Types
Features
Monuments
Famous Monuments
Sculpture
Famous Sculptures
Pictographs
Petroglyphs
Figurines
Fossils
Phyllite, Schist, and Slate
Easily splits into thin plates, Surfaces are often shiny, Very fine grained rock
Carbonate-rich Shale, Siliceous Shale and Cannel Shale
Easily splits into thin plates, Generally rough to touch, Is one of the oldest rock, Very fine grained rock