Geophysics for the mineral exploration geoscientist / (Record no. 48740)

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005 - DATE AND TIME OF LATEST TRANSACTION
control field 20221020160808.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 140109s2014 enka 000 0 eng c
010 ## - LIBRARY OF CONGRESS CONTROL NUMBER
LC control number 2013034215
020 ## - INTERNATIONAL STANDARD BOOK NUMBER
International Standard Book Number 9780521809511 (hardback)
020 ## - INTERNATIONAL STANDARD BOOK NUMBER
International Standard Book Number 0521809517 (hardback)
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Original cataloging agency PSt/DLC
Language of cataloging eng
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041 ## - LANGUAGE CODE
Language code of text/sound track or separate title eng
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Authentication code pcc
050 00 - LIBRARY OF CONGRESS CALL NUMBER
Classification number QC807
Item number .D46 2014
082 00 - DEWEY DECIMAL CLASSIFICATION NUMBER
Classification number 550
Edition number 23
100 1# - MAIN ENTRY--PERSONAL NAME
Preferred name for the person Dentith, M. C.
Fuller form of name (Michael C.)
245 10 - TITLE STATEMENT
Title Geophysics for the mineral exploration geoscientist /
Statement of responsibility, etc Michael Dentith, The University of Western Australia, Perth, Stephen T. Mudge, Vector Reserach Pty Ltd, Perth.
264 #1 - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)
Place of publication, distribution, etc Cambridge, United Kingdom :
Name of publisher, distributor, etc Cambridge University Press,
Date of publication, distribution, etc 2014.
300 ## - PHYSICAL DESCRIPTION
Extent xvii, 438 pages :
Other physical details color illustrations ;
Dimensions 28 cm
336 ## - CONTENT TYPE
Content type term text
Content type code txt
Source rdacontent
337 ## - MEDIA TYPE
Media type term unmediated
Media type code n
Source rdamedia
338 ## - CARRIER TYPE
Carrier type term volume
Carrier type code nc
Source rdacarrier
504 ## - BIBLIOGRAPHY, ETC. NOTE
Bibliography, etc Includes bibliographical references and index.
505 ## - CONTENTS
Formatted contents note CONTENTS<br/>List of online appendices ix<br/>List of figure credits xi<br/>Preface xv<br/>Acknowledgements xvi<br/>1<br/>Introduction<br/>1<br/>1.1<br/>Physical versus chemical characterisation of the<br/>geological environment<br/>2<br/>1.2<br/>Geophysical methods in exploration and mining<br/>3<br/>1.2.1<br/>Airborne, ground and in-ground surveys<br/>3<br/>1.2.2<br/>Geophysical methods and mineral deposits<br/>4<br/>1.2.3<br/>The cost of geophysics<br/>5<br/>1.3<br/>About this book<br/>6<br/>Further reading 11<br/>2<br/>Geophysical data acquisition, processing<br/>and interpretation<br/>13<br/>2.1<br/>Introduction<br/>13<br/>2.2<br/>Types of geophysical measurement<br/>14<br/>2.2.1<br/>Absolute and relative measurements<br/>14<br/>2.2.2<br/>Scalars and vectors<br/>15<br/>2.2.3<br/>Gradients<br/>15<br/>2.3<br/>The nature of geophysical responses<br/>16<br/>2.4<br/>Signal and noise<br/>17<br/>2.4.1<br/>Environmental noise<br/>18<br/>2.4.2<br/>Methodological noise<br/>22<br/>2.5<br/>Survey objectives<br/>23<br/>2.5.1<br/>Geological mapping<br/>23<br/>2.5.2<br/>Anomaly detection<br/>24<br/>2.5.3<br/>Anomaly de<br/>fi<br/>nition<br/>25<br/>2.6<br/>Data acquisition<br/>25<br/>2.6.1<br/>Sampling and aliasing<br/>25<br/>2.6.2<br/>System footprint<br/>27<br/>2.6.3<br/>Survey design<br/>27<br/>2.6.4<br/>Feature detection<br/>31<br/>2.7<br/>Data processing<br/>32<br/>2.7.1<br/>Reduction of data<br/>32<br/>2.7.2<br/>Interpolation of data<br/>34<br/>2.7.3<br/>Merging of datasets<br/>38<br/>2.7.4<br/>Enhancement of data<br/>38<br/>2.8<br/>Data display<br/>48<br/>2.8.1<br/>Types of data presentation<br/>48<br/>2.8.2<br/>Image processing<br/>51<br/>2.9<br/>Data interpretation<br/>?