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Geological survey reveals stratigraphic correlation of Riphean paleovolcanoes, suggesting insights into Taimyr's history.
A correlation of detailed stratigraphic section of various facies zones of the Riphean paleovolcanoes has been stated for the first time in the northeastern Taimyr on the basis of geological survey data. Homodromous orientation of volcanism is registered in facies of vent, near-vent, intermediate and distant zones of monogenic and heterogenic, linear and central types of volcanoes. The composition of the Laptev Suite is determined, and its structure is proposed to be of two parts with a section of variable lithology in facies of various zones of paleovolcanoes. The supposition in favor of shallow-island character and Middle Upper Riphean age of volcanism has been documented. Correlation of sections of volcanic facies of various zones in the Riphean paleovolcanoes will help elucidating the Taimyr Riphean stratigraphy.
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V. P. Slesarenko (1991) studied this question.
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