The Koenigsberger ratio is the proportion of remanent magnetization relative to induced magnetization in natural rocks.[1] It was first described by J.G. Koenigsberger [de].[2] It is a dimensionless parameter often used in geophysical exploration to describe the magnetic characteristics of a geological body for help in interpreting magnetic anomaly patterns.
[1]
Definition
Q
Königsberger Ratio
remanent magnetization
induced magnetization
χ
the magnetic susceptibility; the influence of an applied magnetic field on a material
H
the macroscopic magnetic field
The total magnetization of a rock is the sum of its natural remanent magnetization and the magnetization induced by the ambient geomagnetic field. Thus, a Koenigsberger ratio, Q, greater than 1 indicates that the remanence properties contribute the majority of the total magnetization of the rock.[3]
^ ab"Königsberger Faktor". Spektrum (in German). Retrieved 2023-03-10.
^Koenigsberger, J. G. (1938). Natural residual magnetism of eruptive rocks. Terrestrial Magnetism and Atmospheric Electricity, 43(3), 299-320.
^Gubbins, D., & Herrero-Bervera, E. (Eds.). (2007). Encyclopedia of geomagnetism and paleomagnetism. Springer Science & Business Media.
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