硅质粘土岩

例句：

1. 1. The mineralogist studied the chemical composition of this type of rock.
   矿物学家研究了这种岩石的化学成分。
2. 2. The geologist found that the formation of this rock was due to the presence of certain minerals.
   地质学家发现，这种岩石的形成是由于某些矿物质的存在。
3. 3. The engineer analyzed the properties of the silicone-rich rock in order to design a better structure.
   工程师分析了富含硅质的岩石的性质，以便设计更好的结构。