الاثنين، 25 يناير 2016

How the ancient supercontinent Pangea may have helped create the Earth’s coal

Pangea
The vast majority of the Earth's coal was laid down at the same time (geologically speaking) and in a uniform manner. A new paper challenges conventional wisdom on this point and argues for a different cause.

sourse ExtremeTech http://ift.tt/1ZYQjTW

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