Oil shale
In the earth underground or in shale.
Shale underneath, to provide the organic material, then the oil and gas are usually found within sandstone. Above you will find shale again, or possibly caly or slate
When oil shale burns it produces high quantities of ash, and is usually taken to large ash heaps!
Coal oil is only found in cannel coal and bituminous shale coal.
Hydrocarbon and oil shale
Oil shale, potash, phosphates, water, and gas are natural resources of Jordan.
Could be oil in shale or it could be coal.
Shale oil is an oil distilled from shales and used as fuel
Shale Is Offfen Found In Lakes
The reason that oil shale is not used to produce oil is because this is what keeps the oil well from collapsing after the oil is removed. If the oil shale were mined, the oil well would collapse into a large trench in the ground.
one has oil shale and one dosent