| 1- a) Measurements of gravity at sea,
b) Magnetic surveys at sea, c) Seismic waves and their types d) Vertical electrical sounding and horizontal electrical profiling |
| 2- a) The density logger
b) Surveys of airborne magnetometer c) Surface Waves and their types d) Advantages and limitations of resistivity method |
| 3- a) Gravity measurements of land
b) Magnetic survey on land c) Body waves and their types d) Origin of self-potential and the field requirements for the measurement of SP |
