The Beautiful Shenandoah Valley
http://www.shenandoahvalley.com
Mark and Chris at Luray Caverns 2000
Luray's Wishing Well
The separation of the Americas from the continents of Europe and Africa, or the continental drift, occurred about 600 million years ago. A broad shallow depression from Alabama to Newfoundland was formed. Then, for 400 million years, an ancient sea flooded the area that is now the Appalachian Mountains. Layers of water-borne sediments accumulated on the ocean floor, followed by limestone sediments composed of fossilized marine animals and shells. The weight of the sediments eventually compressed the two layers into metamorphic rock.As a result of the eons-old shifting of the earth's tectonic, or crystal, plates, North America and Africa collided. This elevated and fractured the sea floor, causing the older underlying layer of metamorphic rock to tilt upward and slide over the younger layer, creating a towering mountain range, the Appalachians.
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