%0 Journal Article %T Strontium isotope stratigraphy: Possible applications for age estimation and global correlation of Late Permian carbonates of the Pechishchi type section, Volga River %A Nurgalieva, N.G. %A Ponomarchuk, V.A. %A Nurgaliev, D.K. %K strontium isotopic stratigraphy, 87Sr/86Sr ratio, Permian rocks, carbonates, evaporates. %J Russian Journal of Earth Sciences %D 2007 %N 9 %P 7 %I Geophysical Center of the Russian Academy of Sciences