GEOINFORMATION SYSTEM “GEOLOGY OF SOUTHEASTERN FENNOSCANDIA”: PROSPECTS FOR ITS USE IN COMPILING STATE GEOLOGICAL MAPS AND ENVIRONMENTAL PROTECTION

http://doi.org/10.24057/2414-9179-2018-1-24-368-381

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About the Authors

Vyacheslav S. Kulikov

Institute of geology of Karelian Research Centre of the Russian Academy of Sciences,
Pushkinskaya str., 11, 185910, Petrozavodsk, Russia,
E-mail: kulikov@krc.karelia.ru

Sergey A. Svetov

Institute of geology of Karelian Research Centre of the Russian Academy of Sciences,
Pushkinskaya str., 11, 185910, Petrozavodsk, Russia,
E-mail: ssvetov@krc.karelia.ru

Aleksandra V. Stepanova

Institute of geology of Karelian Research Centre of the Russian Academy of Sciences,
Pushkinskaya str., 11, 185910, Petrozavodsk, Russia,
E-mail: stepanov@krc.karelia.ru

Victoria V. Kulikova

Institute of geology of Karelian Research Centre of the Russian Academy of Sciences,
Pushkinskaya str., 11, 185910, Petrozavodsk, Russia,
E-mail: vkulikova@yandex.ru

Anatoliy K. Polin

Institute of geology of Karelian Research Centre of the Russian Academy of Sciences,
Pushkinskaya str., 11, 185910, Petrozavodsk, Russia,
E-mail: polin@krc.karelia.ru

Maksim A. Gogolev

Institute of geology of Karelian Research Centre of the Russian Academy of Sciences,
Pushkinskaya str., 11, 185910, Petrozavodsk, Russia,
E-mail: mag-333@mail.ru

Abstract

The preliminary results of the use of the geoinformation system “Geology of Southeastern Fennoscandia”, developed in the Institute of Geology, KarRC, RAS, are reported. At stage I (2013–2016), a 1 : 750 000 scale geological map, based on the revised International Cronostratigraphic Chart, was compiled and tested. Eighteen chronostratigraphic units, ranking as systems and supersystems (Archean—8, Proterozoic—10), each having its own colour and digital index, were identified for the first time in the Precambrian sequences of the region.

Geological map was presented and briefly described in [Kulikov et al., 2017]. It provided a basis for constructing sketch maps (published for the first time) of: 1) dyke swarms, sills and associated (assumed and other) magmatic massifs; 2) mantle-plume magmatism in SE Fennoscandia. Analysis of the evolution of various-facies mafic-ultramafic magmatism (preserved relics of lava flows, subvolcanic bodies, deep-seated massifs and volcaniclastic rocks) and associated kimberlites and carbonatites has revealed at least nine large igneous provinces (LIPs) and one silicon province (SLIP) after [Ernst, 2014]. They seem to have been produced basically by corresponding plumes and superplumes: 8 continental (intraplate) (Proterozoic-Paleozoic) and 2 oceanic (Archean). Some of the superplumes display up to four intrusion impulses that continued for up to 30 Ma.

Available geochronological data show that igneous activity in SE Fennoscandia lasted 3 Ga, spanning 7 of 9 geological eras, except for the Mesoproterozoic and Mesozoic.

Geological map is used to show the geological diversity of nature reserves and national parks in the region and its significance for environmental protection, encouragement of new forms of tourism in strictly protected areas and establishing new geoparks.

Keywords

cartography, strictly protected areas, geology.

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For citation: Kulikov V.S., Svetov S.A., Stepanova A.V., Kulikova V.V., Polin A.K., Gogolev M.A. GEOINFORMATION SYSTEM “GEOLOGY OF SOUTHEASTERN FENNOSCANDIA”: PROSPECTS FOR ITS USE IN COMPILING STATE GEOLOGICAL MAPS AND ENVIRONMENTAL PROTECTION Proceedings of the International conference “InterCarto. InterGIS”. 2018;24(1):368–381 http://doi.org/10.24057/2414-9179-2018-1-24-368-381