PROJECTION OF GRANITE-GNEISS DOMES OF THE NORTHERN LADOGA LAKE REGION IN MODERN RELIEF
Abstract
We analyzed the relief of granite-gneiss domes Havus, Kokkasel’skij, Riekka, Sortaval’skij and Iokirantskij in the Northern Ladoga Lake region. It is established, that the subisometric Havus and Kokkasel’skij granite-gneiss domes are projected in relief as elevations; within them a series of concentric lineaments is revealed according to the pattern of the distribution of relief development coefficients. Domes, which have a more complicated shape are both areas of elevation (Riekka, Iokirantskij), and t heregions of subsidence (Sortaval’skij dome). Computer modeling suggested that complicated relationships between the geological structures and modern relief are to a large extent conditioned by neotectonic activation of Archean domes under the northwest compression.
Supporting agencies: Russian Foundation for Fundamental Research (project № 18-35-00359)
About the Authors
A. O. Agibalov
Lomonosov Moscow State University.
Russian Federation
Faculty of Geology, Department of Dynamic Geology, postgraduate student.
Russian Federation
Faculty of Geology, Department of Dynamic Geology, postgraduate student.
A. A. Sentsov
The Schmidt Institute of Physics of the Earth RAS.
Russian Federation
Laboratory of Seismotectonics and Seismic Microzonation, Scientific Researcher.
Russian Federation
Laboratory of Seismotectonics and Seismic Microzonation, Scientific Researcher.
V. A. Zaitsev
Lomonosov Moscow State University.
Russian Federation
Faculty of Geology, Department of Dynamic Geology, Head of the Section of Geocatastrophe Research, PhD. in Geology and Mineralogy.
Russian Federation
Faculty of Geology, Department of Dynamic Geology, Head of the Section of Geocatastrophe Research, PhD. in Geology and Mineralogy.
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Review
For citations:
Agibalov A.O., Sentsov A.A., Zaitsev V.A. PROJECTION OF GRANITE-GNEISS DOMES OF THE NORTHERN LADOGA LAKE REGION IN MODERN RELIEF. Vestnik Moskovskogo universiteta. Seriya 5, Geografiya. 2018;(5):72-80. (In Russ.)
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