Shale is a rock formed by muddy sediment containing large pools of accessible oil.

Name: Shale is a rock formed by muddy sediment containing large pools of accessible oil.
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Shale is a sedimentary rock formed from fine mud-sized particles that can contain organic materials, but the oil within shale is typically trapped in the rock matrix and requires hydraulic fracturing (fracking) to be extracted, rather than being found in large pools.

Shale Is a Rock Formed by Muddy Sediment Containing Large