they can b coral, or even skeletons from dead fish...that is how many coral reefs form also
Yes, the Bahamas were formed by coral reefs that have accumulated over thousands of years. The islands are composed of limestone rock formed from the skeletons of coral polyps and other marine organisms.
Islands formed by limestone animal skeletons are called atolls. These structures are typically circular or oval shaped with a lagoon in the middle, and they are found in tropical regions with coral reefs. Atolls begin as volcanic islands and gradually sink as coral grows on the surrounding reefs, leaving a ring of limestone behind.
the skeletons of tiny sea animals
No, there are no volcanoes in the Bahamas.
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, shale is a type of sedimentary rock formed from the accumulation of silt and clay particles. It is not formed from the skeletons of ancient coral animals, which are typically preserved in rocks such as limestone.
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.
coral reefs were formed by the calcium of skeletons
submerged islands
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.
A string of islands formed from a collision of two oceanic plates is called an island arc.