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hydrothermal sedimentary rocks
相关语句
  热水沉积岩
     (3)Stratbound Cu-Pb-Zn metallogenic series related to the sedimentary rocks and hydrothermal sedimentary rocks.
     ③与沉积岩、热水沉积岩有关的层控Cu-Pb-Zn成矿系列类型。
短句来源
     The calculated net mass change(%) shows that the so-called "Dabaoshan granodiorite" is formed by sea-floor alteration in the recharge pipe, whereas Si-Fe-Mg mass is added to the hydrothermal sedimentary rocks.
     计算的净质量变化(%)表明:所谓大宝山“花岗闪长岩”是补给岩筒中海底蚀变的产物,而热水沉积岩则有Si-Fe-Mg质量加入.
短句来源
     The chemical composition and microelement characteristics of the banded rocks are similar to those of siliceous, sodic and iron-carbonaceous hydrothermal sedimentary rocks in the Devonian lead-zinc deposits in the Qinling region.
     条带岩的化学成分、微量元素特征与秦岭泥盆系铅锌矿床中的硅质 -钠质 -铁碳酸质热水沉积岩非常相似 ,具有热水沉积特点。
短句来源
     Isotopic Tracer of Material Origin for Hydrothermal Sedimentary Rocks and Significance in Xicheng Mineralization Area
     西成矿化集中区热水沉积岩物质来源的同位素示踪及其意义
短句来源
     The hydrothermal sedimentary rocks developed in the Devonian have higher Au contents.
     泥盆系中发育热水沉积岩,含Au较高。
短句来源
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  热液沉积岩
     3. Fe-ores have a REE range of 3.04~61.84 ppm without significant fraetionation of HREE and LREE while the layerd hydrothermal sedimentary rocks has a REE range of 120.18/557.88ppm with significant fractionation of HREE and LREE, and the both have no significant Ce depletion with only weak Eu enrichment or depletion.
     硅质岩的δ~(30)Si为-0.5‰~0.4‰; 铁矿石的ΣREE为3.04~61.84ppm,轻、重稀土分馏不明显,层状热液沉积岩的ΣREE为120.18~551.88ppm,轻、重稀土分馏明显,两者Ce亏损不明显、Eu具弱的正或负异常;
短句来源
     THE HYDROTHERMAL SEDIMENTARY ROCKS AND THEIR RELATIONSHIP WITH MINERALIZATION IN PROTEROZOIC ERA IN WEST TIANSHAN
     西天山元古界的热液沉积岩及其与成矿的关系
短句来源
     Finally, the tectonic setting and the sedimentary environment of forming these hydrothermal sedimentary rocks and their genetic relationship with Cu-mineralization are researched.
     最后,表文还分析了该热液沉积岩形成的构造背景和沉积环境以及与铜矿化的成因联系。
短句来源
     The composition of sulfur isotopes and microelements of the ore sulfides further suggests that the major materials of the hydrothermal sedimentary rocks and the ore sulfides came from the circulating syngenetic hydrothermal fluid in the deep strata.
     根据金属硫化物的硫同位素组成和微量元素组成特征进一步说明热液沉积岩和金属硫化物的主要物质来自深部地层中循环的同生热液。
短句来源
  “hydrothermal sedimentary rocks”译为未确定词的双语例句
     ON HYDROTHERMAL SEDIMENTARY ROCKS AND THEIR RELATIONSHIPS WITH MINERAL RESOURCES IN DEVONIAN PERIOD OF QINLING AREA,CHINA
     秦岭泥盆系的热水沉积岩及其与矿产的关系——概论秦岭泥盆纪的海底热水作用
短句来源
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  hydrothermal sedimentary rocks
Several kinds of hydrothermal sedimentary rocks and the ore-bearing sedimentary formations of copper-polymetals, iron and manganese exist in this region with a zoning feature of the seafloor thermalwater spout sedimentation.
      


REE geochemical studies of ores, altered wall rocks and hydrothermal-sedimentary rocks from the Jinding superlarge Pb-Zn deposit, Yunnan Province indicate that the REE patterns in ore fluids are characterized by strong LREE enrichment, with weak (negative and positive) Eu and remarked negative Ce anomalies. In conjunction with isotope and other trace element data, it is suggested that the ore-forming material was' derived mainly from CO2-riched mantle flow in which REE and part of the...

REE geochemical studies of ores, altered wall rocks and hydrothermal-sedimentary rocks from the Jinding superlarge Pb-Zn deposit, Yunnan Province indicate that the REE patterns in ore fluids are characterized by strong LREE enrichment, with weak (negative and positive) Eu and remarked negative Ce anomalies. In conjunction with isotope and other trace element data, it is suggested that the ore-forming material was' derived mainly from CO2-riched mantle flow in which REE and part of the metals were transported as carbonate-complexes. The ore fluids are weakly alkaline in nature.

