Types
Marl, Shale and Argillite
Intermediate volcanic rock
Features
Available in Lots of Colors and Patterns, Smooth to touch, Very fine grained rock
Has High structural resistance against erosion and climate, Host rock for Diamond, Very fine grained rock
Archaeological Significance
Monuments
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Famous Monuments
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Sculpture
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Famous Sculptures
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Pictographs
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Petroglyphs
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Figurines
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Fossils
Present
Absent