自生矿物

CO2注入砂岩后的典型自生矿物组合

Typical authigenic mineral assemblages after co_2 injected into sandstone

南黄海陆架区的几种自生矿物

Several authigenic mineral species at continental shelf of the southern Huanghai Sea

对储层自生矿物K／Ar同位素测年、油气包裹体均一化温度研究了各区块的油气注入的期次与时间；

The injection periods and injection time were also studied by testing authigene K / Ar isotope and homogeneous temperature of oil and gas in inclusion enclaves .

通过储层特征评价，认为孔隙类型以次生孔隙为主，孔隙的发育和分布主要受控于埋藏成岩过程中各种自生矿物的演化和溶蚀。

The main pore type is characterized by secondary pore .

太平洋中部柱状沉积物中的自生矿物

Authigenic minerals in a sediment column from the central Pacific

云南高原现代湖泊沉积物中铁的自生矿物

Ferro-authigenic minerals in present Lake sediments , Yunnan Plateau

两种环境下形成的自生矿物组合截然不同。

Authigenic mineral assemblage formed in different ambients is distinct to each other .

成岩自生矿物主要有高岭石、绿泥石、硅质、铁方解石。

Diagenetically authigenic minerals are dominantly kaolinite , chlorite , siliceous , and ferruginous calcite .

自生矿物主要有方解石、绿泥石、石英、高岭石等。

The main diagenetic minerals of the sandstone include calcite , chlorite , Quarta and kaolinite .

对29个样品进了薄片分析和鉴定，确定了碎屑颗粒和自生矿物的成分和含量。

About 29 thin sections were used to analysis the detrital and authigenic mineral composition and content .

低渗砂岩储层中自生矿物的成岩模式及其油气勘探意义&以冀中坳陷饶阳凹陷下第三系沙三段为例

Diagenetic model of authigenic minerals in low-permeability sandstone reservoirs and its significance in the exploration of oil and gas

富铁自生矿物的矿物种与基质孔隙的局部地球化学条件密切相关。

The species of iron-rich authigenic minerals are closely related to the local geochemical conditions within the matrix pores .

在塔里木盆地下第三系储层砂岩中，碳酸盐是分布最广的自生矿物之一。

Carbonate is one of the most widely developed authigenic minerals in Low Tertiary reservoir sandstones found in Tarim Basin .

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 .

区内主要的成岩作用有机械压实、胶结、交代、充填、溶解、溶蚀及自生矿物沉淀等作用。

The main diagenesis in the studied area included the mechanical compaction , cementation , infilling , dissolution , and authigenic mineral precipitation .

砂岩自生矿物以绿泥石、方解石、硅质和高岭石为主，含少量的白云石和菱铁矿。

Authigenic minerals in sandstone include chlorite , calcite , siliceous and kaolinite , and containing a small amount of dolomite and siderite .

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 .

同时对中-上侏罗统颜色、自生矿物、沉积结构、沉积构造等进行了系统研究，探讨了它们的变化规律。

Simultaneously the color , authigenic minerals , sedimentary structures , sedimentary structures about those Formations was studied , and they variation disciplines was investigated . 3 .

对东太平洋表层沉积物的扫描电镜观察表明，样品中除陆源碎屑和生物壳体外，存在着一组特征性的石英钠长石重晶石自生矿物组合。

XRD analyzing on the surface sediments from the East Pacific found that there is an identical assemblage of quartz , albite and barite in most samples .

形成于同生成岩期的自生矿物有海绿石，赤铁矿～褐铁矿和部分绿泥石。高铁铝磷矿制过磷酸钙有效磷退化的探讨

Glauconite , hematite-limonite and some chlorite are formed in syndiagenesis . Discussion the degradation of available P_2O_5 of SSP maked from phosphate rock with high iron and aluminum content

这些标志包括沉积学背景、沉积物类型、沉积速率、有机质含量、沉积相类型、自生矿物、沉积热环境和特殊沉积地质体等。

They include sedimentary background , sediment types , sedimentation rate , organic content , sedimentary facies , authigenic minerals , sedimentary thermal environment , and particular sedimentary bodies ect .

其中原生自生矿物是在同生和成岩早期生成的，是受一定的沉积环境及成岩作用控制的，因此它们具有指示沉积环境的意义。

Among them , authigenic minerals were formed in early syngenetic and diagenetic ages controlled by specific sedimentary environment and diagenetic processes , so they can indicate their sedimentary environments .

碳酸盐胶结物是东海盆地丽水凹陷古近系储层砂岩中最为重要的自生矿物，主要类型为铁白云石和方解石。

Carbonates are the most abundant cements in the Palaeogene sandstones of Lishui Sag , East China Sea basin , which mainly consist of ankerite and calcite and have distinctive stratigraphic distribution and geometry .

延长组长6孔隙结构主要属小孔隙微喉道，区内主要的成岩作用有机械压实、胶结、交代、充填、溶解、溶蚀及自生矿物沉淀等作用。

The pore texture of Chang-6 member is small sized porosity with minute throats . The main diagenesis in the studied area included the mechanical compaction , cementation , infilling , dissolution , and authigenic mineral precipitation .

通过分析低渗透储层成岩作用对储集物性的影响，认为造成本区储层砂岩较低渗透率的主要成因机理是成岩期各种自生矿物的充填和胶结作用。

Through analyses of effect on the reservoir property of diagenesis and its phases , it indicated that the genetic mechanism of the low permeability of this area is the filling and cementation of autogenetic mineral during diagenesis .

根据对自生矿物、粘土矿物、I/S间层中的S%、包裹体测温、成岩作用类型及特点等分析，判断研究区白垩系成岩阶段已达晚成岩A期。

According to authigenic mineral , clay mineral , 5 % in mix layered I / S , inclusion temperature and diagenetic types , the diagenetic stage of the Cretaceous in the study area have reached a period of the late diagenetic stage .

偏酸性成岩环境砂岩具有快速压实阶段较早、颗粒溶蚀一压碎现象普遍而抗热性和抗压性差、自生矿物的自由生长空间较小以及储集性质较差等特点。

Sandstone in acidic diagenetic enviroment has such characteristic as fast compaction rate , earlier compaction stage , prevalent grain solution and crushing , poor heat resistance and crushing resistance , small free growing space of authigenic mineral , poor reservoir properties and so on .

同时结合成岩作用研究，确定包裹体形成期次。测试不同成岩阶段自生矿物中流体包裹体的均一温度、冰点、盐度、密度、和流体成分等参数。

Combined with diagenesis study , the forming stages of fluid inclusions can be established . A great deal of data of fluid inclusions in autogenetic minerals of different diagenetic stages such as homogenization temperature , melting temperature , salinity , density , and liquid composition etc , were detected .

GB/T17361-1998沉积岩中自生粘土矿物扫描电子显微镜及X射线能谱鉴定方法

Identification method of authigenic clay mineral in sedimentary rock by SEM & XEDS

而早成岩B期大量自生粘土矿物的胶结作用，又使孔隙度减小5%～8%；

Cementation of clay mineral was occur on the B phase of early diagenesis , and 5 % ~ 8 % porosity degraded .