Oil Shale
The Green River Formation contains the largest oil shale deposits in the world. The 213 billion tons of oil shale contain an estimated 3 trillion US barrels of shale oil, up to half of which is estimated as recoverable or about equal to all the entire world's proven reserves.
Read more about this topic: Green River Formation
Famous quotes containing the word oil:
“Courage, determination, and hard work are all very nice, but not so nice as an oil well in the back yard.”
—Mason Cooley (b. 1927)