Well done Walter! Patrice Dr P. F. Rey Earthbyte Research Group / www.earthbyte.org Structural Geology, Tectonics, Geodynamics The School of Geosciences The University of Sydney Sydney NSW 2006 Tel: +61 2 9351 2067 Fx: +61 2 9351 0184 URL: http://www.geosci.usyd.edu.au/users/prey