Abstract
The first evidence of Late Ordovician magmatism of the October Revolution Island (Severnaya Zemlya archipelago, Russian High Arctic): geochronology, geochemistry and geodynamic settings
Highlights
The Severnaya Zemlya archipelago is located in the Russian High Arctic to the north of Siberia (Fig. 1A)
We present a comprehensive study of Late Ordovician (Sandbian) granitic rocks from the southeastern part of October Revolution Island in the Severnaya Zemlya archipelago (Kara Terrane)
This paper presents new geochronological and geochemical data from a granitic body that was intruded into lowermost Palaeozoic rocks along the southeastern part of October Revolution Island
Summary
The Severnaya Zemlya archipelago is located in the Russian High Arctic to the north of Siberia (Fig. 1A). It is composed of four large islands: Bol’shevik, October Revolution, Pioneer and Komsomolets, as well as a number of smaller islands (Fig. 1B). Severnaya Zemlya and the northern part the Taimyr Peninsula together constitute the southern part of the Kara Terrane (North Kara terrane, Kara block) (Metelkin et al, 2005; Lorenz et al, 2008a, b; Drachev et al, 2011). 2020: The first evidence of Late Ordovician magmatism of the October Revolution Island (Severnaya Zemlya archipelago, Russian High Arctic): geochronology, geochemistry and geodynamic settings.
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