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Formation Type

Formation type sorts geological formations by the physical shape each one is, such as a canyon, a ridge or a plateau. Wikipedia describes the Grand Canyon as "a steep-sided canyon carved by the Colorado River in Arizona, United States," a specific type distinct from a mesa or a fault scarp. This grouping lets a visitor find every formation of one exact kind.

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Formation Origin
is a piece of land, distinct from a continent, completely surrounded by water. 1
Formation Type
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Sources
1. Wikipedia: Island
WikipediaIsland, lead section, definition sentence
Quote, Island, lead section, definition sentence
is a piece of land, distinct from a continent, completely surrounded by water.
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