There are three volcanic zones that show similarities when compared with the convection sysmtem of mantle underneath, namely Reykjanes, Snæfellsnes and Öræfajökull. They mainly cover two polygons each. The Öræfajökull and Snæfellsnes systems both start at the same latitude, one with Snæfellsjökull, the other with Snæfell. These mountains have the same system position compared with Hekla for instance. But this map is for everyone to ‘read’:
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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Magic Magma 