Where does sand on the beach come from?

Short answer: Sand on beaches around the world comes from the weathering and pulverization of rocks over millions of years, along with fragments of shelled creatures and coral and that have been deposited on the coast by the waves.Click to see full answer. In respect to this, how does sand get to the beach?There is a constant flow of sand from the land into the ocean. Sand grains travel southward down the coast, while finer particles of sediment are carried and deposited further out to sea. Along the way, sand is washed ashore, temporarily resting on beaches, until it is re-suspended in the ocean by wave action or wind.Subsequently, question is, is Sand really fish poop? The famous white-sand beaches of Hawaii, for example, actually come from the poop of parrotfish. The fish bite and scrape algae off of rocks and dead corals with their parrot-like beaks, grind up the inedible calcium-carbonate reef material (made mostly of coral skeletons) in their guts, and then excrete it as sand. Furthermore, what is beach sand made of? The most common component of sand is silicon dioxide in the form of quartz. The Earth’s landmasses are made up of rocks and minerals, including quartz, feldspar and mica. Weathering processes — such as wind, rain and freezing/thawing cycles — break down these rocks and minerals into smaller grains.Where does most beach sand originate?In a most basic sense, the sand on our beaches comes from the erosion of the land. In our area the beaches rely on sand transported from the mountains by the rivers and from eroding cliffs near the shoreline.