• 风化碎屑溶解不溶残余

    Products of weathering: clastic particle, soluble materials and residue.

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  • 众所周知碳酸盐碎屑一种含有大量碎屑物重力流。

    It is common knowledge that the carbonate fragmental flow is one of the gravity flow, which contains a number of coarse fragmental materials.

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  • 碎屑物常量化学成分投点表明形成时构造背景被动大陆边缘

    The data of chemical composition of sediments indicate that the tectonic background of the turbidites is passive continental margin environment.

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  • 沉积粒度数据端员分析结果表明冲绳海槽北部全新沉积中的硅酸盐碎屑由陆源碎屑火山灰按不同的比例混合而成的。

    It is shown from the analysis results of grain size data that the sediments from the northern Okinawa Trough are mixture of terrigenous materials and volcanic ash during the Holocene epoch.

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  • 碎屑沉积颗粒大小是个重要因素

    In clast IC sediments particle size is an important factor.

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  • 岩石颗粒之间胶结沉淀过程,由此形成固态碎屑沉积岩,为石化作用的一个阶段

    The process of precipitation of cement between mineral or rock grains and forming solid clastic sedimentary rock, one phase of lithification.

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  • 形成混合沉积条件是具备碳酸盐碎屑两类活跃水动力干湿交替气候,此外,海平面的相对波动也会造成积极的影响

    Occurrence of both carbonate and siliciclastic sources, active hydrodynamic regimes, alternate dry and wet climates, and the fluctuation of sea level are main factors for forming mixed sediments.

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  • 他们认为,阿三段沉积时期该区接受来自方向碎屑沉积形成两种截然不同储集岩体

    It is considered that the district received clastic sediments from two matter source directions during the Asan sedimentation period and formed two completely different reservoir rock bodies.

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  • 分析大姚铜矿砂岩常量元素,反映其成成矿的构造背景,砂岩铜矿碎屑岩的常量元素特征主要源区控制。

    The major elements of clastic rocks in sandstone copper deposit are controlled by the tectonic setting of source area.

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  • 因此模型用于填隙含量较高碎屑储层孔隙度预测

    This model is suitable for predicting the porosity of clastic rock reservoirs with relatively high matrix content.

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  • 广西沿海主要岛屿海滩沉积分为砾质沉积砂质沉积、碎屑沉积。

    Seabeach sediment on the main island area of Guangxi coast can divided into gravelly, sandy, bioclastic deposition.

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  • 随后挤压阶段湖泊为三角洲河流碎屑沉积充填

    In the after strike slip compressional stage, this lake was filled up with the clastic sediments of deltic and fluvial facies.

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  • 分析表明,无序间层粘土主要由中性火山碎屑(岩)原地蚀变、转化而成,而有序间层粘土岩则酸性岩蚀变成。

    The results show that the disordered and ordered clay rocks are respectively formed by intermediate and acidic pyroclasts in the sedimentary basins.

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  • 本文研究了碎屑沉积粒度分布特征沉积水动力条件关系

    The relationship between the characteristics of the grain-size distributions of thin beds for clastic sediment and the conditions of waterpower in deposition is studied in the article.

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  • 碎屑沉积衍生陆地大部分硅酸盐形式存在,河流和风的作用而沉积于海洋。

    It derives from land materials, mostly in the form of aluminosilicate minerals, and is deposited in the ocean by rivers and wind.

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  • 一种位于岛弧盆地,经火山碎屑沉积典型

    A basin situated within an island arc and typically containing sediments rich in volcanic debris.

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  • 这些冰河沉积下方较老岩层沥青铀矿黄铁矿碎屑;这两种被认定大气中氧气极为稀少证据

    In the older rocks below these glacial deposits are detrital uraninite and pyrite two minerals considered evidence for very low levels of atmospheric oxygen.

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  • 片钠铝石作为胶结、自生体,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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  • 近岸浅水条件丰富陆源碎屑局部还原形成富铀沉积三个基本条件

    Nearshore shallow water environment, abundant terrestrial fine detritus, local reduction facies and zones are three cardinal conditions for the formation of uranium-rich sediments.

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  • 火山碎屑堆积中的浮岩岩石化学分析结果表明岩浆成分为粗面质。

    Petrochemistry analysis of pumice component indicates that the magma can be assigned to trachytic magma.

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  • 陆坡下部区的火山碎屑浊流沉积中放射虫化石亦不丰富。

    In the low area of continental slope, radiolaria fossils are poor in the volcanic cinders and turbidite.

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  • 混合沉积陆源碎屑碳酸盐包括异化粒等 )在沉积上的混合。

    The mixing deposits mean the mixing of terrigenous clastics (siliciclastics) and carbonates (including allochem grains).

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  • 碎屑沉积记录着有关性质构造演化等诸多重要的信息对于沉积盆地分析和理解区域构造演化都有重要指示意义。

    Clastic sediments bears much information about the nature of source rocks and their tectonic evolution, which is significant for sedimentary basin analysis.

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  • 主要论述了这次大爆发火山喷发碎屑堆积层序分布

    The author deals with mainly the sequence and distribution of the pyroclastic deposits of the 800 a. B. P. eruptions.

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  • 油井井底碎屑小件落打捞一直沿用强打捞器和循环打捞

    The fishing magnet and recycle fishing basket have always been used for fishing the ch ips and sm all junks in the oilwell bottom.

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  • 油井井底碎屑小件落打捞一直沿用强打捞器和循环打捞

    The fishing magnet and recycle fishing basket have always been used for fishing the ch ips and sm all junks in the oilwell bottom.

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