# عبدالله بن محمد العمري

Professor

أستاذ الجيوفيزياء رئيس الجمعية السعودية لعلوم الأرض

كلية العلوم
2 ب 150
course

# GPH 521 Applied Geophysics

The course focuses on principles of electrical and EM, mathematical methods in electrical exploration, fundamentals of current flow, D.C. resistively method, electrochemical methods, electromagnetic methods, and advanced seismic refraction methods.

GPH 521
SYLLABUS OF THE COURSE

PRINCIPLES OF ELECTRICAL & EM                             (1 week )

• v Electrical properties of rocks
• Mechanism of electrical conduction in materials
• Representative resistivity values
• Conductivity mechanism

MATHEMATICAL METHODS IN ELECTRICAL EXPLORATION      ( 2 weeks )

• Area and Line integrals
• LaPlace's and Poisson's Equations
• Stokes’ Theorem
• Solution to Laplace’s equation in electrical problems

FUNDAMENTALS OF CURRENT FLOW                                                (1 week )

• Fundamentals of the current flow in the earth.
• Potential distribution in a Homogeneous Medium
• Apparent and true resistivity
• Potential and current distribution across boundary
•
• D.C. RESISTIVITY METHOD                                     ( 2 weeks )
• Electrode configurations
• Electric sounding & Electric profiling
• field procedures
• Applications & Ambiguities
• Qualitative & Quantitative Interpretation
•  Mise – A- la- Masse Method

ELECTROCHEMICAL METHODS                           ( 2 weeks )

• self-potential method
• induced polarization method.

MIDTERM EXAM

ELECTROMAGNETIC METHODS                           ( 2 weeks )

• Classification of electromagnetic systems
• Principles of electromagnetics
• Magnetotelluric Methods
• Vertical loop (VLEM)
• Slingram & Turam Systems
• Very Low Frequency (VLF)
• Audio Frequency Magnetics (AFMAG)
• Time-Domain systems  ( TDEM )
• Airborne Method

ADVANCED SEISMIC REFRACTION METHODS                           (2 weeks)

CASE STUDIES                                                                                 (1 week)

STUDENT'S PRESENTATIONS                                                        (1 week )

FINAL  EXAM

HOMEWORK ASSIGNMENTS IN
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