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Time Frame |
Content Breakdown
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(Week 1) |
Recognizing course content, requirements and way of grades distribution for labs and exams and recognizing lab instruments and computer programs. |
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(Week 2) |
Revising theory of gravity field, Newton’s law and gravity acceleration. Principals of field survey (absolute and relative) and joining both surveys. Data correction for diurnal variations and solving different problems in lab and homework. |
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(Week 3 & 4) |
Correcting Observed Data: - Latitude correction, Free Air Correction, Boguer Correction and Terrain Correction. Problems on data correction. |
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(Week 5) |
Principles of Field Survey: Basic choice of base station- limiting elevation and station spacing- designing survey net according to geological structure. |
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(Week 6 & 7) |
Calculating gravity field for simple bodies: - Sphere, Horizontal cylinder, Vertical cylinder and Fault using (GRAV2D) modelling software. For two, Two and half and three dimensions. |
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(Week 8) |
Studying The Factors Affecting Gravity Anomaly:- The effect of Volume and Density contrast on the amplitude and gradient using modelling software. |
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(Week 9) |
The effect of Depth and distance between bodies on the amplitude and resolution of the anomaly. |
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(Week 10 ) |
Separation of regional and residual anomalies using (SIGNPRO) |
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(Week 11 & 12) |
Gravity Data Processing:- Using Surface Trend Analysis, Vertical and Horizontal Derivatives and using Filters. |
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(Week 13) |
Data interpretation using Direct and Inverse Methods such as Half Anomaly Second Derivative Method. |
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(Week 14) |
Study the application of the method on different geological structure. |