Exploring the Diversity: Types of Islands Around the World

23Apr,2024

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These islands are extensions of the mainland, separated by rising sea levels. They were once connected to the mainland but became isolated due to geological processes or changes in sea levels.

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Continental Islands

These islands are formed from volcanic activity, often occurring at hotspots or along tectonic plate boundaries. They are typically located far from continental landmasses.

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Oceanic Islands

Also known as atolls or reef islands, these are formed from the accumulation of coral reef structures built upon submerged volcanic islands or oceanic crust.

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Coral Islands

These long, narrow islands run parallel to coastlines and are separated from the mainland by lagoons or shallow bays. They provide protection to coastal areas from waves and storms.

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Barrier Islands

These islands are only accessible during low tide when a land bridge or causeway is exposed, but become submerged during high tide.

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Tidal Islands

These islands are created by human activity, often for purposes such as expanding land area, creating harbors, or supporting infrastructure.

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Artificial Islands

Formed within river channels, these islands can vary in size and shape. They are often created by sediment deposition or meandering river processes.

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River Islands