Limestone.
Limestone is the type of rock that is made primarily of calcium carbonate.
It is made from limestone
Limestone
Limestone
Sedimentary rock
Jurassic Limestone.
The Rock of Gibraltar is made of limestone.
They are made of limestone, I think.
carbonaceous shells form limestone which in this case is a bio-chemical sedimentary rock
Limestone, dolostone and others.
Limestone is a sedimentary rock.
Limestone is a rock, composed mainly of the mineral calcite.