Mount Haddington is a massive 1,630 m (5,350 ft) high shield volcano comprising much of James Ross Island in Graham Land, Antarctica. It is 60 km (37 mi) wide and has had numerous subglacial eruptions throughout its history, forming many tuyas. Some of its single eruptions were bigger in volume than a whole normal-sized volcano.[3] Old eruption shorelines are widespread on the volcano's deeply eroded flanks.
Haddington formed along the Larsen Rift dominantly during the Miocene and Pliocene epochs but more recent eruptions have produced tuff cones on its slopes. The youngest tuff cones and pyroclastic cones on the eastern slope are situated below the summit icecap and may have formed in the last few thousand years. Effusive eruptions have created large deltas composed of hyaloclastite breccia and lava flows.[2]
Mount Haddington was discovered on December 31, 1842 by the Ross expedition, a voyage of scientific exploration of the Antarctic from 1839 to 1843 led by James Clark Ross. Ross named the mountain after the Earl of Haddington, then First Lord of the Admiralty.[4]
^ ab"James Ross Island". Global Volcanism Program. Smithsonian Institution. Retrieved 2018-01-14.
^Antarctic Volcanoes: Antarctic volcanoes punching holes in the ice Retrieved on 2007-11-11
^"Mount Haddington". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2018-01-17.
MountHaddington is a massive 1,630 m (5,350 ft) high shield volcano comprising much of James Ross Island in Graham Land, Antarctica. It is 60 km (37 mi)...
side of James Ross Island. MountHaddington (64°13′S 57°38′W / 64.217°S 57.633°W / -64.217; -57.633 (MountHaddington) is a mountain, 1,630 metres...
volcano on Earth is MountHaddington, a glacier-covered shield volcano on James Ross Island in Antarctica. Mount Discovery Mount Morning Armadillo Peak...
Volcanism Program. Smithsonian Institution. Retrieved 2018-01-20. "MountHaddington". Geographic Names Information System. United States Geological Survey...
The dominating feature of the James Ross Island Volcanic Group is MountHaddington, a massive shield volcano of Miocene-to-Pliocene age on James Ross...
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