page_title: Volcanic plateau
section_title: Lava plateau
hierarchical_section_title: Volcanic plateau / Lava plateau
caption_attribution_description: English: Aerial photo of the Pajarito Plateau in Northern New Mexico.
context_page_description: A volcanic plateau is a plateau produced by volcanic activity. There are two main types: lava plateaus and pyroclastic plateaus.
context_section_description: Lava plateaus are formed by highly fluid basaltic lava during numerous successive eruptions through numerous vents without violent explosions (quiet eruptions). These eruptions are quiet because of low viscosity of  lava, so that it is very fluid and contains a small amount of trapped gases. The resulting sheet lava flows may be extruded from linear fissures or rifts or gigantic volcanic eruptions through multiple vents characteristic of the prehistoric era which produced giant flood basalts. Multiple successive and extensive lava flows cover the original landscape to eventually form a plateau, which may contain lava fields, cinder cones, shield volcanoes and other volcanic landforms. In some cases, a lava plateau may be part of a single volcano. An example is the massive Level Mountain shield volcano in northern British Columbia, Canada, which covers an area of 1,800 km² (690 sq mi) and a volume of 860 km³ (210 cu mi).
  Perhaps the most extensive of all the subaerial basaltic plateaus existed during the Paleogene and possibly extended over 1,800,000 km² (690,000 sq mi) of the northern Atlantic Ocean region. This region, known as the Thulean Plateau, is generally believed to have been broken up by foundering of the Earth's crust to form the present ocean basin.
  The Earth features numerous subaerial and submarine volcanic plateaus such as the Columbia River Plateau (subaerial) and the vast Ontong Java Plateau (submarine).
caption: The Pajarito Plateau in New Mexico, USA is an example of a volcanic plateau
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