Age dating uranium


05-Oct-2017 00:38

During ice ages, the most characteristic change to the planet has been the formation and spread large ice sheets and glaciers across much the Northern Hemisphere.

During that time, the planet has experienced repeated cycles of glacial (cold) and interglacial (warm) periods lasting about 80,000 years on average.Each of them typically exists in igneous rock, or rock made from cooled magma.



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