Tar sands are sedimentary rocks impregnated with which substances?

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Study for APES Energy Test. Access flashcards and multiple choice questions, each with explanations. Master APES energy concepts and ace your test!

Multiple Choice

Tar sands are sedimentary rocks impregnated with which substances?

Explanation:
Tar sands are sedimentary rocks saturated with heavy hydrocarbons, primarily bitumen. This viscous material fills the pores of the rock, giving the formation a thick, tar-like hydrocarbon content that can be mined or heated to extract oil. The other descriptions don’t fit because water and clay indicate a different mineral mix, and metamorphic or volcanic rocks have formed through heat, pressure, or cooling processes rather than being impregnated with liquid hydrocarbons.

Tar sands are sedimentary rocks saturated with heavy hydrocarbons, primarily bitumen. This viscous material fills the pores of the rock, giving the formation a thick, tar-like hydrocarbon content that can be mined or heated to extract oil. The other descriptions don’t fit because water and clay indicate a different mineral mix, and metamorphic or volcanic rocks have formed through heat, pressure, or cooling processes rather than being impregnated with liquid hydrocarbons.

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