| Abstract: | The telluric method of geophysical investigation is re-evaluated and several improvements are suggested. Besides the traditional Jacobian, several new parameters that bear information on the structure under investigation are proposed as sounding tools. These parameters are calculated for several two-dimensional models and plotted as pseudo-sections. The model results, calculated over a wide frequency band (10-4-10-2 Hz) suggest that these new parameters can give very detailed information about the subsurface structures. By way of example, we present experimental results obtained along two profiles across familiar structures. The interpretation of the results leads to two-dimensional models of the subsurface that are in good agreement with known geophysical and geological features of these two sections. |
