Типы питающих провинций верхнедокембрийских отложений Волго-Уральской области

A. V. Maslov

Аннотация


Анализ распределения составов глинистых пород рифея и венда Волго-Уральской области на диаграммах (La/Yb)N–Eu/Eu* и (La/Yb)N–Th показал, что осадочные последовательности верхнего докембрия указанной территории сложены преимущественно материалом, поступавшим в область седиментации под влиянием крупных рек и рек, дренировавших осадочные образования. Продукты размыва магматических/метаморфических террейнов и вулканических провинций (все типы провинций, по Bayon et al., 2015) играют в их составе подчиненную роль. Это в той или иной мере согласуется с имеющимися в литературе представлениями, но требует определенной корректировки.

Ключевые слова


верхний докембрий; Волго-Уральская область; глинистые породы; геохимия; типы питающий провинций

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Литература


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DOI: http://dx.doi.org/10.17072/psu.geol.19.2.101

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(c) 2020 A.V. Maslov

URL лицензии: http://creativecommons.org/licenses/by/3.0/