Geologic Time Scale


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  1. British isles geologists have been the most active in the earlier decades on the research, British isles bands have been given for the Geological time period range. The Devonian Time period is termed right after Devon, this Cambrian following the Roman name for Wales, plus the Ordovician right after old Welsh tribes, this Ordovices plus the Silures. more information http://mordo-crosswords-solution.blogspot.com/2014/06/geological-time.html

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