And a new study, led by Matthew Nelsen of Stanford University, takes issue with this model, as well as presenting a new hypothesis for coal formation. The study authors argue that coal formed in ...

The consolidation of the ancient supercontinent Pangea 300 million years ago played a key role in the formation ... model is the assumption that lignin is the dominant biochemical constituent of ...

Coal is associated with being partly responsible for the warming of the Earth. But 300 million years ago, the formation of the ... used computer simulations to model the climate in Earth's deep ...