Definitions

1. noun

A type of limestone characterized by the presence of calcareous fossils, especially the shells of extinct brachiopods.

“The geologist studied the calcaria deposits in the ancient sea bed.”

2. noun

A type of sedimentary rock with a high concentration of calcium carbonate.

“The calcaria rock formation was used as a quarry for building materials.”

3. noun

A type of fossil found in calcaria rock, often in the form of a shell or other calcareous structure.

“The calcaria fossils in the rock formation were a valuable source of information for paleontologists.”