WebA flood basalt is the result of a giant volcanic eruption or series of eruptions that covers large stretches of land or the ocean floor with basalt lava. Many flood basalts have … WebBasalt is a hard, black volcanic rock with less than about 52 weight percent silica (SiO2). Because of basalt's low silica content, it has a low viscosity (resistance to flow). Therefore, basaltic lava can flow quickly and easily move >20 km from a vent. The low viscosity typically allows volcanic gases to escape without generating enormous ...

Flood basalt definition and meaning Collins English Dictionary

WebFlood basalts are yet another strange type of "volcano." Some parts of the world are covered by thousands of square kilometers of thick basalt lava flows - individual flows … WebIntroduction Flood lavas, by definition, cover vast areas in great sheets of lava, without the construction of major edifices (e.g., Geikie, 1880; Washington, 1922; Tyrrell, 1937; Self et al ., 1997). The flat terrain that flood lavas produce has led to the term “plateau volcanism” to be used as a synonym for flood volcanism. In addition, the classic erosion pattern of … portglenone health

Basalt Definition, Properties, & Facts Britannica

WebFlood basalt definition: a very extensive lava flow of basaltic composition that has issued from a fissure , often... Meaning, pronunciation, translations and examples WebThe upper basalt is Roza Member, while the lower canyon exposes Frenchmen Springs Member basalt. A flood basalt or trap basalt is the result of a giant volcanic eruption or … WebThese plateaus are often called 'flood basalts' because the molten basalt flowed out of the volcano like it was water and spread over a wide area. Examples of Lava Plateaus portglenone health centre doctors