Affiliation: | Chair of Geophysics, Department for Geosciences and Geophysics, University of Leoben, Peter Tunner Str. 25, 8700;Leoben, Austria. E-mail: Chair of Geophysics, Department for Geosciences and Geophysics, University of Leoben, Palaeomagnetic Laboratory, Gams 45, 8130;Frohnleiten, Austria. E-mail: |