Cambrian; carbonate rocks; ooids; microbial imprints.
寒武系；碳酸盐岩；鲕粒；微生物印迹。
Carbonate rocks are both source rocks and reservoir rocks.
碳酸盐岩既可作为烃源岩，也可作为储集岩存在。
The micritic carbonate rocks of mechanical origin have mud-debris structure.
机械成因的泥晶碳酸盐岩则具泥屑结构。
There is less possibility that COi originated from pre-Tertiary carbonate rocks.
而源于前第三系碳酸盐岩的可能性较小。
Epikarst zone lies in the shallow surface of carbonate rocks in a irregular shape.
表层岩溶带以密集发育的岩溶微形态呈不规则带状组合于浅层地表为特征。
The main water source is fracture-karst water in Middle Ordovician carbonate rocks.
主要的供水水源为中奥陶统碳酸盐类岩石中的裂隙-喀斯特水。
In addition, the conditions making carbonate rocks as caprocks are also dis - cussed.
另外，还对碳酸盐岩作盖层的条件进行了讨论。
The main kinds of rocks include carbonate rocks, tuffite, siliceous rocks and quartz sand-stone.
主要岩石类型包括碳酸盐岩、沈积凝灰岩、矽质岩和石英砂岩。
The main kinds of rocks include carbonate rocks, tuffite, siliceous rocks and quartz sand - stone.
主要岩石类型包括碳酸盐岩、沉积凝灰岩、矽质岩和石英砂岩。
Coal-bearing strata in southeast Shanxi consist of carbonate rocks lime-stone, clastic rocks and coal.
石炭-二叠系含煤岩系，由灰岩、碎屑岩和煤共同组成。
Stable isotopic method can be used effectively in the diagenetic research of deep water carbonate rocks.
稳定同位素方法可以有效地应用于深水碳酸盐岩的成岩作用研究。
Many multilayered carbonate rocks are deeply cut by rivers at crust newly uplift area in Southwest China.
我国西南近代地壳抬升区的多层状碳酸盐岩岩组常被河流深切割。
The carbonate rocks outcropping within China cover an area of more than one eighth of the whole territory.
中国碳酸盐岩的出露在领土的八分之一以上。
It is common to find well-consolidated sandstones and carbonate rocks that remain gauge after being drilled.
通常对于固结良好的砂岩和碳酸盐岩来讲，其井眼比较规则。
Vein fluorite and barite deposits in southeast Sichuan occur mainly in the Lower Ordovician carbonate rocks.
川东南脉状萤石-重晶石矿床主要产于下奥陶统碳酸盐岩中。
Manaoke gold deposit situated in Northwestern Sichuan is hosted in mid Triassic detrital and carbonate rocks.
川西北的马脑壳金矿床为一赋存于三叠系碎屑岩、碳酸盐岩系的大型微细浸染型金矿床。
The mechanism of hydrocarbon generation in carbonate rocks are studied by step heating extraction and simulation.
作者通过逐阶抽提加热和逐阶加热模拟实验对碳酸盐岩的生烃机理进行了研究。
For example, the porosity of sandstones tends to be facies related, whereas in carbonate rocks this is generally not so.
例如，砂岩孔隙度一般与相有关，而一般在碳酸盐岩中则一般并非如此。
We used spectral decomposition technique to analyze the seismic reflection waves in carbonate rocks of fractures and caverns.
分频解释技术可以刻画碳酸盐岩储层中缝洞发育所引起的地震反射频率特征。
Ore-bearing rock formation mainly consists of fine clastic-carbonate rocks which are often associated with iron-rich dolomite.
中国东部古生界沉积—改造型铁矿床含矿岩系基本上由细碎屑—碳酸盐岩组成，而且常与富铁白云岩共生。
The Palaeozoic caprocks in Erduosi Basin are mainly argillaceous rocks, aluminous rocks, gypsum rocks and dense carbonate rocks.
鄂尔多斯盆地古生界盖层主要为泥质岩、铝土岩、膏岩和致密碳酸盐岩。
The types of Carboniferous carbonate rocks in Tazhong area include grain limestone, grain dolomite and muddy to micritic dolomite.
塔中地区石炭系碳酸盐岩主要岩类为颗粒灰（云）岩和泥粉晶白云岩。
Geologists are investigating the chemical composition of carbonate rocks that lie beneath the surfaces where early human fossils have been uncovered.
地质学家正在调查位于早期人类化石发现地之下的碳酸盐岩的化学组成。
The distributive characteristics of biomarkers in their soluble extracts are very similar to those in carbonate rocks and evaporite rocks series'.
其可溶抽提物中的生物标志化合物分布特征与碳酸盐岩和蒸发岩系很相似。
Rock pore structure is one of the important parameters in controlling both seismic wave velocity and permeability in sandstones and carbonate rocks.
岩石孔隙结构是控制砂岩和碳酸盐岩的地震波速度和渗透率的重要参数之一。
Therefore it is one of the useful method for studying and evaluating the reservoir in carbonate rocks during oil and gas exploration and development.
因此，在碳酸盐岩区进行油气勘探与开发时，对研究与评价储集层乃是有用的手段之一。
The secondary permeability of carbonate rocks is the result of comprehensive process of diagenesis, tectonics, hydrodynamics as well as of biochemistry.
碳酸盐岩次生渗透性是成岩作用、构造作用、水动力作用及生物化学作用的综合结果。
The article deals with the composition and texture of carbonate rocks, the conditions of karst, the features of karst development in the Zanzibar Island.
本文论述了桑岛的碳酸盐岩的组成特征、岩溶作用的条件和岩溶发育的特征。
The article deals with the composition and texture of carbonate rocks, the conditions of karst, the features of karst development in the Zanzibar Island.
本文论述了桑岛的碳酸盐岩的组成特征、岩溶作用的条件和岩溶发育的特征。
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