cherty limestone

英 美
  • 高硅质石灰石;硅质石灰岩
    1. 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。