> Carboniferous coals are very rare on all the Gondwana continents (Australia,
> Africa, South America, India, and Antarctica). They are so minor that, to the
> best of my knowledge, none are being mined. They can hardly be said to "cover
> portions of every continent"! Is this northern hemisphere chauvinism?
I've heard that the southern hemisphere coals are different from the
northern half, but I don't know how. What age are they? I think I have
heard of Australian coals with pine trees jumbled up in the coal? Is