<br/>general<br/>58<br/>2.9.1<br/>Interpretation fundamentals<br/>59<br/>2.9.2<br/>Removing the regional response<br/>60<br/>2.10<br/>Data interpretation<br/>?<br/>qualitative analysis<br/>63<br/>2.10.1<br/>Spatial analysis of 2D data<br/>63<br/>2.10.2<br/>Geophysical image to geological map<br/>67<br/>2.11<br/>Data interpretation<br/>?<br/>quantitative analysis<br/>70<br/>2.11.1<br/>Geophysical models of the subsurface<br/>70<br/>2.11.2<br/>Forward and inverse modelling<br/>74<br/>2.11.3<br/>Modelling strategy<br/>78<br/>2.11.4<br/>Non-uniqueness<br/>79<br/>Summary 81<br/>Review questions 82<br/>Further reading 82<br/>3<br/>Gravity and magnetic methods<br/>85<br/>3.1<br/>Introduction<br/>85<br/>3.2<br/>Gravity and magnetic<br/>fi<br/>elds<br/>86<br/>3.2.1<br/>Mass and gravity<br/>87<br/>3.2.2<br/>Gravity anomalies<br/>88<br/>3.2.3<br/>Magnetism and magnetic<br/>fi<br/>elds<br/>89<br/>3.2.4<br/>Magnetic anomalies<br/>93<br/>3.3<br/>Measurement of the Earth<br/>?<br/>s gravity<br/>fi<br/>eld<br/>94<br/>3.3.1<br/>Measuring relative gravity<br/>96<br/>3.3.2<br/>Measuring gravity gradients<br/>98<br/>3.3.3<br/>Gravity survey practice<br/>98<br/>3.4<br/>Reduction of gravity data<br/>99<br/>3.4.1<br/>Velocity effect<br/>99<br/>3.4.2<br/>Tidal effect<br/>99<br/>3.4.3<br/>Instrument drift<br/>100<br/>3.4.4<br/>Variations in gravity due to the Earth<br/>?<br/>s<br/>rotation and shape<br/>100<br/>3.4.5<br/>Variations in gravity due to height and<br/>topography<br/>102<br/>3.4.6<br/>Summary of gravity data reduction<br/>106<br/>3.4.7<br/>Example of the reduction of ground gravity data<br/>106<br/><br/>3.5 Measurement of the Earth?s magnetic<br/>fi<br/>eld<br/>106<br/>3.5.1<br/>The geomagnetic<br/>fi<br/>eld<br/>109<br/>3.5.2<br/>Measuring magnetic<br/>fi<br/>eld strength<br/>112<br/>3.5.3<br/>Magnetic survey practice<br/>114<br/>3.6<br/>Reduction of magnetic data<br/>116<br/>3.6.1<br/>Temporal variations in<br/>fi<br/>eld strength<br/>116<br/>3.6.2<br/>Regional variations in<br/>fi<br/>eld strength<br/>117<br/>3.6.3<br/>Terrain clearance effects<br/>117<br/>3.6.4<br/>Levelling<br/>117<br/>3.6.5<br/>Example of the reduction of<br/>aeromagnetic data<br/>117<br/>3.7<br/>Enhancement and display of gravity and<br/>magnetic data<br/>118<br/>3.7.1<br/>Choice of enhancements<br/>122<br/>3.7.2<br/>Reduction-to-pole and pseudogravity<br/>transforms<br/>123<br/>3.7.3<br/>Wavelength<br/>fi<br/>lters<br/>124<br/>3.7.4<br/>Gradients/derivatives<br/>125<br/>3.8<br/>Density in the geological environment<br/>127<br/>3.8.1<br/>Densities of low-porosity rocks<br/>127<br/>3.8.2<br/>Densities of porous rocks<br/>129<br/>3.8.3<br/>Density and lithology<br/>130<br/>3.8.4<br/>Changes in density due to metamorphism<br/>and alteration<br/>131<br/>3.8.5<br/>Density of the near-surface<br/>133<br/>3.8.6<br/>Density of mineralised environments<br/>133<br/>3.8.7<br/>Measuring density<br/>134<br/>3.8.8<br/>Analysis