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Applicability analysis of the electrical resistivity tomography (ERT) method for the diagnosis of laterite cover thickness
Języki publikacji
Abstrakty
The paper discusses the problem of determining the thickness of a laterite cover using electrical resistivity tomography (ERT) in a selected area of the Seram Island in Indonesia. Seram Island lies in the tropical zone between the Seram and Banda seas. The laterite covers are rich in nickel, cobalt, iron and other metals. Concentrations of these metals in the laterites are high enough to form economic deposits. A significant part of the report concerns the measurement technique (ERT method) in difficult climatic (high humidity and temperature) and topographic conditions (equatorial jungle with significant variations in elevation) and the methods of processing and interpretation of the acquired data. The problem seems very interesting, because geophysical prospecting is currently more and more often conducted in poorly accessible regions of the world. Additionally, there are no sufficient and commonly available publications that would allow us to get acquainted with local measurement problems by potential contractors of similar geophysical investigations. The primary result of the geophysical survey was to determine the electrical resistivity of bedrock and laterite. This was the basis for the development of sections of electrical resistive distribution for the ERT profiles, which enabled to estimate the depth to the crystalline basement and the laterite thickness. It also facilitated to produce a map of laterite thickness, which may be an important material to develop the concept of searching and mining of nickel and cobalt ore.
Czasopismo
Rocznik
Tom
Strony
245--253
Opis fizyczny
Bibliogr. 24 poz., rys., tab., wykr.
Twórcy
autor
- Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy, ul. Rakowiecka 4, 00-975,Warszawa
autor
- Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy, ul. Rakowiecka 4, 00-975,Warszawa
autor
- Przedsiębiorstwo Badań Geofizycznych Sp. z o.o., ul. Jagiellońska 76, 03-301 Warszawa
autor
- Wydział Geologii, Uniwersytet Warszawski, ul.Żwirki i Wigury 93, 02-089 Warszawa
Bibliografia
- 1. ABEM 2013 - Instruction Manual.
- 2. BADAN PUSAT STATISTIK (Centralne Biuro Statystyki) 2014 - Statistik Indonesia, statistical yearbook of Indonesia, Jakarta, ISBN 9770126291002.
- 3. BEAUVAIS A., RITZ M., PARISOT J.-C., BANTSIMB Ch. & DUKHAN M. 2004 - Combined ERT and GPR methods for investigating two-stepped lateritic weathering systems. Geoderma, 119: 121-132
- 4. BROWN C. 2003 - A Short History of Indonesia. Crows Nest, New South Wales: Allen & Unwin.
- 5. DAHLIN T. & ZHOU B. 2004 - A numerical comparison of 2D resistivity imaging with 10 electrode arrays, Geophys. Prospect., 52: 379-398.
- 6. DAHLIN T. & ZHOU B. 2006 - Multiple-gradient array measurements for multichannel 2D resistivity imaging. Near Surface Geophysics, 4(2): 113-123.
- 7. HAZELL J.R.T., CRATCHLEY C.R. & JONES C.R.C., 1992 - The hydrogeology of crystalline aquifers in northern Nigeria and geophysical techniques used in their exploration. In: Wright, E.P., BURGER, W.G. (Eds.), Hydrogeology of Crystalline Basement Aquifers in Africa. Geol. Soc. Spec. Publication, 66: 155-182.
- 8. HILL K.C. 2012 - Tectonic and Regional Structure of Seram and the Banda Arc. Berita Sedimentologi n. 23: 5-16.
- 9. KSIĄŻKIEWICZ M. 1968 - Geologia dynamiczna, Wydaw. Geol., Warszawa.
- 10. LINTHOUT K., HELMERS H., SOPAHELUWAKAN J. & SURYAN.E. 1989 - Metamorphic complexes in Buru and Seram, Northern Banda Arc. Netherlands Journal of Sea Research, 24 (2/3): 345-356.
- 11. LOKE M.H. & BARKER R.D., 1996 - Rapid least-squares inversion of apparent resistivity pseudosections by a quasi-Newton method. Geophys. Prospect., 44: 131-152.
- 12. LOKE M.H. 1996-2013 -Tutorial: 2-D and 3-D electrical imaging surveys.
- 13. LOKE M.H. 2013 - Optimisation of electrode arrays used in 2D resistivity imaging surveys.
- 14. MARSH E.E. & ANDERSON E.D. 2011 - Ni-Co laterite deposits. U.S. Geological Survey Open-File Report 2011: 1259-1268.
- 15. MIESZKOWSKI R., KOWALCZYK S. & TUCHOŁKA P. 2011 - Określenie miąższości zwietrzeliny laterytowej oraz głębokości występowania wód gruntowych w Kibeho (Rwanda) za pomocą pionowych sondowań elektrooporowych. Biul. Państw. Inst. Geol., 446: 207-214.
- 16. MONNIER Ch., GIRARDEAU J., PERMANA H., REHAULT J., BELLON H. & COTTEN J. 2003 - Dynamic and age of formation of the Seram-Ambon ophiolites (Central Indonesia). Bull. Soc. Geol. Fr., 174 (6): 529-543.
- 17. MOŚCICKI W.J. & ANTONIUK J. 1999 - Metoda obrazowania elektrooporowego (resistivity imaging). Przykład badań dla celów geologiczno-inżynierskich, Mat. V Konferencji Nauk. Tech. Geofizyka w geologii, górnictwie i ochronie środowiska, Kraków, 315-325.
- 18. NAHON D.B. 1991 - Introduction to the Petrology of Soils and Chemical Weathering. Wiley, New York.
- 19. PALACKY G.J. & KADEKARU K. 1979 - Effect of tropical weathering on electrical and electromagnetic measurements. Geophysics, 44: 69-88.
- 20. Res2DINV Manual 2003 - GEOTOMO Sofware, 5 CangkatMidenLoroung 6, Miden Heights, 11700 Gelugor, Penang, Malaysia (www.geoeletrical.com).
- 21. SAMOUELIAN A., COUSIN I., TABBAGH A., BRUAND A. & RICHARD G. 2005 - Electrical resistivity survey in soil science: a review, Elsevier, Soil & Tillage Research, 83: 173-193.
- 22. SASAKI Y. 1992 - Resolution of resistivity tomography inferred from numerical simulation. Geophys. Prospec., 40: 453-464.
- 23. THOMAS M.F. 1994 - Geomorphology in the tropics. A study of weathering and denudation in low latitudes. Wiley, New York.
- 24. ZHDANOV M.S. & KELLER G.V. 1994 - The geoelectrical methods in geophysical exploration. Elseiver, Amsterdam.
Uwagi
Blok artykułów związanych z II Ogólnopolskim Sympozjum Geointerdyscyplinarnych Metod Badawczych, 7–8 kwietnia 2016. Warszawa.
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-f9bbcd7d-6049-4afb-bd4e-e13ed7d89a2c