Many corals and sponges form skeletons that support and shape their bodies. Whereas biomineralization—the formation of these skeletons—has been intensively studied in corals, the main ecosystem ...

Many marine organisms, including corals, build skeletons from calcium carbonate – in the form of calcite or aragonite. The current composition of seawater favors the formation of aragonite – but soft ...

ALBUQUERQUE, N.M. — A calcite formation named Snowy River could prove a gold mine for scientists. Snowy River, believed to be the largest continuous calcite formation in the world, was discovered in ...