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Use of the Hilbert transform to interpret self-potential anomalies due to two-dimensional inclined sheets

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Abstract

Self-potential anomalies due to two-dimensional inclined sheet of finite depth extent are analysed from their horizontal and vertical derivatives via the Hilbert transform. The depths to the top and bottom of the sheet and the inclination are obtained by means of simple mathematical expressions. The method is applied to a theoretical example and to a field S.P. anomaly over a sulphide deposit in the Kalava fault zone of Cuddapah basin, India. The presence of random noise is analysed for various levels and its effect is discussed. This interpretation process can be automated for all practical purposes by simple programming.

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Authors and Affiliations

  1. Centre of Exploration Geophysics, Osmania University, 500 007, Hyderabad, India

    N. Sundararajan, I. Arun Kumar, N. L. Mohan & S. V. Seshagiri Rao

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  1. N. Sundararajan
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  2. I. Arun Kumar
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  3. N. L. Mohan
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  4. S. V. Seshagiri Rao
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Sundararajan, N., Kumar, I.A., Mohan, N.L. et al. Use of the Hilbert transform to interpret self-potential anomalies due to two-dimensional inclined sheets. PAGEOPH 133, 117–126 (1990). https://doi.org/10.1007/BF00876706

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  • DOI: https://doi.org/10.1007/BF00876706

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