jinis
gandheng tuff, tuff rhyolitic, basaltic tuff, trachyte tuff, tuff andesitic lan ignimbrite.
Thermal Travertine lan Tufa
fitur
tansah ditemokake minangka pipo vulkanik liwat lemah ndhuwur Continental jero
stalactites lan stalagmites sing kawangun saka watu iki, lumahan asring mengilap, rock grained banget nggoleki
monumen misuwur
pulo Paskah ing segitiga Polinesia, pacific segara
Colosseum ing Roma, Italia, Sacre coeur in paris, prancis, Trevi Fountain in rome, italy