Types of volcanoes

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  • Created by: ccraston
  • Created on: 31-05-17 19:33
Fissure eruption -
an elongated crack in the crust that allows lava to spill out over a large area
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fissure eruption - rock type
basaltic lava flows considerable distances over gentle slopes
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fissure eruption - location
constructive margins
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fissure eruption - eruptions
gentle, persistent
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fissure eruptions - example
Heimaey, Iceland
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shield volcanoes - rock type
basaltic rock forms gently sloping cones
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shield volcano - location
hot spots or oceanic-oceanic destructive
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shield volcano - eruptions
gentle, predictable
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shield volcano - example
Mauna Loa, Hawaii
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composite volcanoes - rock type
andesitic. layers of ash from initial explosive phase followed by layers of lava from main eruption phases
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composite volcanoes - location
destructive margins
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composite volcano - eruptions
explosive, unpredictable
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composite volcano - examples
popocatepetl, mexico
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dome volcano - rock type
rhyolitic - steep sides formed from very viscous lava
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dome volcano - location
near composite volcanoes
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dome volcano - eruptions
explosive, unpredictable
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dome volcano - example
Puy de Domes, France
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calderas
formed when gases that have built up beneath a blocked volcanic vent result in a catastrophic eruption that destroys the volcano summit leaving an enormous crater, where later eruptions form smaller cones
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calderas - rock type
andesitic
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calderas - location
destructive margins
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calderas - eruptions
very explosive, unpredictable
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calderas - example
Krakatoa, Indonesia
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fissure eruption - rock type

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basaltic lava flows considerable distances over gentle slopes

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fissure eruption - location

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Card 4

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fissure eruption - eruptions

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Card 5

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fissure eruptions - example

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