1) calcareous grit
钙质粗砂岩
2) calcareous sandstone
钙质砂岩
1.
Discussion on distribution characteristics of calcareous sandstone in Shihongtan uranium deposit and its genesis;
十红滩铀矿床钙质砂岩的分布特征及成因探讨
3) calcareous sandrock and conglomerate rock
钙质砂(砾)岩
4) hassock
[英]['hæsək] [美]['hæsək]
软钙质砂岩
5) quartzitic grit
石英岩质粗砂岩
6) containing calcium powder sandstone
含钙质粉砂岩
1.
According to the characteristics of containing calcium powder sandstone with high-strength and notable layer distribution,the aggregate processing technology is put forward which could reduce efficiently its flat content.
针对含钙质粉砂岩高强度和层理分布显著的特点,提出了可有效降低其片状含量的加工工艺。
补充资料:粉砂岩
粉砂岩 siltstone 由粒径为0.0625~0.0039毫米(mm)的粉砂的含量占50%以粉砂岩标本的一种碎屑沉积岩。除粉砂以外其它由砂、粘土或化学沉淀物组成。按粒度划分为粗粉砂岩(0.0625~0.0312mm)和细粉砂岩(0.0312~0.0039mm)。按碎屑成分划分为石英粉砂岩、长石粉砂岩、岩屑粉砂岩(少见)和它们间的过渡类型。根据胶结物成分划分为粘土质粉砂岩、铁质粉砂岩、钙质粉砂岩和白云质粉砂岩。黄土也是一种疏松的或半固结的粉砂质沉积物。粉砂岩多形成于河漫滩、三角洲、潟湖和海洋的较深水部位。
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