[Answer] The type of lava least likely to form a pyroclastic flow is _____.

Answer: basaltic

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The type of lava least likely to form a pyroclastic flow is _____. Sun Apr 29 2007 · A cinder cone is a steep conical hill of loose pyroclastic fragments such as volcanic clinkers volcanic ash or cinder that has been built around a volcanic vent. The pyroclastic fragments are formed by explosive eruptions or lava fountains from a single typically cylindrical vent. As the gas-charged lava is blown violently into the air it breaks into small fragments that solidify and ... In volcanology an explosive eruption is a volcanic eruption of the most violent type . A notable example is the 1980 eruption of Mount St. Helens.Such eruptions result when sufficient gas has dissolved under pressure within a viscous magma such that expelled lava violently froths into volcanic ash when pressure is suddenly lowered at the vent. Sometimes a lava plug will block the conduit to ... Several types of volcanic eruptions—during which lava tephra (ash lapilli volcanic bombs and volcanic blocks) and assorted gases are expelled from a volcanic vent or fissure—have been distinguished by volcanologists.These are often named after famous volcanoes where that type of behavior has been observed. Some volcanoes may exhibit only one characteristic type of eruption during a ... There are several mechanisms that can produce a pyroclastic flow: More items... Pyroclastic flow - Wikipedia Volcanic rock - Wikipedia Lava is molten rock that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon.Magma is generated by the internal heat of the planet or moon and it is erupted as lava at volcanoes or through fractures in the crust usually at temperatures from 800 to 1 200 °C (1 470 to 2 190 °F).The volcanic rock resulting from subsequent cooling is also often described as lava . A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ground away from a vo...

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