The Miaohe-type biotas occur in the black shale and siliceous shale in the transitional areas from the late open platform facies to deep-water shelf-bathyal facies.
庙河型生物群的产出位于晚期开阔台地向深水陆棚-次深海过渡相区中的黑色页岩、硅质页岩中,其沉积环境为最大浪基面以下的宁静、贫氧环境,其沉积方式为悬浮沉积。
By the experiments, the effects of several mineral admixtures, such as silica fume, superfine slag and siliceous shale on the High Strength Concrete (HSC) is researched.
通过实验,研究了硅灰、超细矿渣、硅质页岩几种矿物质掺合料对高强混凝土强度的影响;
According to the nature, Guangxi limestone is separated into three types: pure limestone, siliceous limestone, mixed sand shale or limestone of igneous rock.
广西的石灰岩按性质可分为纯质石灰岩、夹硅质石灰岩、夹砂页岩或火成岩的石灰岩三种类型。
Gold mineralization of the zone is confined only to the Cambrian carbonaceous shale overlain by siliceous rocks, and apparently controlled by a premineral tough shear zone.
该“潜伏”脉带的金矿化限于寒武系以硅质岩为顶板的碳质页岩中,明显受成矿前产生的韧性剪切带控制。
Gold mineralization of the zone is confined only to the Cambrian carbonaceous shale overlain by siliceous rocks, and apparently controlled by a premineral tough shear zone.
该“潜伏”脉带的金矿化限于寒武系以硅质岩为顶板的碳质页岩中,明显受成矿前产生的韧性剪切带控制。
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