calcariferous

例句：

1. 1.The calcariferous rock is very hard and can be used for building houses.
   这种钙质岩石非常坚硬，可以用来建造房屋。
2. 2. The calcariferous deposit has been discovered in the area.
   该钙质沉积物已在该地区被发现。
3. 3. The calcariferous layer is a good indicator of the age of the earth's crust.
   钙质层是地球地壳年龄的良好指示器。