Solid bitumen is widely distributed in the Middle-Upper Cambrian limestones, the Sandu-Danzhai region of southeastern Guizhou Province. 黔东南地区三都&丹寨一带中上寒武统灰岩中广泛分布有固体沥青。
Our offers to you are marbles, travertines, granites and limestones from their well known sources such as Turkey, Italy, Brazil, Spain, Egypt, Greece, India, China and France. 我们将为您提供来自各个石材著名产地如:土耳其,意大利,巴西,西班牙,埃及,希腊,印度,中国及法国等的各类石材产品如:大理石、石灰石、花岗岩等。
Original porosity is typified by the intergranular porosity of sandstones and the intercrystalline and politic porosity of some limestones. Oolite lime sand packs naturally with 40% porosity because the particles are essentially spheroids. 原生孔隙度以砂岩粒间孔隙度和某些石灰石的晶体粒间和鲕状孔隙度为代表。自然堆积的灰质鲕粒砂具有40%的孔隙度,因为其颗粒其本上都是球状的。
These limestones have been quarried for centuries. 这些石灰岩已经开采百年了。
There are four principal types of limestones. 石灰岩有四种主要类型。
Shaft's Manufacture of High-Grade Cement with Inferior Coal and Limestone Alkali Carbonate Expansion with Porphyrotopic Micrite Dolomitic Limestones 立窑采用劣质煤和石灰石生产高标号水泥典型白云质泥晶灰岩集料的碱碳酸盐膨胀
The polygonal reticulate structure is well developed and wide spread in the Pagoda Formation limestones in the whole Yangtze region. 网纹构造是宝塔组石灰岩地层中非常发育且分布广泛的一种构造形态,其成因一直存在争论和疑问。
Paleo-karst was developed in Ordovician limestones at the west of Lungu area in Tarim basin. 塔里木轮古西地区奥陶系灰岩是古岩溶发育的有利场所。
Fracture densities also increase in dolomitic layers compared to limestones and anhydrates. 与石灰岩层和脱水层比,在白云岩层的裂缝密度也有所增加。
The Neoproterozoic Jiuliqiao Formation in the Huainan region consists of sandy, silty, stromatolitic and dolomitic limestones. 安徽淮南地区新元古代九里桥组主要由砂质、泥质灰岩,叠层石灰岩和白云质灰岩组成。
Alkali aggregate expansion reaction of mottled micrite dolomitic limestones 豹斑白云质泥晶灰岩的混凝土碱骨料反应膨胀行为
Induced porosity is typified by fracture development as found in some shales and limestones and by the vugs or solution cavities commonly found in limestones. 次生孔隙度是以某页岩和石灰岩的裂缝和石灰岩中的岩穴和溶洞为代表。
In the transitional region, the middle Cambrian can be divided into Kaili and Jialao Formations marked by muddy shales and muddy limestones. 在过渡区则由凯里组和甲劳组泥页岩系夹灰岩地层所组成;
The isotopic signatures of most ancient limestones indicated the same process. 大多数古代石灰岩的同位素特征说明了同样的过程。
Original porosity is typified by the intergranular porosity of sandstones and the intercrystalline and oolitic porosity of some limestones. 原生孔隙度以砂岩粒问孔隙度和某些石灰石的晶体粒间和鲕状孔隙度为代表。
A triangular chart formed by the parameters is used to distinguish different lithology types. There are four principal types of limestones. 由这两个参数组成的三角形地震岩性量板,显示出岩性分区规律,可区分不同岩石类型。石灰岩有四种主要类型。
Pressurized Thermogravimetric Study on the Reaction of Desulfurization by Limestones and Dolomites 石灰石和白云石脱硫反应的加压热重分析研究
Beneath Permo carboniferous coal strata in North China coalfields, there are Ordovician limestones containing plentiful confined water. 华北煤田石炭二叠纪煤系地层底部存在着含水丰富的奥陶纪石灰岩。
Calcisphere is a common important component in the Upper DevonianGuilin Formation and Rongxian Formation limestones. 在上泥盆统桂林组及融县组灰岩中,钙球是一种重要的组分。
Properties and taxonomic classification of soils derived from limestones in Anhui Province 安徽省石灰岩风化物发育土壤的特性和系统分类
And limestones ( dolomites) of beach and bioherm facies may be regarded as favourable reservoirs. 滩相和生物礁相灰(云)岩可成为良好的储集层;
The dolomite rocks, in comparison with the limestones, have high Na and low Sr, Mn. 与灰岩相比,白云岩化作用将有较高的Na和较低的Sr、Mn。
Three kinds of reservoirs, i.e. sandstones of Oligocene-upper Miocene, lime-stone or reef limestones of middle-upper Miocene, weathered basement rocks of pre-Tertiary may be discovered in the region. 研究区发育有三类储集层:渐新世-晚中新世砂岩、中-晚中新世台地灰岩或礁灰岩和前第三纪裂缝性风化基岩。
The secondary transgression sequence constructed the shales and limestones in the middle part of the Mantou Formation. 馒头组中段的页岩和薄层灰岩及馒头组上部的深褐色页岩构成第2个海进序列;
The karstification benefited improvement for reservoir limestones to a certain extent. 岩溶作用使得灰岩的储集性能在一定程度上得到了改善。
The main reservoir rocks formed from limestones of reef-bank facies which was dolomitizationed and then dissolved. 储集岩主要是礁滩相灰岩白云石化后被溶解所形成。
However, CORB outcrops are generally composed of red, reddish or purple shales and limestones. 而在陆地露头中,CORB主要为浅红色、红色或紫红色灰岩和页岩。
At the same time, using the method of principal component analysis, and taking principal component analysis of 66 sample rocks which selected in the study area in order to identify the limestones and clastic rocks. 同时,利用主成分分析法对研究区选取的66块岩石样品进行主成分分析,从而识别灰岩与碎屑岩。
Reservoir lithology is mainly made of reef limestones and bioclastic grainstones, with low level dolomitization. 储层岩性主要以礁灰岩及生物屑亮晶灰岩为主,岩石白云化程度较低。