Those of us who imagine that striking oil means drilling into a pool of liquid riches might be surprised to learn how wrong we are. Oil is not found in underground lakes, but dispersed through rocks like a sponge. The rocks must be broken to extract the oil, which looks like mud when it is taken from the ground. Nor is it the remains of dead dinosaurs! This infographic from Jones Oil takes a look at how oil was formed, and separate fact from fiction.