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Duckbill
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Possible Evidence Contrary to Hapgood’s Crustal Shift Hypothesis
While keeping an open mind, I am sceptical about Hapgood’s theory for the following reason:- On the Australian continent there exists the longest “unbroken” chain of volcanoes in the world which is due to the passage of the Australian tectonic plate over a mantle plume.
This chain began (on the Australian continent) some 50-60 Myr ago! https://www.abc.net.au/news/science...ic-chain-in-australia/6769360?topic=latesttag
Since the mantle plume is beneath and separate from the crust, surely the crust has been stable (allowing for accepted movement of plates) for up to 60 Myr?
Donald N Barry, PhD.
While keeping an open mind, I am sceptical about Hapgood’s theory for the following reason:- On the Australian continent there exists the longest “unbroken” chain of volcanoes in the world which is due to the passage of the Australian tectonic plate over a mantle plume.
This chain began (on the Australian continent) some 50-60 Myr ago! https://www.abc.net.au/news/science...ic-chain-in-australia/6769360?topic=latesttag
Since the mantle plume is beneath and separate from the crust, surely the crust has been stable (allowing for accepted movement of plates) for up to 60 Myr?
Donald N Barry, PhD.