Definitions for "Carbonate rock"
A rock made up primarily of carbonate minerals (minerals containing the CO3 anionic structure). Limestone (made up primarily of calicite - CaCO3) and dolostone (made up primarily of dolomite – CaMg (CO3)2 are the most common examples.
A rock composed mostly of carbonate minerals. Examples: limestone, dolomite.
Rock. A rock composed of limestone or dolomite.