Comparing the west coast of Greenland with Iceland at the same latitudes reveals a common point. At 66°N the coasts are exactly 30° apart. As mentioned before, the basic extension along each latitude is 30°, because each convection roll is 30° wide.
Besides that, similar consistency is found between tectonics and analysis of convection rolls of the mantle in both countries.
This is how it looks:
Just to have Iceland in similar scale to make comparison easier:
There you see that the fjords of NW Iceland follow the equator originated set of lines to the NW, but in Greenland to the NE, but the deviation from east is actually the same, that is 35°.
Published by Steingrimur Thorbjarnarson
I am a geologist, graduated from the University of Iceland, and taught geology for a few years. I have gained some knowledge about Earth's inner structure, so I provide this website as my contribution to answer one of the greatest questions remaining within the realm of geoscience. Experiments show that the mantle should form convection rolls when close to the melting point. I took this literally, and calculated the dimensions and shape of these mantle convection rolls. Then I compare that model with the surface. This makes it possible to provide many interesting examples about geology found on my blog.
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