What sedimentar rock is formed from thin layers of clay compaced tightly together?

Answer 1

This sedimentary rock is shale.

Proof of this is in the introduction of this WikiPedia article:

http://en.wikipedia.org/wiki/Shale

G'day

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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)

Answer 2

== == Shale--sedimentary rock composed of clay and silt particles showing layering. Mudstone--sedimentary rock composed of clay and silt particles which don't show layering.

Answer 3

Claystone, and shale are sedimentary rocks formed from lithified deposits of clay.

Answer 4

Claystone is a sedimentary rock formed from clay deposits. Another sedimentary rock that forms from clay deposits is shale.

Answer 5

Slate is formed by compression of clay and silt.

Answer 6

Claystone.