THE INnUENCE OF THE URBAN ENVIRONMENT ON THE STONE OF THE ARENA IN PULA

The paper presents data on quantity of sulphate, chloride and Izlokni su podaci o kolihni sulfata, klorida i metala u uzorcima metals in stone samples from the V i u r a n quarry and stone kamena iz kamenoloma Vinkuran i kamenih elemenata vanjskog blocks from the external curved wall of the Arena in Pula. It pldta Arene u Puli. Utvrdeno je da kamen iz kamenoloma has benn established that the stone from the Vinkuran quarry Vinkuran sadrZi neznatne kolieine topivih soli i metala. Znatajno contains insignificant content of primary soluble salts (sulphates poveCanje sulfata (do 92 puta), kao i klorida i metala, posebice and chlorides) and pmts of metal. A considerable increase in olova (do 36 puta), dokazano je u povrHinskom dijelu kamena concentration of sulphates (to 92 times), as well as chlorides and vanjskog pldta Arene. metals, particularly lead (to 36 times), has been noticed in the surface layer of stone from the external curved wall of the Arena.