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Geophysical Methods
Geophysical techniques work through applying one of several types of force to the ground, to…
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Magnetic measurements for an archaeological prospection
The magnetic method started to be used in archaeological prospection with an invention of the…
Posted ingeophysics
Magnetism of rocks and minerals
The overall magnetization of the rocks is a vector sum of induced magnetization (the magnetization…
Posted ingeophysics
The external magnetic field
The changes in geomagnetic field caused by external sources have lower amplitude than changes stemming…
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Magnetic field of the Earth
From the point of view of the magnetic exploration we can divide the Earth’s magentic…
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Applications of the gravity method
The gravity measurements could, obviously, be applied anywhere where sufficient density contrast is expected. Nevertheless,…
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Gravity data interpretation
The interpretation of gravity data could be only a simple qualitative analysis in a way:…
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Gravity data processing
Once the gravity data are measured the more demanding task is to be carried out…
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Gravity effect of selected bodies
The simple geometrical bodies are often used for the modelling before the survey is carried…
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Rock densities
The densities of rocks (Tab. 1.1), naturally, depends on the mineral composition of particular rock.…