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Evidence from the coast of Devon Looking for the Ice Age Shore Line Magnetic Reversals and Crustal Overturn Evidence from the coast of Devon |
Looking for the Ice Age Shore LineThe melting ice after the ice age ended brought rising sea levels. If that rise were uniform throughout the world, it should be easy to locate the ice age coastline - cliffs erorded over 100 000 years, sand and gravel bars far bigger than any that exists today, coral reefs that formed over the same long period - but they simply cannot be found. A severe blow for conventional theories of the rising sea levels. The crustal overturn explains precisely what happened. Crustal plates moved as a whole, probably quite smoothly, but along the plate margins some were pushed together, riding over each other as in the Andes of South America. Other plate boundaries were pulled apart, creating new rift valleys in the ocean floor. In a few places plates were stretched, sinking to form inland basins. Some other plates crumpled to form new hills. In the Andes of South America, the ice age coastline, together with its coastal lagoons, was pushed up into a high mountain plateau, where the salt lakes still remain with sea shells along the shore line today. The ocean trench that formed as the surface of the oceanic plate was thrust beneath still remains almost free of the sediment that would have accumulated, washed off the adjacent land for 100 000 years. The salt lakes in the high mountains even retain living marine fauna. An impossibility had the lakes been raised slowly over millions of years. There is no uniform ice age coastline to find. In some places it remains close to the present day sea level. In other places it forms cliffs high above present day sea levels, in other places it is well below the present sea level. This explains well the raised beaches of Scotland, where ancient sea cliffs are carved deeply into granite rock, and also the submerged forests of the North Sea, submerged so rapidly that no temporary shoreline with breaking waves toppled the trees standing with their roots in soft peat. This information is copyright Peter Thomson 2001-2004
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