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GEONICS EM .

CONTENTS:

INTRODUCTION

PRINCIPLE OF OPERATION

INSTRUMENTATION

SURVEY TECHNIQUES AND INTERPRETATION

Instrumental response as a function of depth (nomogeneous halfspace)

Multi-layered earth response

Comparison with conventional resistivity techniques

Resolving of two-layered earth by varying intercoil spacing

Resolving of two-layered earth by varying instrument height

ADVANTAGES AND DISADVANTAGES OF INDUCTIVE TERRAIN CONDUCTIVITY MEASUREMENT

Advantages

Disadvantages

CASE HISTORIES

SUMMARY

THEORY OF OPERATION AT LOW INDUCTION NUMBERS

 
 
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