types of eruption


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example of hawaiin eruption
mauna loa 1950 or kilkauea iki crater eruption 1959
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what happens?
molten incadescent lava spurted from a fissure on volcanoes rift zone and feeds lava streams that flow downslope
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characteristics
central fountain of fiery lava spurted out to a height of several hundred ft
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example of strombolian
irazu volcanoe, costa rica, 1965
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what happens?
huge clots of motlen lava burst from summit crater to form luminous arcs
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example of vulcanian
paricutin, mexico 1947
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what happens?
dense cloud of ash-laden gas explodes from the crater and rises high above its peak
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example of vesuvian eruption
mt vesuvius AD.79
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characteristics
ash-laden gas violently dicharged into cauliflower shaped cloud
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example of pelean
mayon volcano, phillipines, 1968
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characteristics
incandescent lava fragments, gas, dust and glowing avalanches
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plinian
pinatubo, phillipines, 1991
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characteristics
sends ash and volcanic gas tends of miles, resulting ash fallout effects large areas
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how thick are dykes and sills?
1-20m, shallow features,
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example of a sill
dalisades sill in US, exposed 80km along westbank of the Hudson river
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how big is the palisades sill?
300m thick
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example of batholith
sierra nevada batholith, continuous granitic structure
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example of laccolith
exposed to form a small range of hills in Eildon Hills, Scottish border
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example of a fumarole
solftara , italy
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example of solftara
bay of naples, italy
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example of geyser
old faithful, yellowstone national park
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example of hot spring
pamukkale, turkey, dissolved salts from the hot water are laid down in spectacular calcium carbonate deposits
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Card 2

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what happens?

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molten incadescent lava spurted from a fissure on volcanoes rift zone and feeds lava streams that flow downslope

Card 3

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characteristics

Back

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Card 4

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example of strombolian

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Card 5

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what happens?

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