对矿石、蚀变围岩和热水沉积岩REE的研究表明,金顶矿床成矿流体的REE分布特征为LREE高度富集型,具有不明显的Eu异常和清楚的负Ce异常。结合同位素及其他微量元素资料,提出其成矿物质主要来源于富CO_2的地幔流体,REE和部分金属可能是以碳酸配合物的形式搬运的,成矿溶液为(弱)碱性。

In this paper, tectonic setting in Devonian Period, Qinling area is considered to be spreading-subsidence existing soon after collision of two old plates, which control the all over sediments and mineral resources in Devonian Period. This paper mainly studies silicalites, sodium rocks (albitite)and baritic rocks which are considered to be hydrothermal sedimentary rocks (exhalites). Furthermore, silicalites belong to be formed by sedimentary genesis; sodium rocks were formed by sedimention-replacement...

In this paper, tectonic setting in Devonian Period, Qinling area is considered to be spreading-subsidence existing soon after collision of two old plates, which control the all over sediments and mineral resources in Devonian Period. This paper mainly studies silicalites, sodium rocks (albitite)and baritic rocks which are considered to be hydrothermal sedimentary rocks (exhalites). Furthermore, silicalites belong to be formed by sedimentary genesis; sodium rocks were formed by sedimention-replacement of hydrothermal water and clay sediments; baritic rocks were generated by reaction of sea-water and hydrothermal water on the sea-floor. This paper first of all studies the relationship of hydrothermal sedimentary rocks and mineral resources which were rarely known before and, particularly, anew recognize in the genesis of two gold depsits (Ertaizi and Shuangwang) is put forward Finaly, this paper has a preliminary estimate of the hydrothermal activity in Devonian Period on the sea-floor of Qinling and the following conclusions is drawn, there exist hydrothermal activity on sea-floor independent of volcanic activity and hydrothermal sedimentary rocks, which is worth studying.

拉张下陷无疑是秦岭泥盆纪的构造环境,其特殊之处在于发生在华北板块与扬子板块对接之后不久,就控制了泥盆纪海陆分布、沉积物和矿产形成以及相应的热水作用。本文对秦岭泥盆系出现较多的硅质岩、钠质岩和重晶石岩的地质地球化学特征进行了研究,论证了它们属热水沉积岩,并进一步区分出硅质岩属热水沉积成因、钠质岩属热水沉积交代成因,而重晶石岩是热水与海水混合反应形成的。同时对秦岭泥盆系的热水沉积岩与7种主要金属、贵金属矿产的关系进行了研究,提出海底热水作用是秦岭泥盆纪的主要地质事件之一,并相应地形成3种热水沉积含矿建造和热水沉积成矿系列。

In this paper, tectonic setting in Devonian Period, Qinling area is considered to be spreading-subsidence existing soon after collision of two old Plates, which control the all over sediments and mineral resources in Devonian Period, This paper mainly studies silicalites, sodium rocks (albitite)and baritic rocks which are considered to be hydrothermal sedimentary rocks(exhalites). Furthermore, silicalites belong to be formed by sedimentary genesis; sodium rocks were formed by sedimention-replace-...

In this paper, tectonic setting in Devonian Period, Qinling area is considered to be spreading-subsidence existing soon after collision of two old Plates, which control the all over sediments and mineral resources in Devonian Period, This paper mainly studies silicalites, sodium rocks (albitite)and baritic rocks which are considered to be hydrothermal sedimentary rocks(exhalites). Furthermore, silicalites belong to be formed by sedimentary genesis; sodium rocks were formed by sedimention-replace- ment of hydrothermal water and clay sediments; baritic rocks were genera- ted by reaction of sea-water and hydrothermal water on the sea-floor. This paper first of all studies the relationship of hydrothermal sedimentary rocks and mineral resources which were rarely known before and, particularly. anew recognize in the genesis of two gold depsits(Ertaizi and Shuangwang) is put forward Finaly, this paper has a preliminary estimate of the the hydro- thermal activity in Devonian Period on the sea-floor of QinliFig and the following conclusions is drawn: there exist hydrothermal activity on sea- floor independent of volcanic activity and hydrothermal sedimentary rocks, which is worth studying.

拉张下陷无疑是秦岭泥盆纪的构造环境,其特殊之处在于发生在华北板块与扬子板块对接之后不久,就控制了泥盆纪海陆分布、沉积物和矿产形成以及相应的热水作用。本文对秦岭泥盆系出现较多的硅质岩、钠质岩和重晶石岩的地质地球化学特征进行了研究,论证了它们属热水沉积岩,并进一步区分出硅质岩属热水沉积成因、钠质岩属热水沉积交代成因,而重晶石岩是热水与海水混合反应形成的。同时对秦岭泥盆系的热水沉积岩与7种主要金属、贵金属矿产的关系进行了研究,提出海底热水作用是秦岭泥盆纪的主要地质事件之一,并相应地形成3种热水沉积含矿建造和热水沉积成矿系列。

 
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