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Ladd Cfu

CFU

QuestionAnswer
Rhyolitic Magma High in silica, Low temperature, explosive volcanoes. (Magma)
Andesitic Magma Less silica than R more than B, explosive/quiet eruptions. (Magma)
Basaltic magma Low silica, high temperature, quiet eruption. (Magma)
High % silica Explosive eruptions, occurs at subduction boundaries.
Low % silica Quiet eruptions, occurs at divergent boundaries & oceanic hot spots.
Shield Volcanoes Basaltic lava, low silica, high temperature, quiet eruption, formed at DIVERGENT boundaries/ oceanic hot spots. (Volcano)
Cinder Cone Made of solid pieces of pyroclastic material, Rhyolitic magma. (Volcano)
Composite/Strato Formed at subduction boundaries, Andesitic magma. (Volcano)
Where do most Stratovolcanoes occur? Pacific plate (ring of fire) at subduction boundaries.
Created by: carrienb
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