Elaine Jones wrote:

Quoting from message
posted on 30 Nov 2005 by nevillef


Don't know where you and your geography teacher were but mine was
saying the same forty years ago, whilst also remarking on the fact
that many of the coal deposits were formed from tree ferns, which
required much higher average temperatures than have been experienced
in the British Isles for quite some time.

That was more down to whole contenents moving about the face of the
earth, rather than ocean currents shifting.

Martin


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