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jade热液
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  jade hydrothermal field
     Rare earth elements of 6 massive sulphide samples from the Jade hydrothermal field in the central Okinawa Trough have been analyzed with the ICP-MS.
     用ICP-MS对冲绳海槽Jade热液活动区中6个块状硫化物样品进行了稀土元素分析。
短句来源
     Silver Enrichment and Mineralization of Seafloor Hydrothermal Sediment from the Jade Hydrothermal Field in the Middle Okinawa Trough
     冲绳海槽中部Jade热液区热液沉积物中Ag的富集成矿作用
短句来源
     He, Ne and Ar isotope compositions of fluid inclusions in massive sulfides from the Jade hydrothermal field, Okinawa Trough
     冲绳海槽Jade热液区块状硫化物中流体包裹体的氦、氖、氩同位素组成
短句来源
     Sulfur isotopic composition of seafloor hydrothermal sediment from the Jade hydrothermal field in the central Okinawa Trough and its geological significance
     冲绳海槽中部Jade热液活动区中海底热液沉积物的硫同位素组成及其地质意义
短句来源
     The hydrothermal sediments from Jade hydrothermal field are mainly composed of massive sulfide ore and massive sulfate ore.
     冲绳海槽Jade热液活动区热液沉积物主要以块状硫化物和硫酸盐矿物为主。
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  “jade热液”译为未确定词的双语例句
     Rare earth element and strontium-neodymium isotope characteristics of hydrothermal chimney in Jade area in the Okinawa Trough
     冲绳海槽Jade热液场烟囱物稀土元素和锶、钕同位素地球化学特征
短句来源
     The rare earth element components of hydrothermal chimney in Jade area in the Izena depression are characterized by enriched light rare earth element and high positive europium abnormity.
     冲绳海槽中的伊是名(Izena)海洼Jade热液活动区烟囱物稀土元素特征表现为轻稀土元素相对富集,并具有铕的较强的正异常.
短句来源
     All these characteristics indicate that the acidic lava is maybe the main source of hydrothermal sulfide deposits in the Jade area.
     这些特征表明,Jade热液活动区的热液硫化物矿床的成矿物质来源于下伏的酸性火山岩.
短句来源
  相似匹配句对
     O_S ISOTOPIC COMPOSITIONS OF SEAFLOOR MASSIVE SULFIDES FROM THE JADE HYDROTHERMAL FIELD IN THE OKINAWA TROUGH
     冲绳海槽Jade热液区海底块状硫化物的Os同位素组成
短句来源
     ON HYDROTHERMAL ROCK
     关于热液
短句来源
     HYDROTHERMALLY METAMORPHOSED COAL
     热液变质煤
短句来源
     Silver Enrichment and Mineralization of Seafloor Hydrothermal Sediment from the Jade Hydrothermal Field in the Middle Okinawa Trough
     冲绳海槽中部Jade热液热液沉积物中Ag的富集成矿作用
短句来源
     The prototyping system was implemented from JADE.
     采用JADE平台,实现了原型系统.
短句来源
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New data on lead isotpe compositions of five massive sulfide samples from the Jade hydrothermal field in the Okinawa Trough were obtained, and the Pb isotope ratios of massive sulfides are homogeneous and define a small field (the range of ~(206)Pb/~204Pb ratios is from 18. 491 to 18. 609, with a mean of 18. 542, the range of ~(207)Pb/ ~(204)Pb ratios is from 15. 580 to 15. 684, with a mean of 15. 626, and the range of ~(208)Pb/~(204)Pb ratios is from 38. 570 to 38. 859, with a mean of 38. 702). In Pb-Pb diagrams,...

New data on lead isotpe compositions of five massive sulfide samples from the Jade hydrothermal field in the Okinawa Trough were obtained, and the Pb isotope ratios of massive sulfides are homogeneous and define a small field (the range of ~(206)Pb/~204Pb ratios is from 18. 491 to 18. 609, with a mean of 18. 542, the range of ~(207)Pb/ ~(204)Pb ratios is from 15. 580 to 15. 684, with a mean of 15. 626, and the range of ~(208)Pb/~(204)Pb ratios is from 38. 570 to 38. 859, with a mean of 38. 702). In Pb-Pb diagrams, the Pb isotope ratios of massive sulfides form a linear array, that is similar to those of the sediment and altered volcanic rock samples in the Jade hydrothermal field. The lead isotopic compositions of Jade massive sulfides tend to be slightly more radiogenic than those of fresh felsic volcanic rocks, which shows that the sources of lead in the Jade massive sulfides is a mixture of sedimental lead plus a component derived from felsic volcanic rocks. Comparing the lead isotopic compositions of hydrothermal sediments from different hydrothermal fields, it is clear that the lead-isotopic compositions of hydrothermal sulfides from the hydrothermal fields not covered with sediments reflect the composition of the mantle source, whereas in the hydrothermal fields covered sediments, the lead isotopic compositions of hydrothermal sulfides are either a mixture of mantle and sedimentary lead or it may even be completely dominated by the latter, and the difference of geologic-tectonic settings in seafloor hydrothermal fields is the major reason to result in the variation of lead isotopic compositions in the hydrothermal sediments.

