Preliminary results of the latitudinal and time dependence of paleosecular variation dispersion parameter during the Kiaman Superchron (318-262 MA):: an inter-hemispheric approach - Franco, Daniel Ribeiro; Zhao, Xixi; Ponte, Cosme; Assumpção, Kenion da Silva; Ernesto, Márcia; Brandt, Daniele; Freitas, Rafael Tavares; Alfradique, Viviane Angélico Pereira (American Geophysical Union Annual Fall Meeting, 2013)