Thorolfsfell
Encyclopedia
Þórólfsfell is a basalt
ic tuya
in southern Iceland
, east of Fljótshlíð
. Its upper section is made up of pillow lava
s. It is 574 metres above sea level.
Basalt
Basalt is a common extrusive volcanic rock. It is usually grey to black and fine-grained due to rapid cooling of lava at the surface of a planet. It may be porphyritic containing larger crystals in a fine matrix, or vesicular, or frothy scoria. Unweathered basalt is black or grey...
ic tuya
Tuya
A tuya is a type of distinctive, flat-topped, steep-sided volcano formed when lava erupts through a thick glacier or ice sheet. They are somewhat rare worldwide, being confined to regions which were covered by glaciers and also had active volcanism during the same time period.-Formation:Tuyas are...
in southern Iceland
Iceland
Iceland , described as the Republic of Iceland, is a Nordic and European island country in the North Atlantic Ocean, on the Mid-Atlantic Ridge. Iceland also refers to the main island of the country, which contains almost all the population and almost all the land area. The country has a population...
, east of Fljótshlíð
Fljótshlíð
Fljótshlíð is a rural area in the municipality of Rangárþing eystra in Suðurland, southern Iceland. Fljót means "river" and hlíð means "mountain side", which refers to its location north of one of the major rivers in Iceland....
. Its upper section is made up of pillow lava
Pillow lava
Pillow lavas are lavas that contain characteristic pillow-shaped structures that are attributed to the extrusion of the lava under water, or subaqueous extrusion. Pillow lavas in volcanic rock are characterized by thick sequences of discontinuous pillow-shaped masses, commonly up to one metre in...
s. It is 574 metres above sea level.