Structure and composition of the Uralian ophiolites reflect a large spectrum of geodynamic environment of their creation during Paleozoic time:from mid-ocean ridge,rift zone in continental margin,and suprasubduction spreading zone(SSZ)with resultant lherzolite or harzburgite ophiolite type(LOT and HOT).Residual Structure and composition of the Uralian ophiolites reflect a large spectrum of geodynamic environment of their creation during Paleozoic time: from mid-ocean ridge, rift zone in continental margin, and suprasubduction spreading zone (SSZ) with resultant lherzolite or harzburgite ophiolite type (LOT and HOT) .Residual