Continental drift theory
Continent drift: from when, how and until when will the clods dance? We arrived at 500 million years ago, covering 4 billion years in one fell swoop, used to build the supporting substratum of the earth's crust, characterized by a complex of mainly metamorphic formations crossed or interspersed with eruptive rocks, testifying to intense tectonic movements suffered by the sediments deposited during that long period.
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