“…The ESR dating method has been commonly used in geological or archeological chronology, paleoclimatology, and palaeogeography for the Quaternary period (Ikeya, 1978a(Ikeya, ,b, 2001Yokoyama et al, 1983;Grün, 1985;Grün et al, 1988;Arakawa and Hori, 1989;Ulusoy, 2000;Ikeya, 2001;Muhammad et al, 2002;Ulusoy, 2002Ulusoy, , 2003Ulusoy, , 2004aBlackwell, 2006) since a speleothem from Akiyoshi Cave in Japan was first dated by this method by Ikeya (1975). The method detects paramagnetic defects which are created in crystal structure by natural ionizing radiation (i.e.…”