organically formed sedimentart rock
生物作用形成的沉积岩
chemically formed sedimentary rock
化学作用形成的沉积岩
mechanically formed sedimentary rock
机械作用形成的沉积岩
The process of chemical and physical change in deposited sediment during its conversion to rock.
成岩作用在岩石转化过程中沉积物发生化学和物理变化的过程
a sedimentary rock formed from clay deposits.
一种由粘土沉淀物形成的沉积岩。
Formed from matter deposited by water, as certain sedimentary rocks.
水成岩由水中沉淀的物质形成的，如某种沉积岩
a sedimentary rock formed of coarse-grained material.
一种由粗颗粒物质形成的沉积岩。
Function of Bioactivities in the Formation of the Sedimentary Copper of the Cambrian in the Southeastern of Jilin, China
生物活动在吉林东南部寒武纪沉积铜形成过程中的作用
Loose sediments may be changed into solid sedimentary rocks.
松散的沉积物可以变成坚硬的沉积岩。
These changes reflect the effects of burial diagenesis on the originally deposited clay mineral assemblage.
这种变化反映了埋藏成岩作用对原来沉积的粘土矿物组合的影响。
Impact of Reductive Diagenesis on Magnetic Records of Marine Sediments and Its Environmental Implications;
还原成岩作用对海洋沉积物磁记录的影响及其环境学意义
And karst diaspore bauxite deposits belong to bioorganic sedimentary deposits.
又我国硬水铝石岩溶铝土矿,应属于生物有机质成矿作用的沉积型铝土矿。
a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals.
一种沉积岩，主要由海洋生物遗体中的钙构成。
resembling or containing or formed by the accumulation of sediment.
类似于沉积物的，包含沉积物的，或由沉积物沉积形成的。
The sedimentary rocks did not dome.
沉积岩没有形成穹丘。
Chemical rocks are formed from materials either directly precipitated from solution or secreted by the activities of plants or animals.
化学沉积岩可以是由溶液直接沉淀的物质形成，也可是由植物或动物活动分泌物质而形成。
Yangla Copper Deposit Geological Characteristics of Synsedimentary Superimposed Magmatism
羊拉铜矿床同生沉积叠加岩浆作用的地质特征
Nor is there evidence for metamorphic minerals such as slate or marble, produced when volcanic or sedimentary rocks are subjected to high pressure or temperature.
此外，板岩、理岩等由火山岩或沉积岩受高压、温影响而形成的变质矿物，也不见存在的证据。
