Veränderter Lebensraum – Gestern, Heute Und Morgen Hauptversammlung Der Deutschen Quartärvereinigung E.V

©Geol. Bundesanstalt, Wien; download unter www.geologie.ac.at ABHANDLUNGEN DER GEOLOGISCHEN BUNDESANSTALT Abh. Geol. B.-A. ISSN 0378-0864 ISBN 978-3-85316-043-5 Band 62 S. 217–218 Wien, August 2008 Veränderter Lebensraum – gestern, heute und morgen Hauptversammlung der Deutschen Quartärvereinigung e.V. (DEUQUA) in Wien: 31. August – 6. September 2008 Luminescence Dating of the Upper Part of the Stari Slankamen Loess Sequence (Vojvodina, Serbia) ESTHER SCHMIDT*), BJÖRN MACHALETT**), SLOBODAN B. MARKOVIC´ ***), NEBOSJA MILOJKOVIVIC´ ***), SUMIKO TSUKAMOTO*) & MANFRED FRECHEN*) Serbien Vojvodina Löss Österreichische Karte 1 : 50.000 Lumineszenzdatierung Blätter 41, 59 Chronostratigraphie Contents 1. Zusammenfassung . 217 1. Abstract . 217 1. Introduction . 217 2. Geological Setting . 218 3. Measurements . 218 4. References . 218 Lumineszenz-Datierung des oberen Teils der Stari-Slankamen-Löss-Schichtfolge (Vojvodina, Serbien) Zusammenfassung Die mittel- und spätpleistozäne Löss-Paläobodenabfolge am Aufschluss Stari Slankamen setzt sich aus sieben Lösslagen und acht zwischenge- schalteten Bodenkomplexen zusammen. Um einen zuverlässigen geochronologischen Rahmen für den letztglazialen Zyklus zu etablieren, wurden Lumineszenzdatierungen an 12 Proben aus dem oberen Abschnitt des untersuchten Profils durchgeführt. Abstract A detailed Middle and Late Pleistocene loess-palaeosol sequence is exposed at the Stari Slankamen section in the Vojvodina region (Serbia) con- sisting of seven loess layers intercalated by eight pedocomplexes. In this study we present results of luminescence dating of 12 samples collected from the upper part of the Stari Slankamen loess sequence in order to establish a more reliable chronological framework for this part of the sequence. 1. Introduction Loess-palaeosol sequences are sensitive indicators of 2006). Reliable numeric age estimates are still lacking for palaeoclimatic conditions and represent a potential archive most of the detailed loess successions, and hence, an to understand glacial-interglacial variability registered in appropriate interpretation of the terrestrial climate archives long continental records. The sequences in the Vojvodina as well as the correlation between loess-palaeosol (Serbia) are among the oldest and most complete loess sequences of the Vojvodina region with other European sequences in Europe and provide important information of loess records are difficult. Previous studies published lumi- local and regional environmental processes and conditions nescence ages obtained from the Stari Slankamen loess during the Middle and Late Pleistocene (MARKOVICˇ et al., site based on thermoluminescence measurements. The ***) ESTHER SCHMIDT, SUMIKO TSUKAMOTO, MANFRED FRECHEN, Leibniz Institute for Applied Geosciences (GGA-Institut), Section 3: Geochronology and Isotope Hydrology, Stilleweg 2, 30655 Hannover, Germany. Esther Schmidt: [email protected]. ***) BJÖRN MACHALETT, Leibniz Institute for Applied Geosciences (GGA-Institut), Section 3: Geochronology and Isotope Hydrology, Stilleweg 2, 30655 Han- nover, Germany; Chair of Geomorphology, University of Bayreuth, Bayreuth, Germany. ***) SLOBODAN B. MARKOVIC´, NEBOSJA MILOJKOVIC´, University of Novi Sad, Chair of Physical Geography, Novi Sad, Serbia. 217 ©Geol. Bundesanstalt, Wien; download unter www.geologie.ac.at dates of the described soil F2 show a close grouping at ~75 recent years and is widely used to establish confident ka, the TL dates of the soil F3 indicate an age of about 125 chronologies of loess records. The aim of this investigation ka and the soil horizons F4 and F5 have been assigned a is to carry out a more reliable chronological frame for the minimum age of >186 and >315 ka (SINGHVI et al., 1989). loess deposits by an OSL dating study. The OSL measure- According to SINGHVI et al. (1989) the TL dates suggest ments were carried out on the uppermost twelve samples that the F3 soil probably represents the last interglacial cor- of the profile assuming a correlation to the penultimate and responding to marine oxygen isotope substage 5e, and soil last interglacial-glacial cycle. F2 probably can be correlated with