Oil-sand
noun, Geology.
1.
a sand or sandstone containing oil or tarry residue in the pore spaces.
noun
1.
a sandstone impregnated with hydrocarbons, esp such deposits in Alberta, Canada
oil sand
A stratum of sand or sandstone containing petroleum that can be extracted by way of wells. The term is also applied to limestone and dolomite strata that contain petroleum.
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