统延长组是一套以大型内陆盆地为背景、以河流和湖泊相为主的陆源碎屑沉积。

    The Yan-Chang formation of Upper Triassic in Ordos basin is mostly detritus sediments derived from rivers and lakes sedimentary environment on setting of inland basin .

  16. 在南海北部大陆架陆源碎屑沉积占优势的背景上,珊瑚岸礁和堡礁周围广泛发育着礁源碳酸盐和陆源碎屑组成的混合沉积。

    In the north continental shelf of the South China Sea , which is dominated by terrigenous clastic sediments , around fringing and barrier coral reefs , there widely developed recent mixed sediments , which consist of reefoid carbonates and terrigenous clastics .

  17. 织金地区位于黔西晚二叠世陆源碎屑沉积的东北缘,为龙谭型含煤沉积,属障壁&泻湖体系。

    The Zhijing area is located in the northeast margin of the Late Permian terrigenous clastic deposits in western Guizhou province . The Late Permian coal bearing deposits in the area are the Longtan type of one and belong to the barrier lagoon system .

  18. 碳酸盐与陆源碎屑混合沉积体系研究进展

    Research advances in the mixed Siliciclastic-Carbonate sedimentary systems

  19. 鄂尔多斯盆地下二叠统太原组为碳酸盐与陆源碎屑混合沉积,主要由灰岩、岩屑石英砂岩、泥岩和煤岩组成。

    The low Permian Taiyuan Formation is mixed carbonate-terrigenous clastic sediments , and is mainly composed of limestone , sublitharenite , mudstone and coal .

  20. 昆明盆地为云南省最大的新生代山间断陷盆地,具有陆源碎屑湖泊沉积特征。

    Kunming Basin is the biggest cenozoic intermontane fault basin in Yunnan province , it is characterized by lacustrine sediments mainly consisting of detrital material of terrigenous origin .

  21. 湄州湾强劲的潮流导致外海泥沙输入,但受一定程度的限制,海湾周围的陆源碎屑成为沉积物质的主要来源。

    In Meizhou Bay , the strong tidal stream transports its mud and sand from open sea , but is restricted to a certain extent , making the terrigenous clasts of the bay the main source of sediment .

  22. 区内的陆源粗碎屑沉积岩为铀的富集创造了有利条件,扇三角洲和冲积扇的主河道和分流河道是最有利于铀聚集的部位。

    The terrigenous coarse-grained clastic deposits in the study area provide favorable condition for the concentration of uranium and especially the main channels and distributary channels on the fan delta and alluvial fan are the most favorable sites for uranium concentration .

  23. 对碳酸盐与陆源碎屑的混合沉积的研究具有重要意义。

    Sedimentogenic significance of mixed carbonate and siliciclastic sediments is emphasized .

  24. 华南泥盆纪陆源碎屑岩的沉积类型

    Sedimentary type of Devonian terrigenous clastic rocks of South China

  25. 此外在半深海地区无论是冰期还是间冰期陆坡都是陆源物质的主要沉积区,槽底区的沉积速率远低于陆坡区,但二者沉积速率的差异在冰期相对减小。

    In the semi-abyssal area continental slope is the major accumulation site of terrestrial material ;

  26. 现代碳酸盐和陆源碎屑的混合沉积作用&涠洲岛珊瑚岸礁实例

    MIXED SEDIMENTATION OF RECENT CARBONATES AND TERRIGENOUS CLASTICS & Example of the Coral Reef of the Weizhou Island

  27. 珊瑚岸礁最重要特征是礁源碳酸盐和陆源碎屑的混合沉积作用。

    The mixing accumulation of fringing reef carbonates and terrigenous clastics is important feature of the coral fringing .

  28. 广义的碳酸盐与陆源碎屑的混合沉积是指碳酸盐岩与陆源碎屑岩高频率交互沉积及岩石中碳酸盐组分与陆源碎屑组分的混合产出。本文综述了混合沉积体系的研究意义;

    Mixed siliciclastic-carbonate sedimentation is interbeds of siliciclastic and carbonate rock with high-frequency or Mixed rock with both siliciclastic and carbonate components .

  29. 但硅质岩稀土元素特征反映其受陆源影响不明显,为远离陆源的深水盆地沉积。

    The rare earth elements reflect that these cherts formed in the deep-water basin far from continent where terrestrial material had no obvious effect to them .