[editor-surveyor]

.
>> “The Earth’s magnetic field periodically reverses itself” <<

That’s an idiot’s explanation for something much more sensible: Pieces get fractured off and rotated in tectonic fissures resulting in variation in magnetic orientation.

But some like fairy tales better than reality.

[JimSEA]

I see, do you have an article on plate tectonics that explains this and the observation behind it?