mountain range in mali zvornik, serbia, brasina antimony deposit, guchevo. rocks overhanging the road

brasina machvansky district massif mali zvornik europe antimony livingstone podrinj area reserves balkans rocks ore drina processing serbia mountain mercuryantimonyfluorite boranja mercury deposit mercurytungsten cinnabar rock cliff mercuryantimony ores antimonite metallurgy antimonymercury breakage antimonytungsten mine guchevo geology mineralogy