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calcareous
Part of speech: AdjectiveOf the nature of, or containing, lime; as, calcareous earth or stone.
Usage examples "calcareous":- As the arming of the lead from all the greater depths showed a smooth sandy bottom, I at first concluded that the whole consisted of a vast conical pile of calcareous sand, but the sudden increase of depth at some points, and the circumstance of the line having been cut, as if rubbed, when between five hundred and six hundred fathoms were out, indicate the probable existence of submarine cliffs. - "Coral-Reefs", Darwin, Charles.
- Calcareous formations have accumulated on a great scale in the Red Sea in modern times, and fossil shells of existing species are well preserved therein; and we know that at the mouth of the Nile large deposits of mud are amassed, including the remains of Mediterranean species. - "The Student's Elements of Geology", Sir Charles Lyell.
- These are partly sunk into the black earth, and partly enveloped by a calcareous slate which covers the dirt- bed. - "The Student's Elements of Geology", Sir Charles Lyell.