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volcanoes - Coggle Diagram
volcanoes
location
ocean plates colide
ocean continental pates
hot spots
pacific ring of fire
mid ocean ridges
extrusive feature
lava
poles
volcano= coposite dome shieled
caldona
state of volcanoes
active erupt any time eg mt etna italy
dormant sleeping mt veseuines italy
extinct will never erupt eg slemis mountains antrum
how do volcanos explode
presser released
magma travels up the vent
like a presser
type of lava
acidic has silica big boom
basic less silica less boom
definition
pipe like structure mountain like where gass rocs pyroclast erupt from a cone shaped plat form
mt saint helens