THE KUZNECHENSKY MASSIF OF POTASSIC PORPHYRITIC GRANITES: RESULTS OF U-PB DATING AND SUBSTANTIATION OF THE TECTONIC POSITION (BALTIC SHIELD)

THE KUZNECHENSKY MASSIF OF POTASSIC PORPHYRITIC GRANITES: RESULTS OF U-PB DATING AND SUBSTANTIATION OF THE TECTONIC POSITION (BALTIC SHIELD)

Baltybaev Sh.K.; Sal'nikova E.B.; Glebovitsky V.A.; Berezhnaya N.G.; Yakovleva S.Z.; Kovach V.P.
xmlui.dri2xhtml.METS-1.0.item-citation: Doklady Earth Sciences, 2004, 398, 7, 1024-1028
Date: 2004

Abstract:

The high-grade metamorphism (no lower than the high-temperature amphibolite facies) and involvement of the massif in the intricate folding suggest its emplacement at the orogenic stage of Svecofennide evolution. To date, we have obtained a sufficiently precise age interval (1.87-1.89 Ga) for this stage. This communication presents results of U-Pb-dating of zircon and monazite from granites of the Kuznechensky Massif that support their emplacement at the orogenic stage.

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