Slateâ ;Fine-Grained, Foliated Metamorphic Rock ;. Slateâ Is A Fine-Grained, Foliated Metamorphic Rock That Is Created By The Alteration Of Shale Or Mudstone By Low-Grade Regional Metamorphism. The Specimen Shown Above Is About Two Inches & X28;Five Centimeters& X29; Across. What Is Slate? Slate Is A Fine-Grained, Foliatedâ Metamorphic Rockthat Is Created By The Alteration Ofâ Shaleâ Or Mudstone By Low-Grade Regional Metamorphism. It Is Popular For A Wide Variety Of Uses Such As Roofing, Flooring, And Flagging Because Of Its Durability And Attractive Appearance.

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acrosswhat alteration appearance attractive centimetersx29 created durability finegrained flagging flooring foliated foliatedmetamorphic inches lowgrade metamorphic metamorphism mudstone ofshaleor popular regional rock rockthat roofing shale shown slatefinegrained slateis slateslate specimen two uses variety wide x28five