Institution: | (1) Department of Earth Sciences, University of Zaragoza, c/ P. Cerbuna 12, 50009 Zaragoza, Spain;(2) Paleomagnetic Laboratory, Institute of Earth Sciences Jaume Almera, CSIC, Solé i Sabarís s/n, Barcelona, 28080, Spain;(3) Present address: Paleomagnetic Laboratory, Institut of Geophysics, Montanuniversität Leoben, Gams 45, A-8130, Austria |