21. Carbonate rocks dominantly consist of carbonate minerals such as calcite, aragonite or dolomite. 22. It is a member of the aragonite group. 23. Massive deposits of oolitic aragonite sand are found on the seabed in the Bahamas. 24. Aragonite older than the Carboniferous is essentially unknown.25. The aptychus was usually composed of calcite, whereas the ammonite shell was aragonite . 26. The remains of an aragonite mining camp can also be found in the foothills. 27. Although only 300 m long, it is famous for its rare aragonite filling. 28. The northern passage contains displays of aragonite speleothems in a variety of rare formations. 29. Modern-day scleractinian corals have skeletons composed of aragonite , a calcitic mineral. 30. The second type of calcium carbonite is aragonite .
