Published On: Thu, Sep 26th, 2013

Which was Darwin’s first interesting discovery?

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The H.M.S. Beagle arrived at the cape Verde Islands on 16th January 1832, and anchored at Porto Praya, on the island of Santiago. It was here that Darwin discovered horizontal bands of white shells within a cliff face along the shoreline . This laye was more then thirteen and a half meters above sea level, and Darwin wondered how shells that are usually found under the ocenan could be present so high up on land. Since the layer was intact, any upward movement of the land would have to be vary gentle, for violent movement would have broken up the layer. This discovery set Darwin thinking, and his thoughts would eventually lead to his theory about how ocean floors sank, and continents rose up.

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