Omaha Beach in Normandy, France, as it appears today (Photo: Anton Bielousov via Wikipedia)
Cross-section of Omaha Beach (Photo: Raul654 via Wikipedia)
Omaha Beach sand seen through a binocular microscope. Pastel grains are carbonate rock fragments, carbonate skeletal grains, and iron-oxide coated quartz grains. Rust coated shrapnel grains are visible in the center of the photo. (Mean grain size = 0.2 mm.) (Photo: Earle F. McBride/M. Dane Picard)
Scanning electron microscope image of shrapnel grains and an iron bead, remnants of the D-Day invasion. (Photo: Earle F. McBride/M. Dane Picard)
Sandy beaches are a delight for swimmers, surfers, sailors, and people strolling down the boardwalk. A horde of beautiful shells and buried coins (not to mention the occasional dropped ring) awaits the skilled beachcomber. Beach sand also carries within it a variety of traces of the history of that beach. A prime example is the magnetic sands of Normandy.
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