Subglacial volcanoes Volcano

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subglacial volcanoes develop underneath icecaps. made of flat lava flows @ top of extensive pillow lavas , palagonite. when icecap melts, lava on top collapses, leaving flat-topped mountain. these volcanoes called table mountains, tuyas, or (uncommonly) mobergs. examples of type of volcano can seen in iceland, however, there tuyas in british columbia. origin of term comes tuya butte, 1 of several tuyas in area of tuya river , tuya range in northern british columbia. tuya butte first such landform analyzed , name has entered geological literature kind of volcanic formation. tuya mountains provincial park established protect unusual landscape, lies north of tuya lake , south of jennings river near boundary yukon territory.







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