Effects of transverse electric anisotropy on self-potential anomalies |
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| Affiliation: | 1. Department of Geophysical Engineering, Faculty of Civil, Environmental and Geo Engineering, Institut Teknologi Sepuluh Nopember, Surabaya 60111, Indonesia;2. Department of Environmental Engineering, Faculty of Science and Technology, State Islamic University of Ar-Raniry, Banda Aceh 23111, Indonesia;3. Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia;4. Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Gorontalo, Gorontalo 96128, Indonesia;5. Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Lambung Mangkurat, Banjarmasin 70124, Indonesia;6. Department of Physics Education, Faculty of Education and Teacher Training, State Islamic University of Ar-Raniry, Banda Aceh 23111, Indonesia;1. Department of Mining Engineering, College of Engineering, University of Tehran, Iran;2. Institute of Geophysics, University of Tehran, Iran;1. Active Tectonics Research Center, Korea Institute of Geoscience and Mineral Resources, Daejeon 34132, Republic of Korea;4. Department of Geology, Kangwon National University, Chuncheon 24341, Republic of Korea;5. Major of Environmental Geosciences, Pukyong National University, Busan 48513, Republic of Korea;6. Université de Paris Cité, Institut de physique du globe de Paris, CNRS, Paris, France;1. Department of Earth Sciences and Environment, Prince El-Hassan bin Talal Faculty for Natural Resources and Environment, The Hashemite University, Zarqa 13133, Jordan;2. Department of Geophysical Sciences, National Research Center, Egypt;3. Department of Applied Earth and Environmental Sciences, Faculty of Earth and Environmental Sciences, Al al-Bayt University, Mafraq 25113, Jordan |
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| Abstract: | In the present paper is studied the influence of transverse ground anisotropy on the formation of self-potential (SP) anomalies produced by polarized bodies. It is concluded that SP anomalies produced by vertical dipoles of infinite length are displaced in the opposite direction of the dip angle of anisotropy. The equipotential lines are generally ellipses. SP anomalies produced by a vertical dipole of finite length are also displaced, have a negative and a positive centre and present the characteristics of an SP field produced by an inclined dipole in a homogeneous and isotropic ground. In both models, significant errors in the quantitative interpretation of SP anomalies may result from not taking ground anisotropy into account. |
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