• 黄海盆地勿南沙隆起西北部海区海床表层密实砂质粉俗称铁板

    The surface soil property on the seabed northwest area of Wunansha uplift in the South Yellow sea Basin is medium compact silt fine sand and sandy silt, which are usually called ferro plate sand.

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  • 另外单元含量泥岩要高,从积岩序列的底部旋回至上部回金含量降低由不稳定稳定等规律。

    At other hand, the golden content of the sandstone is higher than that of fine grain siltstone and mudstone, and tends to decrease and stabilize upward in the turbidite sequence.

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  • 秦岭地区广泛分布斑岩,主要赋存于古生界志留系泥盆系的砂质板岩中,大部分含金较高。

    The lamprophyres are widely distributed in Qinling, which are mostly well auriferous. The lamprophyres are occurred in silty slates of Palaezoic Silurian and Devonian systems.

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  • 容矿岩石主要为钙砂质板岩

    The host rocks are mainly calcareous siltstone and silty slate.

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  • 黑土湖组为全新—中期湖沼相沉积的灰黑色粘土类砂质粘土,大量淡水蚌介壳;

    Heituhu formation is gray and gray-black silty clay with limnological facies in early and middle period of Holocene, and bearing lots of spiral case;

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  • 采用rljw—2000型岩石流变伺服仪,分级加载条件完成饱和泥岩三轴压缩应力松弛试验

    The stress relaxation test of saturated silty mudstone under triaxial compression is carried out on the rljw-2000 rock microcomputer-controlled rheology servo test system by step loading method.

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  • 主要岩性有变泥质粉长石石英砂质长石石英岩、长石杂岩、云石英千枚岩

    Its main rocks is the metamorphic pelitic siltstone, the feldspathic quartz wacke, the fine sandial feldspathic quartz siltstone, the feldspathic wacke and the sericite quartz phyllite etc.

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  • 大亚湾表层沉积物砂质粘土、粘土质粉为主组成。

    The particle size of the surface sediments in Daya Bay mainly consisted of silty clay, clay silt and silt.

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  • 江苏滩涂砂质沉积物组成有机含量结构性能力

    Seashore is composed of silty sediment in Jiangsu province, content of organic matter is low, soil structure is bad, and the capacity of resistance to erosion is weak.

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  • 结果表明黄海沉积物类型砂质粘土(TY)砂--粘土(STY)为主

    The main results are as follows: the sediment types of the sampling stations mainly belong to silt-clay (ty) and sand-silt-clay (STY) in the Southern Yellow Sea.

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  • 赋存稳定结构简单煤种为FM、JM,煤层顶板石灰岩、底板为泥质粉岩、泥岩

    The occurrence is steady and the structure is simple with FM, JM types of coal, whose roof is limestone and siltstone and bottom is muddy siltstone and sandy mudstone;

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  • 天然决口扇、溢岸砂质泥,很难成为有效储层

    The natural levee, crevasse splay and overbank sand are difficult to be effective reservoir for their content of mud-bearing silt, silty mud and unmixed mud.

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  • 研究表明第四纪下界存在于该剖面灰绿色粘土红褐色粘土之间MG面上)。

    We also discover the Lower Quaternary limit locates in M/G boundary or the interface between the grey-green clay-silty sand layer and brown-red silty clay sand layer.

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  • 研究表明第四纪下界存在于该剖面灰绿色粘土红褐色粘土之间MG面上)。

    We also discover the Lower Quaternary limit locates in M/G boundary or the interface between the grey-green clay-silty sand layer and brown-red silty clay sand layer.

    youdao

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