Formal stratigraphy of the Neopleistocene (Middle and Upper/Late Pleistocene) in the Kola region, NW Russia

Korsakova, Olga

doi:10.1016/j.quaint.2019.03.007

Cited by 13 publications

(17 citation statements)

References 29 publications

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“…The exposure is approximately 25 m high. A till bed at the base is suggested to have been deposited during the Moscovian glaciation (~MIS 6) (Gudina and Yevzerov, 1973;Korsakova et al, 2004;Korsakova, 2019). Relevant to the present study, the till bed is overlain by clay, silt and sandy silt beds that spans 6.5 to 10 MASL, and with abundant mollusc shells (Korsakova, 2019).…”

Section: 16supporting

confidence: 52%

“…Post-LIG marine sediments are far more commonly preserved in the stratigraphic record. For example, at the Chapoma site on the Kola Peninsula, in addition to an LIG marine sediments (see Section 6.16), an upper marine silt is present between 11 and 13 MASL (Korsakova, 2019). Two ESR dates on shells at around 12 MASL in this marine unit yielded ages of 85.5 ± 3.2 ka and 86.0 ± 3.9 ka (Arslanov 1981), placing it into MIS 5a.…”

Section: Pre-and Post-lig Sea Level Oscillationsmentioning

confidence: 94%

“…Ikonen and Ekman, 2001) and temperate saline water conditions (e.g. Korsakova, 2019). Based mainly on mollusc, foraminifera, and pollen results, the silty sands are thought to have been deposited during the LIG (MIS 5e) (Gudina and Yevzerov, 1973;Ikonen and Ekman, 2001;Korsakova, 2009Korsakova, , 2019 despite the slightly younger IRSL age of 109.9 ± 10.9 ka obtained from these sands.…”

Section: 16mentioning

confidence: 99%

“…A till bed at the base is suggested to have been deposited during the Moscovian glaciation (~MIS 6) (Gudina and Yevzerov, 1973;Korsakova et al, 2004;Korsakova, 2019). Relevant to the present study, the till bed is overlain by clay, silt and sandy silt beds that spans 6.5 to 10 MASL, and with abundant mollusc shells (Korsakova, 2019). Foraminifera fauna identified from these marine sediments include a rich and relatively warmwater-indicating fauna with species such as Bulimina aculeata, Bolivina pseudoplicata and Hyalina baltica (e.g.…”

Section: 16mentioning

confidence: 99%

“…Accordingly, this unit is most likely correlative with the LIG (MIS 5e) (e.g. Korsakova et al, 2004;Korsakova, 2019).…”

Section: Strelnamentioning

confidence: 99%

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Last interglacial (MIS 5e) sea level proxies in the glaciated Northern Hemisphere

Dalton

Gowan

Mangerud

et al. 2021

Preprint

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Abstract. Because global sea level during the last interglacial (LIG; 130–115 ka) was higher than today, the LIG is a useful analogue for improving predictions of future sea level rise. Here, we synthesize sea level proxies for the LIG in the glaciated Northern Hemisphere for inclusion in the World Atlas of Last Interglacial Shorelines (WALIS) database. We describe 82 sites from Russia, northern Europe, Greenland and North America from a variety of settings, including boreholes, riverbank exposures and along coastal cliffs. Marine sediments at these sites were constrained to the LIG using a variety of radiometric methods (radiocarbon, U-Series dating, K-Ar dating), non-radiometric methods (amino acid dating, luminescence methods, and electron spin resonance, tephrochronology) as well as various stratigraphic and palaeoenvironmental approaches. As the areas in this database were covered by ice sheets from the penultimate glaciation and were affected by glacial isostatic adjustment (GIA), most of the proxies show that sea level was much higher than present during the LIG. Many of the sites show evidence of regression due sea level fall due to GIA uplift, and some also show fluctuations that may reflect regrowth of continental ice or increased influence of the global sea level signal. The database is available at https://doi.org/10.5281/zenodo.5602212 (Dalton et al., 2021).

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Section: 16supporting

confidence: 52%

Section: Pre-and Post-lig Sea Level Oscillationsmentioning

confidence: 94%

Section: 16mentioning

confidence: 99%

Section: 16mentioning

confidence: 99%

“…Accordingly, this unit is most likely correlative with the LIG (MIS 5e) (e.g. Korsakova et al, 2004;Korsakova, 2019).…”

Section: Strelnamentioning

confidence: 99%

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Last interglacial (MIS 5e) sea level proxies in the glaciated Northern Hemisphere

Dalton

Gowan

Mangerud

et al. 2021

Preprint

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Highly variable sediment deposition in Lake Imandra, NW Russia, since the Late Pleistocene

Lenz

Lebas

Fedorov

et al. 2021

J Quaternary Science

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To understand the dynamics of sediment deposition and the potential influences of complex current systems in large lakes, Lake Imandra (Kola Peninsula) has been investigated. Seismic and echo‐sounder data of the central part of Bolshaya Imandra reveal the sediment architecture in unprecedented detail. In addition, the sediment core data indicate highly variable depositional processes since the Late Pleistocene. The complex morphology of the lacustrine basin favoured accumulation of sediment in depressions, where they were preserved from erosion. Three main stratigraphic units (SU I–III) were identified above the acoustic basement. The oldest SU III is best preserved along a tectonic trench and interpreted as glacial deposits partly eroded by the Scandinavian Ice Sheet during Marine Isotope Stage (MIS) 2. The overlying SU II deposits are regarded as a till related to MIS 2 glaciation. The youngest SU I represents glaciofluvial, glaciolacustrine and lacustrine sediment deposited after ice retreat. As the north–south‐trending main axis of Bolshaya Imandra runs parallel to the predominant wind direction, the basin is subject to strong wind‐induced surficial currents and compensatory subsurface currents. These currents occur in water depth of 0–15 and deeper than 30 m, respectively, and their velocity prevents sediment accumulation.

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European Russia: glacial landforms prior to the Last Glacial Maximum

Korsakova

Vashkov

Nosova

2022

European Glacial Landscapes

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Formal stratigraphy of the Neopleistocene (Middle and Upper/Late Pleistocene) in the Kola region, NW Russia

Cited by 13 publications

References 29 publications

Last interglacial (MIS 5e) sea level proxies in the glaciated Northern Hemisphere

Last interglacial (MIS 5e) sea level proxies in the glaciated Northern Hemisphere

Highly variable sediment deposition in Lake Imandra, NW Russia, since the Late Pleistocene

European Russia: glacial landforms prior to the Last Glacial Maximum

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