The formation of the Columbian supercontinent at 1.9～1.8 Ga has been a topic of wide interest in recent years. The assemblage of the supercontinent has been recorded in the Siberian craton by the 1.9～1.8 Ga high grade metamorphic belt. The U-Pb zircon geochronological study has gained a new insight into the geological evolution of the southeastern margin of the Siberian craton. Zircons from migmatitic biotite plagioclase gneiss show core-rim textures in cathodoluminescence (CL) image. Core features indicate detrital deposits of magmatic origin zircons. Structureless overgrowths are metamorphic in origin. The four age groups of detrital cores are ≥2.57, ～2.39, ～2.33 and ～2.20 Ga. The age of migmatitic overgrowths is 1.84 Ga. It is therefore suggested that the sediments were deposited at～2.20 Ga and derived from Archean and Paleoproterozoic source rocks. These data indicate that the metamorphic rocks were formed in Paleoproterozoic instead of Archaean as conventionally thought. Hafnium analysis shows that the cores of zircons from migmatitic felsic gneiss have negative or positive as well as variable εHf(t) values (-16.2 to+2.7) and Archean (3.7 to 2.8 Ga) depleted-mantle model ages, the overgrowths of zircon have negative variable εHf (t) values (-18.6 to -7.5) and Archean (3.6 to 2.9 Ga) depleted-mantle model ages. The εHf(t) values of most zircon cores are negative, indicative of a recycled continental crust. The source region of these magmas might have been related to Archean material of the Aldan Craton, suggesting derivation from an isotopically heterogeneous old crust source. U-Pb in situ zircon dating shows a 1.84 Ga overgrowth of zircons in migmatitic gneiss, implying Paleoproterozoic migmatization. The 1.84 Ga age of the migmatization event is correlated with the 1.9～1.8 Ga high grade metamorphism recorded in other regions of the world such as North America craton, Greenland, Baltica, and North China Craton, and was probably related to the formation of the Columbia.