The local last glacial maximum of the southern Scandinavian ice sheet front: cosmogenic nuclide dating of erratics in northern Poland

Karol Tylmann , Vincent R. Rinterknecht , Piotr Paweł Woźniak , Didier Bourlès , Irene Schimmelpfennig , Valéry Guillou

Abstract

This paper presents new results of terrestrial cosmogenic nuclide dating of erratics in northern Poland. We report the first exposure ages of erratics located on the pre-Local Last Glacial Maximum and the Local Last Glacial Maximum moraines in Poland. Published radiocarbon ages are calibrated and used as a background indicator of the possible time window for the Local Last Glacial Maximum. The terrestrial cosmogenic nuclide exposure ages presented in this study indicate that: (1) exposure ages of erratics located on the pre-Local Last Glacial Maximum moraines (15.9 ± 1.4 to 101.7 ± 8.5 ka) are not clustered around any specific time interval, (2) the age of the ice sheet retreat from the Local Last Glacial Maximum ice limit in western Poland is 20.7 ± 0.8 ka and the probable duration of the Local Last Glacial Maximum in western and central Poland is between ∼25 ka and ∼21 ka, (3) the age of the ice sheet retreat from the Local Last Glacial Maximum ice limit in eastern Poland is 17.3 ± 0.5 ka and the probable duration of the Local Last Glacial Maximum in eastern Poland is between ∼22 ka and ∼18 ka. Our results show that the Local Last Glacial Maximum ice limit in western and central Poland is probably ∼3 ka older than in eastern Poland.
Author Karol Tylmann (FOG/IO/DMG)
Karol Tylmann,,
- Division of Marine Geology
, Vincent R. Rinterknecht
Vincent R. Rinterknecht,,
-
, Piotr Paweł Woźniak (FOG/IG/DGQG)
Piotr Paweł Woźniak,,
- Department of Geomorphology and Quarternary Geology
, Didier Bourlès
Didier Bourlès,,
-
, Irene Schimmelpfennig
Irene Schimmelpfennig,,
-
, Valéry Guillou
Valéry Guillou,,
-
Corporate authorASTER Team
Journal seriesQuaternary Science Reviews, ISSN 0277-3791, (N/A 100 pkt)
Issue year2019
Vol219
Pages36-46
Publication size in sheets0.50
Keywords in EnglishLocal Last Glacial Maximum, Leszno (Brandenburg) Phase, Poznań (Frankfurt) Phase, cosmogenic nuclide dating, Scandinavian Ice Sheet, erratics
ASJC Classification1105 Ecology, Evolution, Behavior and Systematics; 1204 Archaeology; 3302 Archaeology; 1907 Geology; 2306 Global and Planetary Change
DOIDOI:10.1016/j.quascirev.2019.07.004
Languageen angielski
Score (nominal)100
Score sourcejournalList
ScoreMinisterial score = 100.0, 13-02-2020, ArticleFromJournal
Publication indicators WoS Citations = 0.000; Scopus SNIP (Source Normalised Impact per Paper): 2017 = 1.550; WoS Impact Factor: 2018 = 4.641 (2) - 2018=5.350 (5)
Citation count*4 (2020-06-30)
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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