Kerlingarfjöll

Kerlingarfjöll is a 1,477 m (4,846 ft) tall volcanic massif in Iceland situated in the Highlands of Iceland near the Kjölur highland road. It is usually regarded as part of a large tuya fissure system of 100 km2 (39 sq mi) in the southern portion of the Hofsjökull volcanic system, although is about 20–30 km (12–19 mi) in diameter itself, and is between 68 and 350 thousand years old predating some of the activity in the rest of the system. The volcanic origin of these mountains is evidenced by tholeiite basalt deposits, the numerous hot springs and rivulets in the area, as well as red volcanic rhyolite stone most marked near the two caldera. Minerals that have emerged from the hot springs also color the ground yellow, red and green.

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