风化物:碎屑物质、溶解物质和不溶残余物质。
Products of weathering: clastic particle, soluble materials and residue.
众所周知,碳酸盐质碎屑流是一种含有大量粗碎屑物的重力流。
It is common knowledge that the carbonate fragmental flow is one of the gravity flow, which contains a number of coarse fragmental materials.
碎屑物常量化学成分投点表明,其形成时构造背景属被动大陆边缘。
The data of chemical composition of sediments indicate that the tectonic background of the turbidites is passive continental margin environment.
沉积物粒度数据的端员分析结果表明,冲绳海槽北部全新世沉积物中的硅酸盐碎屑是由陆源碎屑物质和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.
在碎屑沉积物中,颗粒大小是个重要因素。
在矿物或岩石的颗粒之间的胶结物沉淀过程,由此形成固态的碎屑沉积岩,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.
形成混合沉积的条件是具备碳酸盐和硅质碎屑两类物源、活跃的水动力和干湿交替的气候,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.
他们认为,阿三段沉积时期,该区接受来自两个物源方向的碎屑沉积,形成两种截然不同的储集岩体。
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.
分析大姚铜矿砂岩类的常量元素,反映其成岩成矿的构造背景,砂岩铜矿中碎屑岩的常量元素特征主要受物源区控制。
The major elements of clastic rocks in sandstone copper deposit are controlled by the tectonic setting of source area.
因此该模型可用于填隙物含量较高的碎屑岩储层孔隙度预测。
This model is suitable for predicting the porosity of clastic rock reservoirs with relatively high matrix content.
广西沿海主要岛屿区海滩沉积物分为砾质沉积、砂质沉积、生物碎屑沉积。
Seabeach sediment on the main island area of Guangxi coast can divided into gravelly, sandy, bioclastic deposition.
在随后的走滑挤压阶段,该湖泊为三角洲和河流相碎屑沉积物充填。
In the after strike slip compressional stage, this lake was filled up with the clastic sediments of deltic and fluvial facies.
物源分析表明,无序间层粘土岩主要由中性火山碎屑(岩)在原地蚀变、转化而成,而有序间层粘土岩则是由酸性岩蚀变而成。
The results show that the disordered and ordered clay rocks are respectively formed by intermediate and acidic pyroclasts in the sedimentary basins.
本文研究了碎屑沉积物薄层粒度的分布特征与沉积水动力条件的关系。
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.
碎屑沉积物衍生自陆地物质,大部分以铝硅酸盐矿物形式存在,由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.
一种位于岛弧内的盆地,经含富火山碎屑的沉积物为典型。
A basin situated within an island arc and typically containing sediments rich in volcanic debris.
这些冰河沉积物下方的较老岩层,是沥青铀矿与黄铁矿碎屑;这两种矿物被认定为大气中氧气极为稀少的证据。
In the older rocks below these glacial deposits are detrital uraninite and pyrite two minerals considered evidence for very low levels of atmospheric oxygen.
片钠铝石作为胶结物、自生矿物或脉体,不仅分布在海相白云岩、油页岩中,而且还广泛分布在陆源碎屑岩及煤系地层中。
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.
近岸的浅水条件,丰富的陆源细碎屑,局部的还原相带,是形成富铀沉积物的三个基本条件。
Nearshore shallow water environment, abundant terrestrial fine detritus, local reduction facies and zones are three cardinal conditions for the formation of uranium-rich sediments.
火山碎屑堆积物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.
陆坡下部区的火山碎屑及浊流沉积物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.
混合沉积物是指陆源碎屑与碳酸盐 (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).
碎屑沉积物记录着有关源岩性质和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的指示意义。
Clastic sediments bears much information about the nature of source rocks and their tectonic evolution, which is significant for sedimentary basin analysis.
主要论述了这次大爆发的火山喷发碎屑堆积物的层序和分布。
The author deals with mainly the sequence and distribution of the pyroclastic deposits of the 800 a. B. P. eruptions.
油井井底碎屑和小件落物的打捞一直沿用强磁打捞器和循环打捞篮。
The fishing magnet and recycle fishing basket have always been used for fishing the ch ips and sm all junks in the oilwell bottom.
油井井底碎屑和小件落物的打捞一直沿用强磁打捞器和循环打捞篮。
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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