Metamorphic and metasomatic complexes of the Middle Pobuzhye
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Five unstratified metamorphic complexes of Archean to Cenozoic age were identified and described on the basis of structural relationships in the reference section along the Bug River. Petrotypes of complexes have been identified in the section section of about 200 km, their mappability, mapping features, structural position and age have been shown. Eight metasomatic complexes were identified. All the selected complexes are brought together in a unified scheme by their relative age; the correctness of the constructions is verified by the results of isotope-geochronological studies. The presence...
Five unstratified metamorphic complexes of Archean to Cenozoic age were identified and described on the basis of structural relationships in the reference section along the Bug River. Petrotypes of complexes have been identified in the section section of about 200 km, their mappability, mapping features, structural position and age have been shown. Eight metasomatic complexes were identified. All the selected complexes are brought together in a unified scheme by their relative age; the correctness of the constructions is verified by the results of isotope-geochronological studies. The presence of gneiss-dome formations has been confirmed and a new type of tectonic structures for the Middle Pobuzhye - metamorphic melanges of shear-thrust morphology - has been established. Widespread development of low-amplitude Alpine thrusts has been established. The structural position of the known gold ore occurrences is clarified and two new prospecting areas for ore gold are proposed. The methodology used allows the results to be obtained directly in the field and can be verified by alternative methods.
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