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Modeling and Inversion of the Spectral Induced Polarization Effect in Airborne EM Data Based on the GEMTIP ModelNormal access

Authors: M. Zhdanov, L. Cox and M. Endo
Event name: First European Airborne Electromagnetics Conference
Session: Airborne EM
Publication date: 06 September 2015
DOI: 10.3997/2214-4609.201413886
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 625.15Kb )
Price: € 20

Summary:
We have demonstrated that the induced polarization effect in the airborne electromagnetic (AEM) data can be represented well using the generalized effective-medium theory of induced polarization (GEMTIP) model. We have also developed a novel method for 3D inversion of the airborne spectral induced polarization (SIP) data into the volume distribution of the parameters of the GEMTIP model. The results show that the SIP effect can be observed by a typical AEM system. The AEM data collected by the standard systems can be used not only for producing resistivity models of the subsurface formations, but for recovering the chargeability and other GEMTIP model parameters which can be subsequently used for mineral exploration and possibly mineral discrimination.


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