Oil shale Definition
Oil Shale is a fine-grained sedimentary rock from which oil is extracted
From Old English scealu in its base sense of thing that divides or separate
Fine Grained Rock, Opaque Rock
Define Oil shale
Oil shale is one of the important type of rocks. If we have to define Oil shale in general, Oil Shale is a fine-grained sedimentary rock from which oil is extracted. Oil shale comes under Sedimentary Rocks. All Sedimentary Rocks have similar properties and formation process. Along with Oil shale Definition, know more about the History of Oil shale, Etymology of Oil shale in next sections.