• 根据岩石类型颜色自生矿物特征,对沉积体系进行划分

    The sedimentary systems were divided according to the characteristics in rock types, color and authigene.

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  • 海相岩石自生矿物中的同位素组成反映沉积时期海平面波动趋势

    The Strontium isotope composition of Marine autogenetic minerals can reflect the sea level fluctuation trend during the minerals deposited.

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  • 高岭石大部分菱铁矿、黄铁矿硅质自生矿物少部分方解石反映了陆相环境

    Kaolinite, a number of siderites, pyrites, siliceous authigenic minerals and a few calcites represent continental environment.

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  • 根据生矿物粘土组合塔里木碎屑中可以识别出成岩环境

    Based on the authigenic and clay mineral assemblage, two types of diagenetic ambient have been recognized in the meso - cainozoic detrital rocks in tarim basin.

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  • 研究结果表明,本区储层砂岩较低渗透率主要成因成岩各种自生矿物充填胶结作用。

    The results indicate that the forming mechanism of the low permeability in this area is the filling and cementation of autogenetic mineral during diagenesis.

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  • 高倍荧光显微镜观察这些暗色泥岩砂质碎屑矿物自生矿物发现丰富的微石油包裹体群。

    With high magnification of microscopy, a lot of petroleum inclusions were found, which occur in the fissures of sand grains and authigenic minerals in the source rock.

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  • 循环热对流是深部层流体主要流动方式,它控制自生矿物砂层中的析出位置孔隙分布特征

    As the main flow manner of formation water in deep reservoir, circulated convection current controlled authigenic mineral location and secondary pore distribution.

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  • 根据岩石类型颜色自生矿物化石特征,进一步将上古沉积体系划分7沉积相和12种沉积亚相。

    The sedimentary systems were divided 7 facies and 12 subfacies according to the characteristics in rock types, color, authigene and biological fossil.

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  • 片钠铝石作为胶结物、自生矿物体,不仅分布海相白云岩油页岩中,而且广泛分布在陆源碎屑煤系地层中。

    As cement, authigenic mineral or vein, dawsonite is found not only in Marine dolomite and oil shale, but also in terrigenous fragmentary rock and coal measures.

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  • 长石钠长石化作用长石、岩屑的水化水解作用、溶解作用,导致了不稳定组分的转变以及大量离子游离孔隙水中,同时导致大量的生矿物沉淀。

    The hydration-hydrolysis and dissolution rock fragments and feldspar and albitization of feldspar make many ions free from their framework and go into pore-water.

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  • 这个意义来说混凝土机械特性耐久性自生现象因为采用了矿物掺合剂而得到了修正[8]。

    In this sense, the mechanical characteristics of concrete, durability, and non-autogenous phenomena are modified with the use of mineral admixtures [8].

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  • 矿物添加剂改善混凝土现象

    The improvements produced by the mineral additions can also modify the autogenous phenomena in concrete.

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  • 自生沸石是地下孔隙发育标志矿物

    Authigenic zeolites are index minerals for the growing band of secondary pores.

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  • 碳酸盐岩中自生碳酸盐矿物主要为文石高镁方解石少量白云石、铁白云石菱铁矿

    X-ray studies show that carbonate minerals are aragonite, high-Mg calcite, and lesser dolomite, ankerite and siderite.

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  • 泥岩一种较好的“封闭体系”,当孔隙水中大量HCO-3来源时,其中的碳酸盐沉淀形成方解石矿物

    Carbonate could be precipitated as authigenic calcite mineral in the pores in case of that pore has enough HCO 3 - ions since mudstone should be an enclosed system.

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  • 晚期自生粘土形成早期粘土矿物重结晶作用

    Formation of late authigenic clay minerals and recrystallization of early clay minerals.

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  • 胶结作用表现石英长石加大自生粘土矿物碳酸盐和硬石膏胶结依次形成充填孔隙

    Cementation is showed by the secondary enlargement of quartz and feldspar, the successive formation and pores filling of cementing material of authigenic clay mineral, calcite and anhydrite, etc.

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  • 不同转化带,自生粘土矿物分布产状也不同,其中孔隙桥接粘土对孔隙度渗透率影响最大

    The influences of pore-bridging clay on the porosity and permeability of the reservoir are prominent.

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  • 成岩矿物主要薄膜绿泥石加大石英矿物还有磷灰石、充填状硅质及碳酸盐矿物

    Diagenetic minerals are mainly thin film shaped chlorite and increasing shaped quartz minerals. There are autogenous apatites, filled silicious and carbonate minerals as well.

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  • 成岩矿物主要薄膜绿泥石加大石英矿物还有磷灰石、充填状硅质及碳酸盐矿物

    Diagenetic minerals are mainly thin film shaped chlorite and increasing shaped quartz minerals. There are autogenous apatites, filled silicious and carbonate minerals as well.

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