Types
Thermal Travertine and Tufa
Welded tuff, Rhyolitic tuff, Basaltic tuff, Trachyte tuff, Andesitic tuff and Ignimbrite.
Features
Stalactites and stalagmites are formed from this rock, Surfaces are often shiny, Very fine grained rock
Always found as volcanic pipes over deep continental crust
Archaeological Significance
Monuments
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Famous Monuments
Colosseum in Rome, Italy, Sacré Coeur in Paris, France, Trevi Fountain in Rome, Italy
Easter Island in the Polynesian Triangle, Pacific Ocean
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