• 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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  • 测定碎屑矿物沉积吸收古剂量第四纪沉积物光测年的关键。测定古剂量的方法有三种,即部分晒退法、残余热释光法和再生热释光法。

    Determination of the paleodose absorbed by debris minerals in sediments after deposition is a key course for TL dating of the Quaternary sediments.

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  • 矿物岩石颗粒之间胶结物沉淀过程,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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  • 主要矿物高岭石,常见豆状、鲕状碎屑构造

    Their main mineral is kaolinite, usually in pisolitic, oolitic or clastic structure.

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  • 凹陷沉积碎屑具有矿物成分成熟度结构成熟度低的特征,所以埋藏成岩作用十分强烈

    The clastic rocks in this depression are characterized by low maturation of the mineral composition, and low maturation in structure, thus diagenesis due to burial is very strong.

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  • 碎屑沉积物衍生陆地物质大部分硅酸盐矿物形式存在,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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  • 月球花岗岩碎屑主要矿物石英、钾长石钙质长石,花斑状结构;

    Major minerals of lunar granitic clasts are quartz, K-feldspar and calcic plagioclase with granophyric intergrowths.

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  • 分布在湘耒高速公路沿线红砂岩具有两种基本结构即泥状结构粒状碎屑结构,并富含粘土

    Red sandstone, distributed along Xiangtan-Leiyang Freeway, rich in clay minerals, possesses two typical structures: muddy structure and granular structure.

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  • 碎屑岩石矿物碎屑单体组合而成,这些碎屑物质的粒度可以巨大的确石微细颗粒

    Clastic rocks are composed of individual fragments of mineral or rock. The fragments may range in size from huge boulders to microscopic particles.

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  • 这些冰河沉积物下方较老岩层沥青铀矿黄铁矿碎屑;这两种矿物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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  • 层基本特征入手,塔河油田碎屑岩储石炭系三叠系岩石矿物特征、储层特征孔隙结构特征进行系统的分析。

    This article analyzed rock mineral properties, reservoir physical characteristics and pore structure features of Carboniferous and Triassic systems of clastic reservoir in Tahe oilfield.

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  • 根据矿物粘土组合塔里木新生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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  • 沉积岩火成那样熔融岩石物质形成沉积岩是由早先存在变质岩沉积岩的矿物碎屑岩石屑组成的。

    Unlike igneous rocks which are formed from molten rock material, sedimentary rocks are made up of particles of previously existing rocks, including igneous, metamorphic and sedimentary rocks.

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  • 碎屑金矿属非能干性岩层,以剪切变形活化迁移富集为特征。

    But Gold ore bearing formation is a poweless deformability strata rocks that ore metals of Gold et al were activated and relocation and concentration by shears.

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  • 磁铁矿片麻岩泥质矿物特征碎屑锆石存在表明不是一个化学沉积体

    The pelitic mineralogy of the magnetite gneiss and presence of detrital zircon demonstrate that the protoliths were not a pure chemical sediment.

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  • 主要矿物高岭石,常见状、鲕状碎屑构造。

    They are stratified, lenticular and funnel in shape.

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  • 主要矿物高岭石,常见状、鲕状碎屑构造。

    They are stratified, lenticular and funnel in shape.

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