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The sea level could have been lowered, or a volcano could have become extinct, or a coral reef could have formed, forming an archipelago and a lagoon.
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∙ 13y ago
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How volcanic islands formed?
By volcanoes under the sea that get bigger and bigger - and become islands..
Is they volcano's in the sea?
Yes, it's the way the Hawaiian Islands were formed.
Are Steep-sided islands are sometimes formed by sea mounts.?
true
Steep-sided islands are sometimes formed by sea mounts?
true
What is volcano islands?
Volcano Islands are the remains of dormant or still active volcanoes that have formed islands of land above the surface of the sea.
How is limestone islands formed?
limestone island is for by the accumulation of dead sea creatures
Some Caribbean islands are formed from the tops of underwater mountains while others are formed from?
the skeletons of tiny sea animals
Why are the hawaiian islands in the middle of a plate?
There is a 'Hot-spot' in the mantle underneath the crust near the Hawaiian islands, it causes the magma to bubble up through fissures in the sea floor and eventually create new islands. this is how they were formed. for more info look at mantle convection.
What is the most southerly island of the windward group of islands in the Caribbean sea?
The most southerly island of the Windward Islands in the Caribbean Sea is Trinidad. There are 14 islands in this group and most were formed from volcanic activity. Barbados is essentially a huge mass of coral.
How are mangrove islands formed?
mangrove islands are formed by
Why are the Hawaiian islands in a chain?
Due to volcanic eruptions forming islands along a weakness in a long line of the sea bed, the Hawaiian Island chains was formed.
How are new oceans formed?
sea floor spreading
