Border Cave revisited: a revised ESR chronology

In view of a decade of progress in ESR dating we have revised the ESR chron ology of Border Cave. A detailed gamma ray survey in 1994 and newly calcula ted beta attenuation data led to total dose rate estimations that are betwe en 0 and 30% smaller than previously estimated. Accordingly, the resulting ESR age estimates are between 0 and 30% older. The ESR dates are now in goo d agreement with independent age estimates, particularly C-14 and amino aci d racemization. New ESR dates for the lowermost dated sedimentary layer, 5 WA (white ash), indicate that the sedimentation of the sequence started aro und 200 ka ago. (C) 2001 Academic Press.