New data on Upper Carboniferous–Lower Permian deposits of Bol'shevik Island, Severnaya Zemlya Archipelago

Figures & data

Fig. 1 (a) Regional setting of the study area; (b) map of Severnaya Zemlya Archipelago with location of study sections.

Fig. 2 (a) Simplified geological map of Bol'shevik Island (modified after Makar'ev 2013); (b) composite stratigraphic section of Palaeozoic rocks of Bol'shevik Island. (For a larger version of this figure, see Supplementary File 3.)

Fig. 3 Photographs of the studied Upper Carboniferous–Permian deposits: (a) general view of outcrop intercalation of siltstones, sandstones and coals (flood plain environments); (b) close-up view of outcrop; (c) trough-cross bedded sandstone (filling in channel).

Fig. 4 (a) Geological map of north-western part of Akhmatov Bay, Oleniy Peninsula, Bol'shevik Island; (b) geological cross-section across the Akhmatovskaya Formation; (c) stereographic projections of bedding poles of the Akhmatovskaya Formation.

Fig. 5 Probability distribution plot of zircon U/Pb ages of the studied sample.

Makar'ev A.A. Gosudarstvennaja geologicheskaja karta Rossijskoj federacii i ob'jasnitelnaja zapiska. Masštab 1:1 000 000 (tret'e pokolenie). List T-45-48 m. čeluskin. (State geological map of the Russian Federation. Scale 1:1 000 000 [third generation]. Sheet T-45-48th. Cheliuskin. And explanatory note.). 2013; St. Petersburg: A.P. Karpinskij Russian Geological Research Institute.

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