Applications
B1-6 ENVI-MAG Manual
Figure B-6 Typical dipole and monopole signatures (after Breiner, 1973).
Amplitude
As you have just seen, the shape of the anomaly is determined by the
geometry of the causative body with respect to the direction of the Earth’s
magnetic field. The amplitude, on the other hand, is controlled by a
combination of the susceptibility, permanent magnetization and the
distance from the body that you are observing the response. The more
magnetizable the object is the stronger and narrower the peak on the profile
will be. The deeper the object, the weaker and broader the peak on the
profile will be. This is illustrated in the following figure (Figure B-7).
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