THE U-PB AGE OF THE FEDOROV SEQUENCE OF THE ALDAN GRANULITE-GNEISS MEGACOMPLEX, THE ALDAN SHIELD

THE U-PB AGE OF THE FEDOROV SEQUENCE OF THE ALDAN GRANULITE-GNEISS MEGACOMPLEX, THE ALDAN SHIELD

Velikoslavinsky S.D.; Kotov A.B.; Sal'nikova E.B.; Glebovitsky V.A.; Kovach V.P.; Zagornaya N.Yu.; Belyaevsky N.A.; Yakovleva S.Z.; Fedoseenko A.M.
xmlui.dri2xhtml.METS-1.0.item-citation: Doklady Earth Sciences, 2003, 393, 8, 1151-1155
Date: 2003

Abstract:

The results of geochronological investigation confirm the assumption of the Early Proterozoic age of Fedorov rock mass. The estimated age (2006±3 mln years) of metaandesite protolytes of this series agrees with age estimates for tonalite-trondiemite orthogneiss of the Timpton complex (2011±2 mln ears) and for Ungrin gabbro-diorite-tonalite-trondiemite complex (2016±5 mln ears). It permits to consider formation of Fedorov group and the mentioned complexes in the framework of geodynamic system: active edge of Olekmo-Aldan continental platform - Fedorov island arc.

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