Age comparison of granitic rocks in the Maizuru Belt, southwest Japan and Voznesenka Belt, Far East Russia

Abstract

Two granitoid samples from Vladivostok of southern part of the Voznesenka Belt yield 427.0 ± 3.1 Ma and 254 ± 3.4 Ma. Five granitoid samples from the Maizuru Belt yield 259.0 ± 3.0 Ma, 291.6 ± 4.3 Ma, 294.0 ± 4.5 Ma, 279.7 ± 2.4 Ma and 441.9 ± 2.8 Ma. The uncertainties in the ages are 95 % confidence interval (1.96 σ). Reffering to the coexistence of Triassic sequence and Silurian and Permo-Triassic granitoids, it seems that there are strong relations between the Maizuru Belt and southern part of the Voznesenka Belt.