of density data<br/>134<br/>3.9<br/>Magnetism in the geological environment<br/>135<br/>3.9.1<br/>Magnetic properties of minerals<br/>136<br/>3.9.2<br/>Magnetic properties of rocks<br/>138<br/>3.9.3<br/>Magnetism of igneous rocks<br/>140<br/>3.9.4<br/>Magnetism of sedimentary rocks<br/>144<br/>3.9.5<br/>Magnetism of metamorphosed and<br/>altered rocks<br/>145<br/>3.9.6<br/>Magnetism of the near-surface<br/>151<br/>3.9.7<br/>Magnetism of mineralised environments<br/>151<br/>3.9.8<br/>Magnetic property measurements and their<br/>analysis<br/>155<br/>3.9.9<br/>Correlations between density and magnetism<br/>159<br/>3.10<br/>Interpretation of gravity and magnetic data<br/>160<br/>3.10.1<br/>Gravity and magnetic anomalies and their<br/>sources<br/>160<br/>3.10.2<br/>Analysis of gravity and magnetic maps<br/>163<br/>3.10.3<br/>Interpretation pitfalls<br/>164<br/>3.10.4<br/>Estimating depth-to-source<br/>165<br/>3.10.5<br/>Modelling source geometry<br/>167<br/>3.10.6<br/>Modelling pitfalls<br/>167<br/>3.11<br/>Examples of gravity and magnetic data from<br/>mineralised terrains<br/>169<br/>3.11.1<br/>Regional removal and gravity mapping of<br/>palaeochannels hosting placer gold<br/>169<br/>3.11.2<br/>Modelling the magnetic response associated<br/>with the Wallaby gold deposit<br/>172<br/>3.11.3<br/>Magnetic responses from an Archaean granitoid<br/>?<br/>greenstone terrain: Kirkland Lake area<br/>173<br/>3.11.4<br/>Magnetic responses in a Phanerozoic Orogenic<br/>terrain: Lachlan Foldbelt<br/>179<br/>3.11.5<br/>Magnetic and gravity responses from<br/>mineralised environments<br/>186<br/>Summary 188<br/>Review questions 190<br/>Further reading 190<br/>4<br/>Radiometric method<br/>193<br/>4.1<br/>Introduction<br/>193<br/>4.2<br/>Radioactivity<br/>194<br/>4.2.1<br/>Radioactive decay<br/>194<br/>4.2.2<br/>Half-life and equilibrium<br/>195<br/>4.2.3<br/>Interaction of radiation and matter<br/>196<br/>4.2.4<br/>Measurement units<br/>197<br/>4.2.5<br/>Sources of radioactivity in the natural<br/>environment<br/>198<br/>4.3<br/>Measurement of radioactivity in the<br/>fi<br/>eld<br/>199<br/>4.3.1<br/>Statistical noise<br/>199<br/>4.3.2<br/>Radiation detectors<br/>201<br/>4.3.3<br/>Survey practice<br/>204<br/>4.4<br/>Reduction of radiometric data<br/>205<br/>4.4.1<br/>Instrument effects<br/>205<br/>4.4.2<br/>Random noise<br/>206<br/>4.4.3<br/>Background radiation<br/>207<br/>4.4.4<br/>Atmospheric radon<br/>207<br/>4.4.5<br/>Channel interaction<br/>208<br/>4.4.6<br/>Height attenuation<br/>208<br/>4.4.7<br/>Analytical calibration<br/>208<br/>4.5<br/>Enhancement and display of radiometric data<br/>209<br/>4.5.1<br/>Single-channel displays<br/>209<br/>4.5.2<br/>Multichannel ternary displays<br/>209<br/>4.5.3<br/>Channel ratios<br/>210<br/>4.5.4<br/>Multivariant methods<br/>210<br/>4.6<br/>Radioelements in the geological environment<br/>210<br/>4.6.1<br/>Disequilibrium in the geological environment<br/>212<br/>4.6.2<br/>Potassium, uranium and thorium in<br/>igneous rocks<br/>216<br/>4.6.3<br/>Potassium, uranium and thorium in altered<br/>and metamorphosed rocks<br/>216<br/>4.6.4<br/>Potassium, uranium and thorium in<br/>sedimentary rocks<br/>217<br/>4.6.5<br/>Sur<br/>fi<br/>cial processes and K, U and Th in the<br/>overburden<br/>217<br/>4.6.6<br/>Potassium, uranium and thorium in<br/>mineralised environments<br/>219<br/>4.7<br/>Interpretation