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palaeomagnetism
(redirected from Paleomagnetic)

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
palaeomagnetism [ˌpælɪəʊˈmægnɪˌtɪzəm]
n
(Earth Sciences / Geological Science) the study of the fossil magnetism in rocks, used to determine the past configurations of the continents and to investigate the past shape and magnitude of the earth's magnetic field
palaeomagnetic  adj


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Some earlier studies of these rocks had led other teams to conclude that the magnetic field of the ancient Earth had a far more complex structure - some proposing the influence of four or even eight poles - implying that present models of the supercontinents that relied on paleomagnetic data and an axial dipole assumption were wrong.
Determining the age of the various units was accomplished by radiocarbon, thermoluminescence and optical stimulation luminescence methods, sedimentation rates, paleomagnetic signatures, and an orbital time scale developed from the loess record (Ding et al.
METHODS Petrophysical and palaeomagnetic measurements were performed at the Paleomagnetic laboratory of the Geological Survey of Finland.
 
 
 
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