Continental lithosphere is a highly organised physical medium which ca
n be investigated by seismic methods to obtain objective information,
The use of fractal representation offers new possibilities to determin
e quantitative parameters of the structural arrangement of the lithosp
here and to compare tectonic structures composed of a similar set of '
'participants'' i.e. structural complexes with a relatively homogeneou
s range of rocks. Fractals as a universal property of continental crus
t are shown to be an important tool for a comparative study of geologi
cal and seismic sections on a quantitative basis, and also in reassess
ing many of the previous interpretations of seismic and geological str
uctures.