Sverrefjellet

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The Sverrejellet Volcano is the 506 m high ruin of a stratovolcano constructed of primitive alkali basaltic pyroclastics (scoria, lapilli, bombs) with subordinate pahoehoe lavas rich in xenoliths derived from the upper mantle and lower crust. The occurrence of interbedded pillow lavas and pahoehoe flows indicates that the volcano grew concurrently with the rise of the surrounding glaciers. Glacial debris occurs on its flanks. Reworked material from the volcano forms marine terraces below the eastern slope at Bockjorden at 5-60 m above sea level.