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Author : Donald J. Marshall
Publisher : Unknown
Page : 84 pages
File Size : 47,5 Mb
Release : 1957
Category : Electric prospecting
ISBN : UOM:39015095037910
Author : J.S. Sumner
Publisher : Elsevier
Page : 292 pages
File Size : 53,5 Mb
Release : 2012-12-02
Category : Technology & Engineering
ISBN : 9780444599872
Developments in Economic Geology, 5: Principles of Induced Polarization for Geophysical Exploration focuses on the principles, methodologies, and approaches involved in induced polarization (IP), including anisotropism, electromagnetic coupling, and electrical circuits. The book first takes a look at resistivity principles, theory of IP, and laboratory work in IP. Concerns cover electrical measurements of rocks, anisotropism, early part of decay curve and the comparison with frequency effects, electrical models of induced polarization, electrical polarization, resistivities of earth materials, and resistivity exploration methods. The manuscript then elaborates on IP field equipment, telluric noise and electromagnetic coupling, IP field surveying, and drill-hole and underground surveying and the negative IP effect. Discussions focus on differences between surface and subsurface methods, current-sending system in the field, telluric (earth) currents, electromagnetic coupling, design considerations, coupling of electrical circuits, design considerations, and signal-generating system. The manuscript ponders on the complex-resistivity method and interpretation of induced-polarization data, including grade estimation of mineralization using the IP method, complex-resistivity survey, signal detection capabilities of the complex-resistivity method, and disadvantages of the complex-resistivity method. The text is a valuable source of information for researchers wanting to study induced polarization.
Author : Theodore Richard Madden,Donald J. Marshall
Publisher : Unknown
Page : 84 pages
File Size : 46,8 Mb
Release : 1959
Category : Formations (Geology)
ISBN : UOM:39015095038470
Author : Stephen W. Wheatcraft,Kendrick C. Taylor,John G. Haggard
Publisher : Unknown
Page : 232 pages
File Size : 45,8 Mb
Release : 1984
Category : Electric resistance
ISBN : UCR:31210022261034
Author : Anonim
Publisher : Unknown
Page : 796 pages
File Size : 54,5 Mb
Release : 1965
Category : Geology
ISBN : UCAL:B3415245
Author : Geological Survey (U.S.)
Publisher : Unknown
Page : 796 pages
File Size : 50,6 Mb
Release : 1965
Category : Geology
ISBN : UOM:39015021082204
1785/1918 includes material issued previously in the annual Bibliography of North America geology, and in cumulative volumes issued by N. H. Darton and F. B. Weeks. 1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.
Author : James B. Fink
Publisher : Unknown
Page : 432 pages
File Size : 50,9 Mb
Release : 1990
Category : Induced polarization
ISBN : UOM:39015017903918
Author : Anonim
Publisher : Unknown
Page : 796 pages
File Size : 55,6 Mb
Release : 1965
Category : Geology
ISBN : MINN:31951000873827K
1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.
Author : Yanzhang Luo,Guiqing Zhang
Publisher : SEG Books
Page : 204 pages
File Size : 40,9 Mb
Release : 1998
Category : Science
ISBN : 9781560800484
The authors review spectral induced polarization theory and describe some of the SIP method's applications through a discussion of their research in the People's Republic of China. In the first of four chapters, they discuss the electrochemical basis of SIP, offering proof of the validity of using the Cole-Cole model for describing complex resistivity spectra. In the next chapter, which addresses the SIP forward problem, they describe the scale-modeling laws for SIP, various forward algorithms, the behavior and variation laws of SIP anomalies, and effective SIP parameters. The third chapter discusses SIP inversion methods, including several methods of calculating the intrinsic spectral parameters of a polarizable body. In the final chapter, the authors describe their field tests applying the SIP method to prospecting for orebodies and oil and gas reservoirs. The material is introduced in part through a reprinting of a 1959 paper by Volume Editor James R. Wait titled 'The Variable Frequency Method."
