Ok, so recently I started up a world(which i really like :biggrin.gif:) and basically i spawned down the hill from a big, natural, pit. I like to call it the super pit, and have only just recently started mining there(literally, i havent gone far) and i have found a lot of coal. I am going to continue on after i post this message(i literally paused the game to post this :biggrin.gif:). Oh yes and of course, here are some pictures(i havent changed it in any way):
on one of my maps that was generated, it created a lava pool on the surface and lit the whole forest on fire, i dint notice it until i looked from a top a mountain and I see flames everywhere!!
The Super Pit :D