A recent article entitled, “Geologists solve the mystery of what tectonic plates float on: Scientists use dynamite to shake the truth out of the Earth’s underbelly,” summarizes the findings of recent experiments in New Zealand.
The theory of Plate Tectonics was proposed over one hundred years ago, but it wasn’t until recently that geologists knew what the plates were floating on. From the article, we learn that given a lot of dynamite explosions and data received from 877 sensors, the researchers discovered that there is a 10km layer of jelly-like rock that allow the plates to move.
Is this another nail in the coffin for alleged sunken continents? After all, the scientific community has shown that the lighter continents (lithosphere) ‘float’ on the heavier mantle (asthenosphere) in a process called isostasy, which indicates that continents do not sink.
A cross section illustrating the main types of plate boundaries.
By Jose F. Vigil. USGS ([1]) [Public domain], via Wikimedia Commons
On the other hand, is it possible that the ‘sunken’ continents hiding the evidence of ancient advanced civilizations were the result of the rise in sea levels after the last ice-age? Much of the human population lives near the coast today, would it be any different several thousands of years ago?
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