National Assessment of Oil and Gas Project - Uinta-Piceance Province (020) Tar Sand Deposits
Tar sands represent a significant source of hydrocarbons in the United States.  Also known by several other names including bitumen-bearing rocks, natural asphalt, tarry oil, bituminous rock, oil sands and rock asphalt, these rocks are mostly located on the margins of sedimentary basins.  Maps of tar sands and …