新测得Jade热液活动区中5件块状硫化物样品的铅同位素组成,具有较小的变化范围,表现出较均一的铅同位素组成特征。在Pb-Pb图解上,块状硫化物的铅同位素数据构成线形排列,与该区沉积物和蚀交火山岩的铅同位素组成一致,而与该区新鲜火山岩相比具较高的放射成因铅,证实了该区海底块状硫化物中的铅是由沉积物与长英质火山岩来源铅共同构成的混合铅。不同热液活动区铅同位素组成对比研究表明,地质构造环境的不同是导致各热液活动区中热液沉积物铅同位素组成变化的主要原因。

Eighteen samples of hydrothermal sediments from the Jade hydrothermal field in the central Okinawa Trough have been analyzed. Sulfur isotopic values for 10 sulfide samples vary from 5. 2 ×10 - 3 to 7. 2 × 10 - 3, δ34S values for 7 sulfate samples vray from 16. 3 × 10 -3 to 22 - 3 × 10-3, and δ34S value for 1 native sulphur sample is 8. 2 ×10 -3. The major sources of sulfur for hydrothermal sediment are intermediate to acid volcanic rocks and seawater sulfate, and it is peible that the partial sulfur of hydrothermal...

Eighteen samples of hydrothermal sediments from the Jade hydrothermal field in the central Okinawa Trough have been analyzed. Sulfur isotopic values for 10 sulfide samples vary from 5. 2 ×10 - 3 to 7. 2 × 10 - 3, δ34S values for 7 sulfate samples vray from 16. 3 × 10 -3 to 22 - 3 × 10-3, and δ34S value for 1 native sulphur sample is 8. 2 ×10 -3. The major sources of sulfur for hydrothermal sediment are intermediate to acid volcanic rocks and seawater sulfate, and it is peible that the partial sulfur of hydrothermal sediment is from the pelagic sediment by the interaction between hydrothermal fluid and sediment. The reasons of causing the distinct differences in sulfur isotope values for sulfide samples from hydrohermal sediment (compared with other hycdrothermal fields), are the differences in the sources of sulfur, the magmatic activity and the tectonic evoution in different hydrothermal fieds. The sulfur evoution is a long and complex process in the seanoor hydrohermal system, invoving the ascending of heating seawater, the interaction between fluid and vocanic meks, the miking of seawater sulfate and sulfur bo intermediate to acid vodric meks, and the fluid/pelagic - sediment interation. And the interactbo between seawater and intermediate to acid vocanic rocks is a wit mechanism for the sulfur evolution in the Jade hydrothermal field.

测定了冲绳海槽中部Jade热液活动区中18个热液沉积物样品的硫同位素组式,其中10个硫化物样品的δ34S值为5.2×10-3~7.2×10-3,7个硫酸盐样品的34S值为16.3×10-3~22.3×10-3,1个自然硫样品的δ34S值为8.2×10-3热液沉积物的硫主要来自中、酸性火山岩和海水,并且在流体与沉积物相互作用过程中海底沉积物也可能为热液沉积物的形成提供部分的硫.导致本区热液沉积物中硫化物与其他热液活动区的硫同位素组成不同的原因,主要是各热液活动区的硫源以及有关岩浆活动和构造演变的不同.海底热液体系中硫的演化是一个复杂的过程,涉及被加热海水的上升、流体与火山岩的相互作用、海水硫酸盐和中、酸性火山岩中流的混合作用以及流体与沉积物相互作周等一系列海底热液活动,其中海水和中、酸性火山岩的相互作用是本区硫演化的一个重要机制.

A total of 1 264 sulfur isotopic values for modern seafloor hydrothermal sediments from different hydrothermal fields have been collected. Sulfur isotopic data for surface hydrothermal sediments from the Jade hydrothermal field in the Okinawa Trough with the TAG hydrothermal field in the Mid-Atlantic Ridge, spectively. Comparing the sulfur isotopic compositions and discussing their sources of sulfur in seafloor hydrothermal sediments from different geologic-tectonic setting are comared and their soures of sulfur...

