FACT SHEET: Sand & beaches

SAND: where does it come from?

A sandy beach is essentially where pulverized, weathered rock along with some fragments of shelled creatures and other biota (plants and animals) have collected, tossed up by the waves and as sediment from inland areas. Fish eat – then poop out – sand …. so it’s partly this material: fish poop!

“Sand is basically the material you get when you get a breakdown in rocks, when the rocks weather and decompose over hundreds of thousands and millions of years,” said Jeff Williams, senior scientist emeritus for the U.S. Geological Survey Woods Hole Science Center.

Note: there are sand at the seaside and the river. The coast is synonymous with the seaside / seashore.

– See more at: Live Science

More websites – refer to my Websites page.

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