Central volcano

Source: Wikipedia, the free encyclopedia.
Askja central volcano in Iceland

A central volcano is a type of

silica-rich volcanic rocks. They contain very few or no volcanic rocks of intermediate composition, such that they are chemically bimodal. Large silicic eruptions at central volcanoes often result in the formation of one or more calderas. Central volcanoes can be stratovolcanoes or shield volcanoes.[1]

Central volcanoes undergo periodic eruptions throughout their lifetime, which can span more than a million years. In Iceland, volcanic systems are normally named after an associated central volcano.[2] The largest known glaciovolcanic central volcano on Earth is Mount Haddington, a glacier-covered shield volcano on James Ross Island in Antarctica.[3][4]

Examples

Mount Morning, a central volcano in Antarctica
Mount Edziza in British Columbia, Canada

Antarctica

Canada

Iceland

References

  1. ^ .
  2. ^ a b c d e f "Volcanic activity". Icelandic Institute of Natural History. Retrieved 2023-07-20.
  3. .
  4. ^ "Mount Haddington Volcanic Field". Global Volcanism Program. Smithsonian Institution. Retrieved 2023-07-20.
  5. ^ "Discovery: General Information". Global Volcanism Program. Smithsonian Institution. Retrieved 2023-07-20.
  6. ^ "Morning: General Information". Global Volcanism Program. Smithsonian Institution. Retrieved 2023-07-20.
  7. ^ .
  8. ^ a b c Kuehn, Christian (2014). A Second North American Hot-spot: Pleistocene Volcanism in the Anahim Volcanic Belt, west-central British Columbia (PhD). University of Calgary. p. 87.