Did not know that, thank you. However how do you know it will re-form just fine? The abstract says: > Instead, coal accumulation patterns implicate a unique co

Did not know that, thank you. However how do you know it will re-form just fine? The abstract says: > Instead, coal accumulation patterns implicate a unique combination of climate and tectonics during Pangea formation. and I don't know how to determine if those conditions will happen again?