Postglacial and Recent Crustal Movements in the Northeast of the Baltic Shield

KOSHECHKIN, B.I.; MARKOV, G.A.; NIKONOV, A.A.; PANASENKO, G.D.; STRELKOV, S.A.

doi:10.1016/b978-0-444-41420-5.50040-x

Cited by 2 publications

(2 citation statements)

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“…Numerous researchers have highlighted the high contrast in neotectonic movements, the change in sedimentation conditions as the result of the rising coastline, traces of strong seismicity during the late and postglacial periods along the White Sea coast and the increased level of modern seismicity within the Kandalaksha Graben when compared to its surrounding regions (Baluev et al, 2009a, 2009b; Evzerov et al, 2014; Gorbatov et al, 2020; Gorbatov and Sorokin, 2018; Kosevich and Romanovskaya, 2014; Koshechkin, 1979; Lukashov, 2004; Maev et al, 2010; Marakhanov and Romanenko, 2014; Rybalko et al, 2011; Shevchenko et al, 2007; Shvarev et al, 2022; Zaretskaya et al, 2022).…”

Section: Study Areamentioning

confidence: 99%

“…The White Sea is a unique geodynamic structure: its northwestern shores are located on the Fennoscandian Shield and during the Holocene, they have undergone and continue to undergo a significant, predominantly isostatic uplift. In contrast, the southeastern coast, located on the Russian Plate, has remained relatively stable throughout the Holocene (Koshechkin, 1979). Within the background of the overall uplift characteristic of the Fennoscandian Shield, there have been distinct movements of the Earth's crust in the northwestern part of the White Sea.…”

Section: Introductionmentioning

confidence: 99%

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Paleogeographical reconstructions of the environment on the Karelian shore of the White Sea (Keret Area, Russia)

Shelekhova,

Lavrova,

Lobanova

et al. 2023

The Holocene

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Archeological sites of ancient people have been identified on the Karelian coast of the White Sea, near the mouth of the Keret River. The aim of our studies was to determine the position of the sea shoreline, correlate archeological sites with it, date ancient settlements, and reconstruct the paleoclimatic conditions and habitats of ancient people. We analyzed the bottom sediments of five small lakes that became separated from the sea at various times during the Holocene, using a combination of Quaternary geological methods such as spore-pollen, diatoms, radiocarbon (14C), etc. New data have been obtained regarding the timing when the study area resurfaced and the possibility of its subsequent habitation by humans. We have generated q curve illustrating the relative displacement of the White Sea coastline, thus reconstructing the migration of the sea coastline. The article also presents parameters detailing the differentiated movements of various blocks of the crystalline basement along the Karelian coast of the White Sea. Additionally, we produced paleogeographic reconstructions describing the natural conditions of the habitat of ancient people and the development of the territory from the beginning of the Holocene to the present day. Our findings indicate that people likely began inhabiting this area no earlier than 6500 years ago. Furthermore, we propose that a potential catastrophic event, such as a tsunami)= resulting from an earthquake near Veliky Island and the Velikaya Salma Strait (Kandalaksha Bay), occurred no earlier than 2600–3000 years ago.

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