The figures below shows examples of historical cases using the programs JELT4 and VLFRES.

RESISTIVITY MODELLING
(by least squares minimum)


 

 
  

0                          100m 

PSEUDO-TOMOGRAPHY
(200.000 l/h)
LIMESTONE



0                       100m  

PSEUDO-TOMOGRAPHY
(280.000 l/h)
LIMESTONE





GRANITES (30.000 l/h)

  0                                  110m


PSEUDO-TOMOGRAPHY SHOWING ZONES 
OF FRACTURES IN GRANITES 




        

      PSEUDO-TOMOGRAPHY
    (12.000 l/h)
    GRANITE








Example of VLF survey and interpretation using the program VLFCDI.
 

                          

          PSEUDO-TOMOGRAPHY - FRACTURE ZONES OF QUARTZITE