Detrital zircon U-Pb-dating from sandstones of the Manitanyrd series at the Manitanyrd ridge (Polar Urals)

The article presents results of the first U-Pb-dating of detrital zircons from sandstones in the aleurolite-sandstone strata at the base of the Uralides section at the Manitanyrd Ridge. It was established that main sources of terrigenous material for sandstones were Early Vendian to Early Ordovician complexes at various stages of Protouralides-Timanides formation. We made conclusion that the aleurolite-sandstone strata belong to the upper member of the Manitanyrd Group - Middle Ordovician Malopaypudynskaya Formation - a stratigraphic analog of the Saledskaya Formation at the Subpolar Urals. Based on a comparison of the ages of detrital zircons from various Lower Paleozoic sections of the Subpolar and Polar Urals, we assume that this area had the same geological history in the Late Riphean - Early Paleozoic.