海相沉积
- 名Marine sedimentation;marine deposit/sediment
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稀土元素标准化配分曲线呈现出轻稀土富集、重稀土平坦和明显Eu、Ce负异常特征,类似于上地壳和典型太古代页岩,具有海相沉积特征。
The REE patterns of analyzed sediment rocks in the Pingxiang basin are similar to those of the upper crust and typical Archean shales , and show enriched LREE and flat HREE with obvious Eu-and Ce-anomalies .
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通过对含硼白云质大理岩C、O同位素及B同位素地球化学进行分析显示了该矿床海相沉积碳酸盐岩的特点,地层及矿体中的硼质同来源于深部。
Analyzing the Geochemistry of C 、 O isotopes and B istope in boracic dolomitic marble , it can be seen that the ore is marine sediment carbonate type , that is , the boron in the layer and in the ore came from the depth .
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一般来说,元素Cu、Zn、Ni、P、Ba等在海相沉积中富集一般与内源有关,所以地球深部流体对有机质的富集和保存具有一定作用。
Generally speaking , the enrichment of Cu , Zn , Ni , P , Ba are related to the inner matter of the earth , so the fluids of interior earth has some effect on the enrichment and preservation of the organic matter .
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而此线以东的地区Z值>120,δ18O、δ13C均说明为海相沉积,与以前的沉积环境研究结论一致。
The Z ( > 120 ), 18O and 13C values in the areas to the east of the line show that the sedimentary rocks deposited in marine environment , which is corresponding to the results of sedimentary environment studies obtained earlier .
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自奥陶纪至古近纪约5亿年期间发育一套基本连续的海相沉积,厚度达14km,是研究特提斯洋形成演化的最佳地区。
There developed basic unharmed marine strata being about 14 000 m in thickness during about 50 million years from the Ordovician to the Paleogene .
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前造山阶段(Ⅰ)为稳定海相沉积阶段。
The pre-orogenic stage (ⅰ) was a stable marine sedimentary stage .
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浙江第四纪泥质海相沉积层的形成和鉴别
The formation and identification of Quaternary marine pelitic sediments in Zhejiang
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海相沉积流塑状淤泥中管桩基础基坑开挖技术
Foundation Pit Excavation Technique for Piles in Marine Deposit Current-formed Silt
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中侏罗统是其盆地发育最全、分布最广泛的海相沉积层系。
Middle Juassic marine sedimentary strata are widespread in the basin .
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海相沉积层序的级别及形成机制
Hierarchy and forming mechanism of sequence in marine depositional sequence
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不整合面标志着河相至边缘海相沉积的相变。
The unconformity marks the change from fluvial to marginal marine deposition .
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与海相沉积盆地演化有关的盆地流体体系;
Basin fluid system in connection with sedimentary basin evolution ;
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沉积成矿系列的陆、海相沉积型矿床。
Continental and sea facies depositional type in sedimentation ore forming system .
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大陆架海域海相沉积;
The marine sedimentary rocks in the sea shelves ;
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海相沉积岩是中国石油工业未来的希望
Marine Facies Sedimentary Rocks : The Future Expectation of China 's Petroleum Industry
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中国主要气区海相沉积层序特点与大中型气田分布规律
Marine sedimentary sequences and major gas fields in China
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旋挖钻进工艺在海相沉积地层中的应用
The Application of Rotary Drilling to Marine Sedimentary Strata
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建于海相沉积流塑状淤泥层中大型泵房沉井施工技术
Open Caisson Construction Technique for Large Bump House above Marine Deposit Current-formed Silt
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非海相沉积层序的成因和构型特征
Genetic & Architectural Characteristics of Non-marine Depositional Sequence
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中扬子区海相沉积盆地性质研究
Study on the character of marine sediment basin in the mid - Yangtze area
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海相沉积粉质中间土的物理状态
On physical state of natural marine intermediate soils
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在海相沉积之后接受了陆相沉积,中生代盆地环特提斯洋分布,属南前陆盆地带。
Mesozoic basins are distributed around Tethys and belong to southern foreland basin zone .
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山间盆地海相沉积;
The marine sedimentary rocks in intermountain basins ;
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晚三叠世末期楚雄盆地云龙凹陷海相沉积的分子地球化学证据
Molecular geochemical evidences of marine deposit in Late Triassic Yunlong Sag , Chuxiong Ravin
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四川盆地三叠纪海相沉积石膏和卤水的硫同位素研究
Study on Sulfur Isotopes of Trias Marine Deposit Gypsum and Brines in the Sichuan Basin
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深圳后海湾海相沉积淤泥固结变形特性研究
Study on the Properties of Deformation and Consolidation of Marine Clay at Shenzhen Houhai Bay
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山区海相沉积矿床开采岩体移动分析
Analysis of rock mass displacement due to underground mining of marine deposit in mountain area
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此方法在中国南方海相沉积盆地可有较好的应用前景。
This method will have a good applied foreground in marine strata in southern China .
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海相沉积是中国21世油气勘探新的主战场
Marine Sequence : A New and Major Objective of Petroleum Exploration in 21st Century in China
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南海盆地中生代海相沉积地层分布特征及勘探潜力分析
Distribution Characters and Exploration Potential of Mesozoic Sea Facies Sedimentary Strata in the South China Sea Basin