The formation of raised beaches in southern Finland during the Ancylus and Litorina stages

In studies of the shoreline displacement it has generally been accepted that raised beaches were formed during the highest positions of water level during transgressions, before the subsequent regressions, at times when the water level remained long enough (300-1300 years) in the same relative posit...

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Main Authors: T. Jantunen, J. Donner
Format: Article
Language:English
Published: Geological Society of Finland 1996-12-01
Series:Bulletin of the Geological Society of Finland
Subjects:
Online Access:http://www.geologinenseura.fi/bulletin/Volume68/sgs_bt_068_2_pages_034_039.pdf
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author T. Jantunen
J. Donner
author_facet T. Jantunen
J. Donner
author_sort T. Jantunen
collection DOAJ
description In studies of the shoreline displacement it has generally been accepted that raised beaches were formed during the highest positions of water level during transgressions, before the subsequent regressions, at times when the water level remained long enough (300-1300 years) in the same relative position. There were, however, also similar times for the formation of raised beaches during the relative regressions preceding the transgressions. As a result of this the raised beaches often occur together in pairs, where the older beach of the regression is lower than that of the younger transgression beach. It follows from this new explanation that the former water level fluctuations in the Baltic Sea were fewer than the numerous raised beaches at various altitudes would suggest, as there was only one relative transgression for each pair of raised beaches.
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spelling doaj.art-68e2358edd784266a6c4919b1f2ac3612022-12-21T21:17:54ZengGeological Society of FinlandBulletin of the Geological Society of Finland0367-52111799-46321996-12-01682343910.17741/bgsf/68.2.003The formation of raised beaches in southern Finland during the Ancylus and Litorina stagesT. JantunenJ. DonnerIn studies of the shoreline displacement it has generally been accepted that raised beaches were formed during the highest positions of water level during transgressions, before the subsequent regressions, at times when the water level remained long enough (300-1300 years) in the same relative position. There were, however, also similar times for the formation of raised beaches during the relative regressions preceding the transgressions. As a result of this the raised beaches often occur together in pairs, where the older beach of the regression is lower than that of the younger transgression beach. It follows from this new explanation that the former water level fluctuations in the Baltic Sea were fewer than the numerous raised beaches at various altitudes would suggest, as there was only one relative transgression for each pair of raised beaches.http://www.geologinenseura.fi/bulletin/Volume68/sgs_bt_068_2_pages_034_039.pdfraised beachessea level changestransgressionregressionupliftLitorina SeaAncylus LakeHolocenesouthern Finland
spellingShingle T. Jantunen
J. Donner
The formation of raised beaches in southern Finland during the Ancylus and Litorina stages
Bulletin of the Geological Society of Finland
raised beaches
sea level changes
transgression
regression
uplift
Litorina Sea
Ancylus Lake
Holocene
southern Finland
title The formation of raised beaches in southern Finland during the Ancylus and Litorina stages
title_full The formation of raised beaches in southern Finland during the Ancylus and Litorina stages
title_fullStr The formation of raised beaches in southern Finland during the Ancylus and Litorina stages
title_full_unstemmed The formation of raised beaches in southern Finland during the Ancylus and Litorina stages
title_short The formation of raised beaches in southern Finland during the Ancylus and Litorina stages
title_sort formation of raised beaches in southern finland during the ancylus and litorina stages
topic raised beaches
sea level changes
transgression
regression
uplift
Litorina Sea
Ancylus Lake
Holocene
southern Finland
url http://www.geologinenseura.fi/bulletin/Volume68/sgs_bt_068_2_pages_034_039.pdf
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