A total of 1 264 sulfur isotopic values for modern seafloor hydrothermal sediments from different hydrothermal fields have been collected. Sulfur isotopic data for surface hydrothermal sediments from the Jade hydrothermal field in the Okinawa Trough with the TAG hydrothermal field in the Mid-Atlantic Ridge, spectively. Comparing the sulfur isotopic compositions and discussing their sources of sulfur in seafloor hydrothermal sediments from different geologic-tectonic setting are comared and their soures of sulfur ard discussed. The results show that:(1) Sulfur isotopic values of sulfides and sulfates in modern seafloor hydrothermal sediments are mostly concentrated in a narrow range, δ 34 S values of sulfides vary from 1‰ to~9‰, with a mean of 4 5‰(n=1042), δ 34 S values of sulfates vary from 19‰ to ~24‰, with a mean of 21 3‰(n=217);(2) Comparing the sulfur isotopic compositions of hydrothermal sediments from the sediment-hosted hydrothermal fields, the range of sulfiur isotopic values for hydrothermal sediments from the sediment-free hydrothermal fields is narrow relatively;(3) The differences of sulfur isotopic compositions in sulfides from different hydrothermal fields show the differences in the sources of sulfur. The sulfur of hydrothermal sulfides in the sediment-free mid-ocean ridges is mainely from mid-coean ridge basalt,and partial from reduced sea water sulfate, it is the result of totally to partially reduced sea water sulfate mixing with basaltic sulfur. And in the sediment-hosted mid-ocean ridges and the back-arc basins, besides the volcanics, the sediments and the organic matters also can offer their sulfur for forming hydrothermal sulfides;(4) The variations of sulfur isotopic compositions and the different sources of sulfur for hydrothermal sediments may probably be attributed to the variations of physical-chemical properties of hydrothermal fluids, the magmatic evolution and the different geologic-tectonic settings of seafloor hydrothermal systems.

共收集到现代海底热液沉积物的 1 2 6 4个硫同位素数据 ,结合我们对冲绳海槽Jade热液区和大西洋中脊TAG热液区中表层热液沉积物的硫同位素研究成果 ,对比分析了不同地质 -构造环境中海底热液沉积物的硫同位素组成特征及其硫源问题 .结果表明 :(1 )现代海底热液沉积物中硫化物的硫同位素组成集中分布在 1‰~9‰之间 ,均值为 4 5‰ (n =1 0 42 ) ,而硫酸盐矿物的硫同位素组成主要分布在 1 9‰~ 2 4‰之间 ,均值为 2 1 3‰ (n =2 1 7) ;(2 )无论在洋中脊还是在弧后盆地扩张中心 ,无沉积物覆盖热液活动区中热液沉积物与有沉积物覆盖热液活动区相比 ,其硫同位素组成的分布范围相对狭窄 ;(3)各热液活动区中硫化物硫同位素组成的不同 ,反映出各自硫源的差异性 .无沉积物覆盖洋中脊中热液成因硫化物的硫主要来自玄武岩 ,部分来自海水 ,是玄武岩和海水硫酸盐中硫不同比例混合的结果 ,而在弧后盆地和有沉积物覆盖的洋中脊 ,除了火山岩以外 ,沉积物和有机质均可能为热液硫化物的形成提供硫 ;(4)现代海底热液沉积物硫同位素组成的变化和硫源的不同可能归因于海底热液体系中流体...

共收集到现代海底热液沉积物的 1 2 6 4个硫同位素数据 ,结合我们对冲绳海槽Jade热液区和大西洋中脊TAG热液区中表层热液沉积物的硫同位素研究成果 ,对比分析了不同地质 -构造环境中海底热液沉积物的硫同位素组成特征及其硫源问题 .结果表明 :(1 )现代海底热液沉积物中硫化物的硫同位素组成集中分布在 1‰~9‰之间 ,均值为 4 5‰ (n =1 0 42 ) ,而硫酸盐矿物的硫同位素组成主要分布在 1 9‰~ 2 4‰之间 ,均值为 2 1 3‰ (n =2 1 7) ;(2 )无论在洋中脊还是在弧后盆地扩张中心 ,无沉积物覆盖热液活动区中热液沉积物与有沉积物覆盖热液活动区相比 ,其硫同位素组成的分布范围相对狭窄 ;(3)各热液活动区中硫化物硫同位素组成的不同 ,反映出各自硫源的差异性 .无沉积物覆盖洋中脊中热液成因硫化物的硫主要来自玄武岩 ,部分来自海水 ,是玄武岩和海水硫酸盐中硫不同比例混合的结果 ,而在弧后盆地和有沉积物覆盖的洋中脊 ,除了火山岩以外 ,沉积物和有机质均可能为热液硫化物的形成提供硫 ;(4)现代海底热液沉积物硫同位素组成的变化和硫源的不同可能归因于海底热液体系中流体物理化学性质的变化、岩浆演化和构造 -地质背景的不同 .

 
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