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碎屑岩类岩石的胶结物质有哪几种

更新时间: 2020-07-03 00:00:00     

胶结物主要是化学沉淀方式形成的自生矿物,充填在碎屑之间起胶结作用,主要有硅质矿物 、硫酸盐矿物、碳酸盐矿物、磷酸盐矿物及硅酸盐矿物。碎屑岩由母岩机械风化产生的矿物和岩石碎屑经搬运、沉积、压实和胶结而形成的岩石。其组分除碎屑颗粒外,还有杂基和胶结物。按碎屑颗料的大小粒度又可分为砾岩和角砾岩、砂岩、粉砂岩等。

关键词: 岩石 物质

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