The age of Spitsbergen basement consolidation: U–Pb dating of detrital zircons from the Upper Precambrian and Lower Carboniferous clastic rocks of the northwestern part of Nordenskiöld Land


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The age distribution of detrital zircons from Upper Riphean and Early Carboniferous sandstones of the northwest part of Nordenskiöld Land (Spitsbergen Island) was studied. The results obtained supplement the previously known data on the rocks of Precambrian and Paleozoic masses of West Spitsbergen. Integrated consideration of these data showed that the time interval from the Middle Riphean to the Early Carboniferous inclusive might be subdivided into at least five stages characterized by quite different provinces supplying detritus to sedimentary basins. (The relics of these latter are represented in the present structure of western Svalbard.) The most ancient distinguished event of alteration of the sources of sedimentary matter (at the boundary of the Middle and Late Riphean) corresponds to the consolidation time of the ancient basement of Svalbard.

作者简介

A. Sirotkin

Polar Marine Geosurvey Expedition

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Email: pechenga-67@yandex.ru
俄罗斯联邦, St. Petersburg, 198412

Yu. Marin

St. Petersburg Mining University

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俄罗斯联邦, St. Petersburg, 199106

N. Kuznetsov

Geological Institute; Kazan (Volga Region) Federal University

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俄罗斯联邦, Moscow, 119017; Kazan, 420008

G. Korobova

St. Petersburg Mining University

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俄罗斯联邦, St. Petersburg, 199106

T. Romanyuk

Schmidt Joint Institute of Physics of the Earth; Gubkin Russian State University of Oil and Gas

Email: pechenga-67@yandex.ru
俄罗斯联邦, Moscow, 123242; Moscow, 119991

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