2013
The present study deals with the total magnetic field anomaly data that can be interpreted to compute the depth and horizontal location and geometry of causative magnetized sources using enhanced local wavenumber (ELW) method. Enhanced local wave number is based on the use of the traditional local wave number field and it`s phase-rotated version, the rotated version, the vertical local-wave number field. These combinations allow us to determine the horizontal location and depth of two dimensional magnetic bodies. Using the estimated source location parameter, a value for structural index, characterizing the source geometry is determined using the relation between structural index and Enhanced local wave number. Therefore, the source geometry is estimated by computing the structural index from previously estimated depth and horizontal location. The ELW method has been applied to the total magnetic field anomaly over a part of East Basuria region,Jharia coalfield,India.The results simplifies the presence of faulted basement which have finite vertical offset.
Local wave number, source geometry, structural index, magnetic interpretation