Ключевые слова: ancient city, antiquity, aragonite, basin, bath, brittle, calcareous, calcareous deposits, calcium bicarbonate, calcium sulphate, carbonate, cleopatra, denizli province, deposit, excavations, fine, fraction of calcite, geothermal, grained, hierapolis, homogeneous, magnesium and carbon dioxide, mainly, mineral, minerals, mountain, museum, pamukkale, polycrystalline, rock formed by calcium, smaller, southwest, stone, tiburian, tourism, travertine, travertine basin, tuff, turkey,