Basic Concept Electrical geophysical prospecting methods detect the surface effects produced by electric current flow…

Compressional Waves, which are also called P waves, are basically the same as sound (acoustic)…

rface. These methods utilize differences in electric potential to identify subsurface material. Fundamentals Resistivity is…

Basic Concepts The Earth possesses a magnetic field caused primarily by sources in the core. …

Lateral density changes in the subsurface cause a change in the force of gravity at…

​Geophysical techniques work through applying one of several types of force to the ground, to…

The magnetic method started to be used in archaeological prospection with an invention of the…

The overall magnetization of the rocks is a vector sum of induced magnetization (the magnetization…

The changes in geomagnetic field caused by external sources have lower amplitude than changes stemming…

From the point of view of the magnetic exploration we can divide the Earth’s magentic…