To characterize the recent tectono-sedimentary history of the contractional feature named ``Marques
de Pombal`` Thrust, we have distinguished two main physiographic provinces: (a) the basin floor
and (b) the fault scarpment and slope.
Figure 11:
BS98. CHIRP LINE BS33, with interpretation.
![\includegraphics[width=\textwidth]{IMG/BS33_CHIRP.eps}](img17.png)