jinis
Thermal Travertine lan Tufa
basalt alkalin, boninite, basalt alumina dhuwur, agêng segara Pegunungan basalt (morb), basalt tholeiitic, basaltic trachyandesite, mugearite lan shoshonite
fitur
stalactites lan stalagmites sing kawangun saka watu iki, lumahan asring mengilap, rock grained banget nggoleki
tahan struktural dhuwur marang erosi lan iklim, rock grained banget nggoleki
monumen misuwur
Colosseum ing Roma, Italia, Sacre coeur in paris, prancis, Trevi Fountain in rome, italy
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