化学沉积岩
- 网络chemical sedimentary rocks
化学沉积岩-
碳酸盐岩是以碳酸钙为主要成分的化学沉积岩，少数以生物骨骼或其碎屑沉积为主。
Carbonate is calcium carbonate as the main ingredient of chemical sedimentary rocks , some of which is consisted of biological skeletal or clastic deposition .
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我想化学沉积岩一定与某种化学反应有关。
I guess the formation of chemical rocks must be related to some kind of chemical reaction .
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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。
Chemical rocks are formed from materials either directly precipitated from solution or secreted by the activities of plants or animals .
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化学作用形成的沉积岩
Chemically formed sedimentary rock