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Ancient Earth






Atlantis Notes:

The Azores Region

A closer look at this controversial region


Below is a composite map showing the positions of the MAR over time relative to Eurasia. It also shows the various boundary types for the region, including the Terceira Ridge spreading center (largely red). Note also that the region from the "bend" to Gibraltar is partly convergent (from Prof. Peter Bird, UCLA). And note that there is a different idea of boundary placement shown in black (from a 1996 US geological chart). Near Gibraltar, the two sources do not agree on boundary location. The diffuse nature of the boundary in this region is, by my hypothesis, the result of boundary damage from folding and subsequent crustal slumping.
 
Base map from Google maps.

Looking farther afield

The chart below is excerpted from one available at Wikipedia.com, but that, in turn, was developed from one by Prof. Peter Bird, UCLA. Note how, east of Gibraltar the boundary is near completely convergent, especially that indicated in blue — a fast moving subduction zone. So the pattern is clear. You have divergence at the Terceira Ridge, mixed convergence and transform to Gibraltar, and much heavier convergence farther east. This is a pattern of rotation which, by this current hypothesis, was caused by deflection around an impediment to subduction at Atlantis.
 
Click on graphic image to enlarge
Atlantis region of Western North Atlantic and Tectonic Plate Boundaries
Detail of a larger map from Wikipedia on "Plate Tectonics."

A new book about Atlantis is currently in the works — Mission: Atlantis.

 

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