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Thestudyofremanent magnetisminrocksofvariousagestodeterminetheintensityand
geologicalpast
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TheperiodicswitchingofthemagneticnorthandsouthpolesoftheEarth
throughouttime
is
as
aresult
of
motion
of
highly
conductive
Iron
Nickel
fluid
within
theEarth'score.
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episodes
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carriers:record
thermoremanent
Point:ca.500oC)
carriers:alignmentoffreelymobileparticles
Bothrecordorientationofthemainfieldatthe
t meo ormat on.
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Geomagneticpolaritiesinlava
flows
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Geomagneticpolaritiesofvolcanic
rocksat
the
ocean
floor
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Polarityzoneand
calibration
scientistwho
discovered
Shortereventsarenamed
.
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Terminologyin
Magnetostratigraphy
PolarityZONE
(equivalent
geochronologic
PolaritySUBZONE
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Magnetic
polarity
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SamplingandMeasurement
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field andachanging
electric
field
generates
a
. . . .
NikolaTeslainventedtheinductionmotordrivesformachinesfeasibleandmade
economicnecessity.
(http://www.youtube.com/watch?v=olLYiTqLybo)