siliceous mudstone and shale 硅质泥岩和硅质页岩
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。
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