of radiometric data<br/>220<br/>4.7.1<br/>Interpretation procedure<br/>222<br/>4.7.2<br/>Interpretation pitfalls<br/>222<br/>4.7.3<br/>Responses of mineralised environments<br/>223<br/>4.7.4<br/>Example of geological mapping in a fold and<br/>thrust belt: Flinders Ranges<br/>227<br/>4.7.5<br/>Interpretation of<br/>γ<br/>-logs<br/>229<br/><br/>Summary 232<br/>Review questions 232<br/>Further reading 233<br/>5<br/>Electrical and electromagnetic methods<br/>235<br/>5.1<br/>Introduction<br/>235<br/>5.2<br/>Electricity and magnetism<br/>237<br/>5.2.1<br/>Fundamentals of electricity<br/>237<br/>5.2.2<br/>Fundamentals of electromagnetism<br/>243<br/>5.2.3<br/>Electromagnetic waves<br/>246<br/>5.3<br/>Electrical properties of the natural environment<br/>247<br/>5.3.1<br/>Conductivity/resistivity<br/>247<br/>5.3.2<br/>Polarisation<br/>253<br/>5.3.3<br/>Dielectric properties<br/>255<br/>5.3.4<br/>Properties of the near-surface<br/>255<br/>5.4<br/>Measurement of electrical and electromagnetic<br/>phenomena<br/>257<br/>5.4.1<br/>Electrodes<br/>258<br/>5.4.2<br/>Electrical and electromagnetic noise<br/>258<br/>5.5<br/>Self-potential method<br/>260<br/>5.5.1<br/>Sources of natural electrical potentials<br/>260<br/>5.5.2<br/>Measurement of self-potential<br/>262<br/>5.5.3<br/>Display and interpretation of SP data<br/>263<br/>5.5.4<br/>Examples of SP data from mineral deposits<br/>265<br/>5.6<br/>Resistivity and induced polarisation methods<br/>266<br/>5.6.1<br/>Electric<br/>fi<br/>elds and currents in the subsurface<br/>268<br/>5.6.2<br/>Resistivity<br/>269<br/>5.6.3<br/>Induced polarisation<br/>271<br/>5.6.4<br/>Measurement of resistivity/IP<br/>273<br/>5.6.5<br/>Resistivity/IP survey practice<br/>275<br/>5.6.6<br/>Display, interpretation and examples of<br/>resistivity/IP data<br/>278<br/>5.6.7<br/>Interpretation pitfalls<br/>289<br/>5.6.8<br/>Resistivity/IP logging<br/>293<br/>5.6.9<br/>Applied potential/mise-à-la-masse method<br/>294<br/>5.7<br/>Electromagnetic methods<br/>299<br/>5.7.1<br/>Principles of electromagnetic surveying<br/>299<br/>5.7.2<br/>Subsurface conductivity and EM responses<br/>306<br/>5.7.3<br/>Acquisition of EM data<br/>312<br/>5.7.4<br/>Processing and display of EM data<br/>316<br/>5.7.5<br/>Interpretation of EM data<br/>318<br/>5.7.6<br/>Interpretation pitfalls<br/>326<br/>5.7.7<br/>Examples of EM data from mineral deposits<br/>328<br/>5.8<br/>Downhole electromagnetic surveying<br/>330<br/>5.8.1<br/>Acquisition of DHEM data<br/>330<br/>5.8.2<br/>Display and interpretation of DHEM data<br/>333<br/>5.8.3<br/>Examples of DHEM responses from mineral<br/>deposits<br/>337<br/>5.8.4<br/>Induction logging<br/>339<br/>5.9<br/>Airborne electromagnetic surveying<br/>339<br/>5.9.1<br/>Acquisition of AEM data<br/>340<br/>5.9.2<br/>AEM systems<br/>342<br/>5.9.3<br/>AEM survey practice<br/>344<br/>5.9.4<br/>Display and interpretation of AEM data<br/>345<br/>5.9.5<br/>Examples of AEM data from mineralised terrains<br/>345<br/>Summary 347<br/>Review questions 348<br/>Further reading 349<br/>6<br/>Seismic method<br/>351<br/>6.1<br/>Introduction<br/>351<br/>6.2<br/>Seismic waves<br/>352<br/>6.2.1<br/>Elasticity and seismic velocity<br/>353<br/>6.2.2<br/>Body waves<br/>353<br/>6.2.3<br/>Surface waves<br/>354<br/>6.3<br/>Propagation of body waves through the subsurface<br/>354<br/>6.3.1<br/>Wavefronts and