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EVOLUTIONAL MODEL OF EARLY VENDIAN TRAPPEAN MAGMATISM IN SOUTH-WESTERN PART OF THE EAST-EUROPEAN PLATFORM

Stages of pericraton trappean magmatism, what showed up in south-western part of the East-European platform in connection with dissidence of supermainland of Rhodiniya and opening of paleoocean of Yapetus (Galycka geosyncline) in early Vend, are considered. Eruption of picrite and olivine basalts of...

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Bibliographic Details
Main Author: Mel’nichuk, V. G.
Format: Article
Language:Ukrainian
Published: Institute of Geological Sciences, NAS of Ukraine 2010
Online Access:http://geojournal.igs-nas.org.ua/article/view/221184
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Summary:Stages of pericraton trappean magmatism, what showed up in south-western part of the East-European platform in connection with dissidence of supermainland of Rhodiniya and opening of paleoocean of Yapetus (Galycka geosyncline) in early Vend, are considered. Eruption of picrite and olivine basalts of zakhidno-buzkiy trappean complex happened in first stage. There were erupted cooper-bearing low titanous tholeiites of verkhnjo-prypjatskiy and dacite ofBrestcomplexes are products of crust contamination of magmas in second stage. High-titanous plateau-basalts were outpoured and gabbro-dolerite of bilovesko-podilskiy complex were encroached from plum that spread in a sublitishperic mantle in thirdstage.