The Pacific Ocean is disappearing, which will eventually lead to the emergence of a vast new supercontinent called Amasia, research suggests. Scientists in Australia and China believe the ocean is ...

Now a study published in the journal PNAS claims the formation process of these iron deposits was triggered by the breakup of the supercontinent Columbia, which caused massive tectonic activity.

"The model encompasses three supercontinents, Nuna (Columbia), Rodinia, and Gondwana/Pangea, and more than two complete supercontinent cycles." Many of us are familiar with Pangea, the ...