A raised beach, also called a coastal terrace or perched coastline, is a relatively flat, horizontal or gently sloping surface of marine origin, generally an old wave cut abrasion platform that has since been lifted clear of active wave action. Depending on when it formed, it can now sit above or below the present sea level, bordered by a steeper slope rising on its landward side and another descending toward the sea. Because of its flat shape, a raised beach is often used as a site for settlements and other human infrastructure.
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