Since I am not a geologist, I would be interested how much of the change that you have noted is due to plate tectonics - the African plate moving into the Eurasian plate in the Mediterranean Sea.
( I forgot to add the quote showing the picture of rocks in the Mediterranean, sorry)
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“There is no such thing as a normal period of history. Normality is a fiction of economic textbooks.”
— Joan Robinson, “Contributions to Modern Economics” (1978)
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