Icelandic tourism has been developing fast, and most visitors go to a few places rather close to Reykjavík. The most famous scenic areas are all explainable in context with the convection rolls arrangement:
Polygon of Tourism
The Golden Circle includes Thingvellir, Gullfoss and Geysir. Thingvellir are located on the NS-axis of the polygon south of Langjökull, making up half of the West Volcanic Zone. At the east corner, Geysir hotspring area is found. About 10 kilometers east of there is Gullfoss.
The two main waterfalls are found in similar context, Hraunfossar accurately at the relevant corner of a mini-polygon. Laugarvatn and Hveragerði are then found on the main division line.
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 