Quote:
Originally Posted by gmbfilter
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Can you get these guys?!
He states "
With clock-like regularity, sudden reversals and pole shifts are natural to the Earth".
I think I'd rather trust the British Geological Survey:-
Re "with clock-like regularity..."
"How often do reversals occur? As a matter of geological record, the Earth's magnetic field has underone numerous reversals of polarity. We can see this in the magnetic patterns found in volcanic rocks, especially those recovered from the ocean floors. In the last 10 million years, there have been, on average, 4 or 5 reversals per million years. At other times in Earth's history, for example during the Cretaceous era, there have been much longer periods when no reversals occurred. Reversals are not predictable and are certainly not periodic in nature. Hence we can only speak about the average reversal interval."
http://www.geomag.bgs.ac.uk/reversals.html#2
Re "sudden reversals....."
"How quickly do the poles 'flip'? We have no complete record of the history of any reversal, so any claims we can make are mostly on the basis of mathematical models of the field behaviour and partly on limited evidence from rocks that retain an imprint of the ancient magnetic field present when they were formed. For example, the mathematical simulations seem to suggest that a full reversal may take about one to several thousand years to complete. This is fast by geological standards but slow on a human time scale."
http://www.geomag.bgs.ac.uk/reversals.html#4
Interesting how these guys put their stuff in books to sell for $$$s and reputable scientists submit their stuff to peer-reviewed journals for which they get zilch $s. Sheeesh! 