Tar Sands Definition

Tar Sands Sentence Examples

• Coal and lignitic coal are the principal economic minerals met with in this central plain, though natural gas occurs and is put to use near Medicine Hat, and " tar sands " along the northeastern edge of the Cretaceous indicate the presence of petroleum.

• The reserves in the Alberta tar sands are quoted at 180 billion barrels, bigger than that of every OPEC country except Saudi Arabia.

• There are several sources for oil including shale, tar sands and the liquid petroleum that is refined into several types of fuel.