they can b coral, or even skeletons from dead fish...that is how many coral reefs form also
Coral island.
the skeletons of tiny sea animals
An archipelago is a group of islandsa group of islands
Coral is the hard rock-like substance that is formed by skeletons of tiny sea animals. These calcareous skeletons build up and form islands and reefs.
The Caribbean islands were primarily formed through volcanic activity and the movement of tectonic plates. Volcanic eruptions led to the creation of volcanic islands, while the shifting of tectonic plates resulted in the formation of some islands through processes like subduction and uplift.
No . Shale is formed my the metamorphism of the rock - Slate
There are a variety of landforms in the Bahamas. These include ring shaped islands formed from coral, and scrub and sand.
A group of islands are called an archipelago. Originally the term referred to islands formed by volcanic action. Then the Bahamas and other groups used the term to refer to themselves. More specific terms describe other particular groups but archipelago describes an overall group.
No, there are no volcanoes in the Bahamas.
Flat non-mountainous islands are usually considered coral islands. Examples of this type of island would be the Bahamas, Anegada in the British Virgin Islands, Turks & Caicos, the Florida Keys, and the barrier islands of Belize are all examples of coral islands. The majority of Caribbean islands are mountainous and have a volcanic history.
Diatomaceous earth is a mineral formed from the skeletons of tiny marine organisms called diatoms.
coral reefs were formed by the calcium of skeletons