Detection of superparamagnetic particles in soils developed on basalts using frequency- and amplitude-dependent magnetic susceptibility

Hana Grison, Academy of Sciences of the Czech Republic, Institute of Geophysics, Prague, Czech Republic, Eduard Petrovsky, Academy of Sciences of the Czech Republic, Prague, Czech Republic and Ales Kapicka, Institute of Geophysics ACSR, Prague 4, 141, Czech Republic