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A long extinct oceanic volcano, when the volcano died the sea floor under it slowly dropper causing the volcano to sink beneath the ocean. As it sank a ring shaped coral reef formed around it and continued growing as the volcanic remnant and the reef on top of it continued sinking. Finally only the reef (and the islands on it) remained visible surrounding a lagoon. No sign of the volcano can be seen on the surface, but sonar scans reveal its remnant as a seamount on the seafloor.
What else can I help you with?
How do you make an atoll model for kids school project?
oatmeal and glue works best
What type of image is formed by the lens of a camera?
a upside down image is formed in your camera then flipped around when it is seen by the human eye -Monica Magallon
How are waves in the sea formed?
by the wind and big fish swimming around ( believe me, winds get up to 200 mph way out there)
What is a ridge formed from glacial deposits are?
what is a ridge formed from deposits are
How was the soapstone ridge formed?
It was formed by running water,and over an period of time,it came together and formed Soapstone Ridge.
When was midway formed?
Midway Island, located in the Pacific Ocean, was formed around 28 million years ago. The atoll is an unincorporated territory belonging to the United States.
What are characteristics of a atoll reef?
Features of an atoll are: They thrive in warm tropical and subtropical waters. Most are found in the Pacific Ocean. They are products of the growth of topical sea organisms. They are usually round and formed around a lagoon.
Which Island is formed of coral deposits in India?
Atoll.
What is an atolled formed from?
An atoll is formed from a coral reef and sometimes receding land or a volcanic structure.
What is a circular coral island that encloses a lagoon called?
A circular coral island that encloses a lagoon is called an atoll. Atolls are typically formed from coral reefs that grow around the rim of a submerged volcanic island.
What is an island around a lagoon?
atoll
What is the largest coral atoll in the world?
The largest coral atoll in the world is the Kwajalein Atoll.The largest atoll in land area is Christmas Island.
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.
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.
A ring-shaped coral reef around a lagoon?
Atoll
How is a atoll formed?
A volcanic island or underwater mountain forms via volcanic activity. This allows a surface near the water surface for corals to attach too. The corals form a ring around the volcano.
What is an example of atoll?
bikini atoll
