Magnetotelluric (MT) and Geomagnetic Deep Sounding (GDS) datasets, of the Parnaíba Basin, used for data inversion in ModEM. The 3-D resistivity model (Parana3D_res__NLCG_077.rho) and impedance tensors derived by forward calculation (Parana3D_fwZ_NLCG_077.dat) using the included datasets.