根据岩石类型、颜色、自生矿物等特征,对沉积体系进行划分。
The sedimentary systems were divided according to the characteristics in rock types, color and authigene.
海相岩石自生矿物中的锶同位素组成可反映其沉积时期的海平面波动趋势。
The Strontium isotope composition of Marine autogenetic minerals can reflect the sea level fluctuation trend during the minerals deposited.
高岭石、大部分菱铁矿、黄铁矿、硅质自生矿物及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.
根据自生矿物与粘土矿物组合,在塔里木中新生界碎屑岩中可以识别出两种成岩环境。
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.
研究结果表明,本区储层砂岩较低渗透率的主要成因是成岩期各种自生矿物的充填和胶结作用。
The results indicate that the forming mechanism of the low permeability in this area is the filling and cementation of autogenetic mineral during diagenesis.
用高倍荧光显微镜观察,在这些暗色泥岩的砂质碎屑矿物和自生矿物中,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.
循环热对流是深部储层流体的主要流动方式,它控制着自生矿物在砂层中的析出位置和次生孔隙的分布特征。
As the main flow manner of formation water in deep reservoir, circulated convection current controlled authigenic mineral location and secondary pore distribution.
根据岩石类型、颜色、自生矿物、生物化石等特征,进一步将上古生界沉积体系划分为7种沉积相和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.
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.
长石的钠长石化作用和长石、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于孔隙水中,同时导致大量的自生矿物沉淀。
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.
从这个意义来说,混凝土的机械特性、耐久性、和非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].
由矿物添加剂产生的改善也能混凝土的自生现象。
The improvements produced by the mineral additions can also modify the autogenous phenomena in concrete.
自生方沸石是地下次生孔隙发育带的标志矿物。
Authigenic zeolites are index minerals for the growing band of secondary pores.
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、铁白云石和菱铁矿。
X-ray studies show that carbonate minerals are aragonite, high-Mg calcite, and lesser dolomite, ankerite and siderite.
泥岩是一种较好的“封闭体系”,当孔隙水中有大量的HCO-3来源时,其中的碳酸盐沉淀形成自生方解石矿物。
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.
晚期自生粘土矿物的形成和早期粘土矿物的重结晶作用。
Formation of late authigenic clay minerals and recrystallization of early clay minerals.
胶结作用表现为石英和长石的次生加大、自生粘土矿物、碳酸盐和硬石膏胶结物的依次形成并充填孔隙。
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.
不同的转化带,自生粘土矿物的分布产状也不同,其中孔隙桥接粘土对孔隙度和渗透率影响最大。
The influences of pore-bridging clay on the porosity and permeability of the reservoir are prominent.
成岩矿物主要为薄膜状绿泥石及加大状石英质矿物,还有自生磷灰石、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.
成岩矿物主要为薄膜状绿泥石及加大状石英质矿物,还有自生磷灰石、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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