高硅质石灰石,硅质石灰岩

cherty limestone的用法和样例：

例句

There are several types of earth basically composed of quartz, flint and limestone stones agglomerated by a clayey-sandy soil.产区土壤大部分由鹅卵石，火石，以及密集型泥沙质石灰岩组成。

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