A LATE WEICHSELIAN GEOMAGNETIC RECORD FROM LAKE TAMULA, SE ESTONIA

A Late Weichselian palaeomagnetic record has been obtained from sedime nts deposited in Lake Tamula in SE Estonia, and detailed mineral magne tic studies have been undertaken to identify the carriers of remanence . The palaeomagnetic record can be compared to records from southern S weden and Karelia in NW Russia. A westerly declination swing in the Sw edish and Russian records, between 13,300 and 12,100 calender years BP is also found in the Lake Tamula sediments. Based on a floating varve chronology in the varved clay unit the deglaciation can be dated to 1 4,400 calender years or 12,600 radiocarbon years BP. The palaeomagneti c evidence supports the presently accepted deglaciation chronology of southeastern Estonia, which is based on radiocarbon dates of the Haanj a and Otepaa ice-marginal stages.