rays<br/>354<br/>6.3.2<br/>Fresnel volume<br/>355<br/>6.3.3<br/>Seismic attenuation<br/>356<br/>6.3.4<br/>Effects of elastic property discontinuities<br/>357<br/>6.4<br/>Acquisition and display of seismic data<br/>363<br/>6.4.1<br/>Seismic sources<br/>363<br/>6.4.2<br/>Seismic detectors<br/>364<br/>6.4.3<br/>Displaying seismic data<br/>364<br/>6.5<br/>Seismic re<br/>fl<br/>ection method<br/>366<br/>6.5.1<br/>Data acquisition<br/>367<br/>6.5.2<br/>Data processing<br/>369<br/>6.6<br/>Variations in seismic properties in the geological<br/>environment<br/>383<br/>6.6.1<br/>Seismic properties of common rock types<br/>384<br/>6.6.2<br/>Effects of temperature and pressure<br/>387<br/>6.6.3<br/>Effects of metamorphism, alteration and<br/>deformation<br/>388<br/>6.6.4<br/>Seismic properties of mineralisation<br/>389<br/>6.6.5<br/>Seismic properties of near-surface environments<br/>390<br/>6.6.6<br/>Anisotropy<br/>391<br/>6.6.7<br/>Absorption<br/>391<br/>6.6.8<br/>Summary of geological controls on seismic<br/>properties<br/>392<br/>6.6.9<br/>Measuring seismic properties<br/>392<br/>6.7<br/>Interpretation of seismic re<br/>fl<br/>ection data<br/>393<br/>6.7.1<br/>Resolution<br/>393<br/>6.7.2<br/>Quantitative interpretation<br/>396<br/>6.7.3<br/>Interpretation pitfalls<br/>397<br/>6.7.4<br/>Examples of seismic re<br/>fl<br/>ection data from<br/>mineralised terrains<br/>398<br/>6.8<br/>In-seam and downhole seismic surveys<br/>401<br/>6.8.1<br/>In-seam surveys<br/>402<br/>6.8.2<br/>Tomographic surveys<br/>403<br/>Summary 405<br/>Review questions 406<br/>Further reading 406<br/>References 408<br/>Index 426
520 ## - SUMMARY, ETC.
Summary, etc "Providing a balance between principles and practice, this state-of-the-art overview of geophysical methods takes readers from the basic physical phenomena, through the acquisition and processing of data, to the creation of geological models of the subsurface and data interpretation to find hidden mineral deposits. Detailed descriptions of all the commonly used geophysical methods are given, including gravity, magnetic, radiometric, electrical, electromagnetic and seismic methods. Each technique is described in a consistent way and without complex mathematics. Emphasising extraction of maximum geological information from geophysical data, the book also explains petrophysics, data modelling and common interpretation pitfalls. Packed with full-colour figures, also available online, the text is supported by selected examples from around the world, including all the major deposit types. Designed for advanced undergraduate and graduate courses in minerals geoscience, this is also a valuable reference for professionals in the mining industry wishing to make greater use of geophysical methods." --Publisher's description.
650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Geophysics.
650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Earth scientists.
700 1# - ADDED ENTRY--PERSONAL NAME
Personal name Mudge, Stephen T.,
Dates associated with a name 1952-
906 ## - LOCAL DATA ELEMENT F, LDF (RLIN)
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c orignew
d 1
e ecip
f 20
g y-gencatlg
942 ## - ADDED ENTRY ELEMENTS
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          COLLEGE LIBRARY COLLEGE LIBRARY SUBJECT REFERENCE 2015-08-28   5250.00 46466 550 D434 2014 CITU-CL-46466 2020-07-13 2020-07-13 BOOK