siltstones
英
美
网络 粉砂岩
双语例句
- Hot event deposits occurred in Liantuo Formation of Lower Sinian, interbedded in fluvial facies sandstones and siltstones. The presence of fragments of silicified siltstone retains their original bedding.
热事件沉积产物见于下震旦统莲沱组，夹于河流相沉积的砂岩及粉砂岩中。硅化粉的砂岩碎块保留有原始层面。 - Channels are incised by streams into the underlying red siltstones.
古河道由水流切割而侵入下伏的红色粉砂岩中。 - Fine sandstones and siltstones which constitute the reservoir were deposited in lacustrine banks, small fluvial-deltas and the subaqueous part of the sieve depositional fan-spring river-delta system.
储层为细砂岩和粉砂岩，主要为湖滩相、小型河流三角洲相及筛积扇泉水河三角洲体系的水下部分。 - These sediments are dominantly fine grained, and composed significantly of fine grained sandstones and siltstones with normally graded vertical sequences.
沉积物粒度较细，以细砂岩和粉砂岩为主。垂向层序为正粒序。 - Geochemical characteristics and provenance of meta-mud siltstones from the Danfeng ophiolite m é lange in eastern Qinling, central China
东秦岭丹凤蛇绿混杂岩带变泥质粉砂岩的地球化学特征及物源分析 - Unit two belongs to late Archaean middle-low grade metamorphic rocks with the characteristics of granite-greenstone belt. Geochemical characteristics and provenance of meta-mud siltstones from the Danfeng ophiolite m é lange in eastern Qinling, central China
组合（2）是具花岗&绿岩带特征的晚太古代中、低级变质岩系.东秦岭丹凤蛇绿混杂岩带变泥质粉砂岩的地球化学特征及物源分析 - Roof and floor rocks of Nos. 8 and 12-2 coal seams are fine sandstones or siltstones, physical property between coal seam and the rocks is quite different, so it is favorable to carry on underground shallow seismic prospecting.
钱家营矿区内8、12煤层顶底板为细砂岩或粉砂岩，煤层与顶底板之间物理特性差异较大，有利于开展井下-2浅层地震勘探。 - Sandstones and siltstones are mainly concentrated in the upper and lower parts.
砂岩和粉砂岩主要分布于上部和下部，中部砂岩和粉砂岩较少； - Based on several kinds of experiments, a research into the slaking mechanism and the relationship between Slaking index and other basic indices of the siltstones in Phra Wihan formation has been made.
本文在多种试验的基础上，对侏罗系普拉威汉组粉砂岩的崩解机理进行了研究。 - Abundant microfossils were uncovered in marine Neoproterozoic shales, siltstones, and cherts in northern Jiangsu and Anhui provinces, East China.
苏皖北部新元古代海相泥页岩、粉砂岩及燧石中富含微生物化石。