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an Atoll.

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A coral reef in the open ocean that appears as a low ring shaped island or ring of islets is called an?

A ring shaped coral reef is called an Atoll.


A ring-shaped coral reef around a lagoon?

Atoll


What is a toll reef?

Anatollis a ring-shaped coral reef including a coral rim that encircles a lagoon partially or completely.


What is coral reef in the open ocean that appears as a low ring-shaped island or ring of islets is called?

atolls


What does an atoll feature?

An atoll is a ring-shaped coral reef and features a lagoon. Some examples of atolls are the Bikini atoll, Tubbataha Reef and Lighthouse Reef.


What is a circular corasl reef called?

A circular coral reef is called an atoll. Atolls are typically ring-shaped coral reefs that encircle a lagoon partially or completely. They are often found in tropical waters.


What is a coral atoll?

A coral atoll is a ring-shaped coral reef or island found in warm, tropical oceans. They are formed from the accumulation of coral skeletons on the rims of submerged volcanic islands over thousands of years. Atolls typically enclose a lagoon in their center.


What is a ring shaped island called?

Atoll. Atolls are oceanic reef formation, often having a characteristic ring-like shape surrounding a lagoon. Atolls are formed when coral reef grows around a volcanic island that later subsides into the ocean.


What are atolls?

Atolls are ring-shaped coral reefs, often found in the open ocean and surrounding a lagoon. They form from the growth of coral reefs around a submerged volcanic island that erodes over time, leaving a ring of coral islands. Atolls are typically found in tropical areas with warm, shallow waters.


What is a ring shape coral islands surrounding a lagoon?

A coral atoll.


Give you an example of an atoll?

An atoll is formed first as a reef that fringes a volcanic island. As the island sinks (after the volcanic activity has ceased and the crust has cooled, becoming denser), the reef continues to build upward, eventually ending up as a ring-shaped structure.


Atolls form around?

Atolls form around submerged volcanoes or seamounts that slowly sink into the ocean and erode over time. As the volcano subsides, coral reefs continue to grow around the rim of the submerged island, creating a ring-shaped coral reef with a lagoon in the center. Over time, the reef grows towards the surface, eventually forming an atoll.