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A dome is a feature in structural geology where a circular part of the Earth's surface has been pushed upward, tilting the pre-existing layers of earth away from the center. In technical terms, it consists of symmetrical anticlines that intersect each other at their respective apices .
Lava domes are common features on volcanoes around the world. Lava domes are volcanoes to exist on plate margins as well as in intra-arc hotspots, and on heights above 6000 m and in the sea floor. [1]
Round Mountain is a mountain in northwestern British Columbia, Canada, located 22 km (14 mi) east of Dease Lake. [ 1 ] Round Mountain is a volcanic feature of the Northern Cordilleran Volcanic Province that formed in the past 1.6 million years of the Pleistocene [ 2 ]
Rhyolitic lava dome of Chaitén Volcano during its 2008–2010 eruption One of the Inyo Craters, an example of a rhyolite dome Nea Kameni seen from Thera, Santorini. In volcanology, a lava dome is a circular, mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano.
Another example is the Rila–Rhodope massif in Bulgaria, including the well defined horsts of Belasitsa (linear horst), Rila mountain (vaulted domed shaped horst) and Pirin mountain—a horst forming a massive anticline situated between the complex graben valleys of the Struma and Mesta rivers. [20] [21] [22]
The exposed laccolith then forms a hill or mountain. The Henry Mountains of Utah, US, are an example of a mountain range composed of exposed laccoliths. It was here that geologist Grove Karl Gilbert carried out pioneering field work on this type of intrusion. Laccolith mountains have since been identified in many other parts of the world.
Half Dome – Granitic dome in Yosemite National Park, California, United States Huangshan – Mountain range in southern Anhui, China China Looking Glass Rock – mountain in Transylvania County, North Carolina, United States Pages displaying wikidata descriptions as a fallback , United States
Kendrick Peak is a dome volcano, [7] with some having multiple extrusion vents. Other Arizona examples of dome volcanoes are Mount Elden, Bill Williams Mountain, and Sitgreaves Mountain. [7] See List of lava domes for more examples worldwide. Snow clouds over Kendrick Mountain