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What rock is slate but in the past it was shale?
Shale is a sedimentaory rock, while Slate is a metamorphic rock. Generally the shale is metamorphosed into slate.
Was slate once shale?
Yes, slate was once shale. Shale is a sedimentary rock formed from the compaction of mud and clay, while slate is a metamorphic rock that forms from the metamorphism of shale. The process of metamorphism involves heat and pressure, which transforms the shale into slate by aligning the minerals and creating a foliation (layering) within the rock.
What is used to turn shale into slate?
Shale (a sedimentary rock) transforms naturally into slate (a metamorphic rock) after millions of years of burial deep in the crust under high temperature and pressure. It it not possible to artificially transform shale into slate.
What is shale after heat and pressure?
Slate is the metamorphic rock that forms from shale after it is exposed to heat and pressure for a llllloooooonnnnnnnggggg time.
What type of rock is slate?
A metamorphic rock.
