Þórólfsfell () is a

basalt Basalt (; ) is an aphanite, aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the planetary surface, surface of a terrestrial ...

tuya A tuya is a flat-topped, steep-sided volcano formed when lava erupts through a thick glacier or ice sheet. They are rare worldwide, being confined to regions which were covered by glaciers and had active volcanism during the same period. As lava ...

in southern

Iceland Iceland is a Nordic countries, Nordic island country between the Atlantic Ocean, North Atlantic and Arctic Oceans, on the Mid-Atlantic Ridge between North America and Europe. It is culturally and politically linked with Europe and is the regi ...

, east of

Fljótshlíð Fljótshlíð () is a rural area in the municipality of Rangárþing eystra in Southern Region, Iceland. Before the formation of Rangárþing eystra in 2002, Fljótshlíð was its own municipality called Fljótshlíðarhreppur. '' Fljót'' (geni ...

. The upper section is made up of

pillow lava Pillow lavas are lavas that contain characteristic pillow-shaped structures that are attributed to the extrusion of the lava underwater, or ''subaqueous extrusion''. Pillow lavas in volcanic rock are characterized by thick sequences of discontinu ...

s and is 574 metres above sea level.

References

Thorolfsfell
Tuyas of Iceland East Volcanic Zone of Iceland Volcanoes of Iceland Mountains of Iceland {{Iceland-geo-stub

See also

References