Is It Oil?

Posted Mon, 03/22/2010 - 13:01
By Doug Helton

Crude oils can range in color, from black to red to yellow.

When most people picture oil spills, they often think of a heavy continuous coating of oil on the sea or shoreline, and that may be a fair depiction, but after a few hours or days the oil can become patchy, become mixed with water, and change in color and consistency.