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- Host rocks are pelitic siltstone and silty mudstone. 矿体明显受断裂控制。
- The engineering behavior of whole-weathered pelitic siltstone can not be evaluated rational in criterion, which lead to inconvinence and difficulty for technicians. 泥质粉砂岩全风化工程性质在有关规范中均未进行定量评价,这给工程技术人员带来困难与不便。
- Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone. 步氏和政羊化石大量出土于广河县阿力麻土乡后山村,产于灰黄色泥质粉砂岩中。
- pelitic siltstone whole - weathered 泥质粉砂岩
- pelitic siltstone 泥质粉砂岩
- The channel is overlain by siltstone and lenticular beds of limestone. 河道上面覆盖着粉砂岩和石灰岩透晶体。
- The main rocks are sandstone, mudstone and muddy siltstone or silty mudstone. 岩石类型主要有砂岩、泥岩及泥-粉砂过渡岩类。
- Carbonate and fine clastic rocks is its block, and siltstone is its matrix. 岩块由灰岩和细碎屑岩组成,基质为粉砂岩。
- As an adjunct to this study, he has identified every sandstone and siltstone unit within the Morrowan by number. 作为这一研究的副产品,他根据层次对比了莫罗万系中的各层砂岩和粉砂岩单位。
- The presence of fragments of silicified siltstone retains their original bedding. 硅化粉的砂岩碎块保留有原始层面。
- The deformation and stability mechanisms of pelitic soft rock drift under rich water condition are more complicated than those of the general ones. 富水条件下泥质软岩巷道破坏及稳定性机制比一般软岩巷道更复杂;不仅需要采用多种复合支护控制围岩非线性大变形;还必须进一步控制其泥化进程.
- The reservoirs are mainly sand bar deltic frontal sand body and fine and siltstone. 储集层以西北部的沙堰三角洲前缘砂体、粉细砂岩为主;
- The metamorphic micritic limestone intercalated with metamorphic muddy siltstone in the lower part is assigne... 上部以变质细粒砂岩为主夹变质粉晶灰岩,厘定为纳兴组。
- It belongs to a siltstone, which contains of iron, quartz, and mica as its main minerals, precise modeling for teapots. 紫砂陶土质细致,泥坯靭度极高,为一种含铁质粉砂岩,由石英,云母,铁质等矿物成分构成,宜于制作精巧的茶壶。
- Paleocene Mingyuefeng Formation was filled by shallow sea and deltaic arenaceous pelitic deposit, which is identified as an important oil/gas bearing segment in Lishui sag. 摘要丽水凹陷古新统明月峰组充填了一套滨浅海-三角洲砂泥质沉积,是重要的含油气层段。
- To resolve this problem, a method to use JHS 3 agglutination sand for siltstone prevention has been researched. 介绍了胶合砂的基本配方、主要技术指标及防砂机理。
- Muddy siltstone formation of the whole residual weathered colluvium to residual main causes. 泥质粉砂岩全风化形成的残坡积土,以残积成因为主。
- Xiaoheba Group distributed in the southeast region, mainly shale and siltstone folder a small amount of limestone. 小河坝组分布于川东南地区,主要为粉砂岩与页岩夹少量生物灰岩。
- These folded rocks are composed of medium to thick bedded limestone of Ordovician and of thin bedded shale and siltstone of Silurian. 这些褶皱岩层是由奥陶系的中层至厚层石灰岩以及志留系的薄层页岩和粉砂岩组成。
- The platform foreslope is composed of the dark grey and celadon calcareous mudstone,siltstone,sandstone intercalated with limestone conglo... 内陆棚以深灰、灰绿色灰质泥岩夹浅灰色砂质、灰质纹层或条带为特征,并编制了该地区桑塔木组的岩相古地理图。