rock series

The Qiongzhusi Formation black shale series of the Deze area are located in the western part of the Lower Cambrian black shale zone widely distributed along the southern margin of the Yangtze block,SW China.

云南省德泽地区筇竹寺组黑色岩系位于扬子陆块南缘下寒武统黑色页岩分布带的西端,不同于该带中段湘黔地区的牛蹄塘组,它发育有两个多金属富集层位,其中,石岩头段黑色碳质粉砂岩底部富集V、U、Ag和Pd,玉案山段黑色页岩底部富集Mo、Ni、Pt和Pd。

The presenting of black shale series reflects abrupt environmental events,which formed many important ore hosting rock series.

黑色岩系的形成反映了环境的突变事件,构成了许多重要矿床的赋矿岩系。

People have paid great attention to the “many elements-enriched event” in the Lower Cambrian black shale series in south China.

华南下寒武统黑色岩系“多元素富集事件”受世人瞩目。

The way that applies trace elements ratio of manganese by chromium is treated basing on geologic characteristics of manganese resources actuality,manganese-bearing rock series and regional deposits,it is applied for the prediction of minerogenesis in Xiqibao,changxingpo,Zhongchaoxi,Pengjiashan.

通过锰资源现状、含锰岩系特征及区域矿床地质特征,以及在黔东地区运用微量元素Mn/Cr比值的方法,对西溪堡、长行坡、中朝溪、盆架山进行成矿预测,证明,Mn/Cr比作为寻找锰矿,特别是隐伏-半隐伏锰矿的地球化学标志,具有较重要的理论和实际意义。

The Xiaotao manganese deposit in Yongan is situated on the eastern side of Hufang-Yongding uplift which belongs to the secondary tectonic unit of Southwestern Fujian Geotectogene and its orebodies are found in the manganese-bearing rock series of Lower Carboniferous.

矿体产于石炭系下统林地组上部含锰岩系中。

Study on the Sporopollen Assemblages and their Geological Era in the Coal-bearing Formation of the Late Palaeozoic Era in Tangyang Mine Field of Jining;

济宁唐阳井田晚古生代含煤岩系孢粉组合及其地质时代

Upper Permian coal-bearing formation in Xinhua coal-mine is a set of coal-bearing formation of marine carbonate rock and clastic rock in Liuzhi,Guizhou.

贵州六枝特区新华煤矿上二叠统含煤岩系属于一套海陆交互相含煤建造。

Based on the rock type of coal-bearing formation ，the key factors to control rock mechanics properties ，such as lithological characters ，in-situ stresses, and moisture, are systematically analyzed.

基于含煤岩系主要岩石类型,系统分析了决定岩石力学性质的主要控制因素如岩性、地应力和水,探讨了不同岩性岩石在不同侧压和不同含水条件下的力学特征,分别建立了含煤岩系岩石力学性质与岩性、地应力和水等主要控制因素之间的定量关系。

V deposit in Lower Cambrian black rock series of Northwestern Hunan;

湘西北下寒武统黑色岩系中的钒矿床

Features of platinum-group elements in different mineral assemblages in the Lower Cambrian black rock series in Hunan and Guizhou;

湘黔下寒武统黑色岩系不同矿物组合中的铂族元素特征

There are several mineralized zones,containing lead-zinc,gold,copper-bearing polymetallic ores,barite and roofing slates,occurring in the black rock series in Ankang.

安康黑色岩系中数条成矿带已初具大型矿床规模,如铅锌矿、金矿、铜多金属矿、重晶石矿、瓦板岩矿等,对此,应进一步加大勘查力度,使安康矿业有一个突破性发展。

The coal-bearing rock series-Yanan Formation,250～350m in thickness,contains more than 20 coal seams.

本文对灵武煤田含煤岩系延安组煤岩显微组分的甾萜类化合物作了对比研究。

The stratigraphic age of Dunri coal-bearing rock series was formerly belongedto Late-Triassic Epoch, but its many features such as lithology, lithofaces,coal quality andsporopollen assemblage etc.

墩日含煤岩系时代原定为晚三叠世。

The coal-bearing rock series rock mass structure is the basic factor to control coal and rock deformation,based on this presupposition,guided under fundamental theories of rock mechanics and fractal geometry,put forward two parameters of rock mass strength factor conditional on rock Young s modulus and Poisson s ratio and fractal dimension conditional on strata thickness.

含煤岩系变形规律的研究,对煤炭资源评价和开采、煤矿瓦斯灾害预测、煤层气的可开发性评价具有指导意义。

Coal-bearing strata have been divided into three sections by interpreting large amounts of drill information and by evaluating the properties of the coal-bearing strata.

以大量钻孔资料为基础,通过分析研究,对含煤岩系的含煤性作出评价,划分了3大含煤段,利用有效的对比方法和依据,对可采煤层进行全区对比分析,最后对全区煤层进行统一编号,为该区开矿及外围勘探提供宝贵的资料。

The paper introduces how to use composed patterns of logging curve to research into the vertical changing characteristics of coal strata,which has provided the basis for the sequence division of coal-bearing strata.

介绍了利用测井曲线的组合形态研究煤系地层各体系域在垂向上的变化特征,为含煤岩系层序的划分提供依据。