Convection
currents
“Convection is driven by thermal and compositional
buoyancy
sources that
develop at the
inner core
boundary as
the Earth
cools and iron
solidifies
onto the inner
core.” [5]
![](img/convection.png)
Click
here
in full figure and
caption from [5].
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Taylor columns
![](img/taylorcol.png)
Weak Taylor column
structure is evident at
low latitudes (near
horizontal line through
the middle). Click here
for full figure and
caption from
[6].
And thus the geodynamo
is generated!
![](img/earth_spins.jpg)
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