: Many beaches are formed from the weathering of rock cliffs, resulting in diverse colors like the black lava sands of Hawaii or the green olivine beaches found in specific volcanic regions.
A beach is a dynamic, complex landform where land, sea, and air intersect. Far from being just simple expanses of sand, they are living ecosystems that undergo constant seasonal and geological change. Physical Composition and Color Beaches
: Tropical white and pink sands often come from the skeletons and shells of marine life like coral and mollusks. : Many beaches are formed from the weathering
The physical makeup of a beach depends heavily on its origin and local environmental factors. Physical Composition and Color : Tropical white and
: Sediments can range from fine powder to coarse gravel, shingle, or even boulders, with their arrangement shaped by wave action and wind. CHARACTERISTICS OF NATURAL BEACHES