[[File:MarcellusShaleCloseUp.jpg|thumb|400px|Marcellus Shale, New York|"Marcellus Shale Close Up" by Lvklock - Own work. Licensed under Creative Commons Attribution-Share Alike 3.0 via Wikimedia Commons.]]
A '''source rock''' is a rock that is capable of generating or that has generated movable quantities of hydrocarbons.
A '''source rock''' is a rock that is capable of generating or that has generated movable quantities of hydrocarbons.