Author : Michael S. Zhdanov
Publisher : Elsevier
Page : 804 pages
File Size : 47,9 Mb
Release : 2017-10-27
Category : Science
ISBN : 9780444638915
Foundations of Geophysical Electromagnetic Theory and Methods, Second Edition, builds on the strength of the first edition to offer a systematic exposition of geophysical electromagnetic theory and methods. This new edition highlights progress made over the last decade, with a special focus on recent advances in marine and airborne electromagnetic methods. Also included are recent case histories on practical applications in tectonic studies, mineral exploration, environmental studies and off-shore hydrocarbon exploration. The book is ideal for geoscientists working in all areas of geophysics, including exploration geophysics and applied physics, as well as graduate students and researchers working in the field of electromagnetic theory and methods. Presents theoretical and methodological foundations of geophysical field theory Synthesizes fundamental theory and the most recent achievements of electromagnetic (EM) geophysical methods in the framework of a unified systematic exposition Offers a unique breadth and completeness in providing a general picture of the current state-of-the-art in EM geophysical technology Discusses practical aspects of EM exploration for mineral and energy resources
Author : United States. Superintendent of Documents
Publisher : Unknown
Page : 1714 pages
File Size : 42,5 Mb
Release : 1959
Category : Government publications
ISBN : UCR:31210023919036
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.
Author : J. Bertin,J. Loeb
Publisher : Unknown
Page : 112 pages
File Size : 55,6 Mb
Release : 1976
Category : Electric prospecting
ISBN : STANFORD:36105006178573
Author : John S. Sumner
Publisher : Unknown
Page : 0 pages
File Size : 49,9 Mb
Release : 1976
Category : Geophysics
ISBN : OCLC:1141060280
Author : Jishan He
Publisher : Elsevier
Page : 448 pages
File Size : 52,9 Mb
Release : 2023-11-24
Category : Science
ISBN : 9780443221378
Dual Frequency Induced Polarization Method: An Effective Approach for Mineral Exploration provides the first English-language text on the successful but little-known dual frequency induced polarization method. Engineers and technicians in geophysical exploration will appreciate learning about this enhanced method in sections that comprehensively explain the basic principle, method, technology and application of the dual frequency induced polarization method. Chapters cover the mathematical basis, observation parameters, instrument principle, application essentials, field work methods, technology, interference factors and their overcoming methods, ore prospecting and engineering application examples, and more. In particular, the needs of frontline engineering and technical personnel are addressed in chapters specifically related to field work. Researchers, engineers and technicians working in geophysical exploration will discover a thorough and detailed description of all aspects of the dual frequency induced polarization method. Comprehensively discusses the basic principle, method, technology and application effect of dual frequency IP method Covers field work methods, techniques, interference factors and overcoming methods, ore prospecting, and engineering application examples, etc. Considers the needs of front-line engineering and technical personnel
Author : Michael S Zhdanov
Publisher : Elsevier
Page : 869 pages
File Size : 55,5 Mb
Release : 2009-06-12
Category : Science
ISBN : 9780080931760
In this book the author presents the state-of-the-art electromagnetic (EM)theories and methods employed in EM geophysical exploration.The book brings together the fundamental theory of EM fields and the practicalaspects of EM exploration for mineral and energy resources.This text is unique in its breadth and completeness in providing anoverview of EM geophysical exploration technology. The book is divided into four parts covering the foundations of EMfield theory and its applications, and emerging geophysical methods.Part I is an introduction to the field theory required for baselineunderstanding. Part II is an overview of all the basic elements ofgeophysical EM theory, from Maxwell's fundamental equations to modernmethods of modeling the EM field in complex 3-D geoelectrical formations. Part III deals with the regularized solution of ill-posedinverse electromagnetic problems, the multidimensional migration and imaging ofelectromagnetic data, and general interpretation techniques. Part IV describes major geophysical electromagnetic methods—direct current (DC), induced polarization (IP), magnetotelluric(MT), and controlled-source electromagnetic (CSEM) methods—and covers different applications of EM methods in exploration geophysics, includingminerals and HC exploration, environmental study, and crustal study. Presents theoretical and methodological findings, as well as examples of applications of recently developed algorithms and software in solving practical problems Describes the practical importance of electromagnetic data through enabling discussions on a construction of a closed technological cycle, processing, analysis and three-dimensional interpretation Updates current findings in the field, especially with MT, magnetovariational and seismo-electrical methods and the practice of 3D interpretations