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shale
The sediments that eventually formed the rock shale were generally still water clay and mud particles.
Shale is a clastic sedimentary rock formed of clay and silt sized eroded particles that are a result of both physical and chemical weathering. The clay minerals, however are the result of chemical weathering of feldspars.
Shale rocks are formed in the deep waters of swaps, oceans and lakes where the water is still and the fine clay and silt particles are able to settle to the floor. Shale rocks can easily erode due to weathering.
This sedimentary rock is shale. Proof of this is in the introduction of this WikiPedia article: http://en.wikipedia.org/wiki/Shale G'day _______________________________________________________________________ PS: Forgive me, but this sounds almost exactly like the question from the "Taken for Granite" sheet, and judging by how recent the question is, I think that you could've gotten this answer if you typed it in google. --Chewy (if you are who I think you are, you'll get who I am)
Shale
Shale is made from layers of mud and clay pressed together. :)
Claystone, and shale are sedimentary rocks formed from lithified deposits of clay.
It is more accurate to say it is formed from clay and silt.
shale
Shale
This is Shale, a Sedimentary rock.
it is called SHALE :)
shale
shale
The sediments that eventually formed the rock shale were generally still water clay and mud particles.
Yes. Compaction and cementation of clay minerals can result in the formation of shale and claystone.