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’:

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Published by Steingrimur Thorbjarnarson
I have a BS degree in geology, BA in anthropology, graduated in Chinese language and as a certified tourist guide. I provide this website about my contribution to answer the greatest question remaining about our Earth. I have analyzed the convection rolls within the Earth's mantle and how they affect the surface. This makes it possible to provide many interesting examples about geology found on my blog.
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