Very similar, yes, but without the lamination that shale exhibits.
You don't make oil from shale, you extract oil from shale. The shale acts like a sponge, sometimes the shale is so porous that the oil can be squeezed or sucked out, otherwise it can be extracted by crushing and heating the shale.
Yes, shale is considered a common rock. Also, out of all the sedimentary rocks, it is the most common one.
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.
Expense
Its limits are 30 to 35 degrees.
mudstone
Another name for shale is mudstone
Mudstone or shale.
Slate is metamorphosed shale or mudstone.
Slate. Slate is a low grade metamorphic rock derived from shale or mudstone.
conglomerate, sandstones, siltstone, mudstone and shale.
Slate. Slate is a low grade metamorphic rock derived from shale or mudstone.
Contact metamorphism takes place locally near igneous intrusions. It is caused by low to moderate pressure, intense heat, and reactions to magma that is being metamorphosed. When contact metamorphism takes place with mudstone or shale (sedimentary rocks) slate is formed. The mudstone or shale is the parent rock or protolith.
Mudstone, siltstone, and shale.
shale or mudstone
Chert, mudstone, shale, slate, precipitated limestone.
Chert, mudstone, shale, slate, precipitated limestone.