Palynostratigraphic investigation and luminescence dating of the Galgenmoos section and implications for the chronology of the last glacial cycle in the northern Alpine Foreland of Switzerland

Wegmüller, Samuel; Preusser, Frank; Müller, B. U.; Schlüchter, Christian (2002). Palynostratigraphic investigation and luminescence dating of the Galgenmoos section and implications for the chronology of the last glacial cycle in the northern Alpine Foreland of Switzerland. Eclogae Geologicae Helvetiae, 95(1), pp. 115-126. Birkhäuser 10.5169/seals-168949

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Up to 2 m of peat are found at Huttwil-Galgenmoos, central Switzerland, below a sequence of sandy and silty sediments. The elastic slope wash deposits are dated to be of Middle Wurmian and early late-glacial age, respectively. Within the peat, two interstadial periods of coniferous trees have been recognised. The younger interstadial belongs to the early Middle Wormian based oil palynological evidence and infrared stimulated luminescence (IRSL) dating. For the older interstadial, a significant discrepancy is found for the two different approaches been used. While the results of IRSL dating imply a deposition during the beginning Middle Wurmian, palynological evidences lead to a correlation with the first Wurmian-Interstadial (Brorup-Interstadial of northwestern Europe). The deviating results of the applied methods are discussed in detail.

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