Volcano Flashcards
tall mountain with an opening that releases magma
Volcano
has not erupted for 10,000 years
inactive
has erupted for 10,000 years
active
does not have any recorded eruption and the magma and ash are not active
extinct
high mountain with thick magma that is violent
composite or stratovolcano
looks like a hill, less vicious, common in western countries, and the magma is “malabnaw”
Shield volcano
short with wide hole, the magma it erupts goes back the the volcano because it is wide
cinder or pyroclastic cones
magma outside the volcano
lava
slow drippage from the mouth of the volcano, pure thick molten rock
lava flow
magma shoots out from the volcano then drips
lava fountain
mounds that form when lava erupts and lava piles up, has holes that other lava can go in
lava domes
the cause of this eruption is the heat of mantle, rock pulverized in crust which heat up the water and then triggers the eruption
hydrothermal
-water interacts with heat of magma
-consists of pulverized, ash water and old magma
phreatic
new magma that is very explosive
phreatomagmatic
least violent, fire fountain and lava flows and has hsort eruptions
Strombolian
high rate of magma discharge
Subplinian and plinian