substage 5a. The SAR protocol was conducted on polymineral and Since the late 1990s there has been significant develop- quartz fine-grains (4–11 ␮m) to estimate equivalent dose ment within trapped charge dating including optically stim- (De). The dose rates for all samples were obtained by high ulated luminescence (OSL) dating and helped to obtain a resolution gamma spectrometry. For the polymineral fine- more accurate time range for the depositional ages of loess grains, two different techniques, infrared stimulated lumi- sediments. nescence (IRSL) in the blue and post-IR OSL signals in the This study presents the first OSL dating results from the UV using the double SAR technique, have been employed Stari Slankamen loess site. and compared with the quartz results. Investigations relat- ed to the saturation of OSL signals, anomalous fading, and the feldspar contribution to the post-IR OSL signals will be 2. Geological Setting presented. The Vojvodina region situated in the southeastern part of The ongoing research is part of a PhD study in the frame the Pannonian basin in the area of the confluence of the of the “Leibniz Pakt für Forschung und Innovation” at the rivers Danube, Sava and Tisza is rather a lowland area GGA-Institute in Hannover. covered by loess and loess-like sediments reaching a thickness of up to 55 m (MILOJKOVIC´ et al., 2007). It is regarded as a key section for understanding and recon- References structing the palaeoclimatic and palaeoenvironmental con- AITKEN, M.J. (1998): An introduction to optical dating. – Oxford ditions in southeastern Europe particularly with regard to (Oxford University Press). its geographical position between the palaeoenvironments MARKOVIC´ , S.B., KOSTIC, N.S. & OCHES, E.A. (2004): Paleosols in the of Europe and Asia and their past atmospheric circulation Ruma loess section (Vojvodina, Serbia). – Rev. Mex. de Cienc. systems (STENDER et al., 2007). Loess-palaeosol se- Geol., 21/1, 79–87. quences in the Vojvodina region were first described by MARKOVIC´ , S.B., OCHES, E., SÜMEGI, P., JOVANOVIC´ , M. & GAUDENYI, MARSIGLI (1726), who also gave a first description of the T. (2006): An introduction to the Middle and Upper Pleistocene loess-palaeosol sequence at Stari Slankamen (MARKOVVIC´ loess-paleosol sequence at Ruma brickyard, Vojvodina, Serbia. – et al., 2004, 2006, 2007). Quat. Int., 149, 80–86. MARKOVIC´ , S.B., OCHES, E.A., MCCOY, W.D., FRECHEN, M. & GAU- The loess section of Stari Slankamen is located in the DENYI, T. (2007): Malacological and sedimentological evidence for Vojvodina region in the north-eastern part of the Srem “warm” glacial climate from the Irig loess sequence, Vojvodina, Loess Plateau on the right bank of the Danube near by the Serbia. – Geoch., Geophys., Geosys., 8, H. 9. river mouth of the Tisza into the Danube. The profile expos- MILOJKOVIC´ , N., LUKIC´ , T., MACHALETT, B. & MARKOVIC´ , S.B. (2007): es an about 45 m thick series of seven loess layers inter- Highly resolved rubification indices recorded at the Stari Slanka- calated by eight pedocomplexes. men loess site (Vojvodina, Serbia). – Geophys. Res. Abstr., 9. During the fieldwork samples for luminescence dating SINGHVI, A.K., BRONGER, A., SAUER, W. & PANT, R.K. (1989): Ther- were taken at close intervals between the Holocene soil moluminescence dating of loess-paleosol sequences in the and the first weakly developed pedocomplex (4 samples), Carpathian basin (east-central Europe): a suggestion for a revised above the first strongly developed soil (3 samples) and chronology. – Chem. Geol., 73, 307–317. underneath this soil (3 samples). STENDER, J., MACHALETT, B., FRECHEN, M., LUKIC´ , T., MILOJKOVIC´ , N. & MARKOVIC´ , S.B. (2007): Stari Slankamen loess sequence (Vojvodina, Serbia) – Implications for past atmospheric circulation 3. Measurements patterns of Eurasia. – Proceedings of the 3rd Alexander von Hum- boldt International Conference on The East Asian Monsoon, past, Luminescence dating enables to estimate the age of the present and future, Beijing 2007. last daylight exposure of sediments (AITKEN, 1998). This dating technique has been significantly improved over Manuskript bei der Schriftleitung eingelangt am 6. Juni 2008 218.

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