Volcano Flashcards
opening in the earth’s crust
Volcano
the path that takes from the magma chamber to the vent
Conduit
A secondary vent that emits only gases
fumarole
becomes the supply of magma
magma chamber
what are the three kinds of lava?
Parahoe lava
AA lava
Pillow lava
lava that has hot, thin, fast flowing
Parahoe lava
Lava that has cooler, thicker, slow moving
AA lava
lava that Shows sack-like segments
Pillow lava
What are the 3 kinds of volcano?
Shield volcano
Cinder cone volcano
composite volcano or stratovolcano
has a wide base with gently sloping sides
Shield volcano
built mostly of loose fragments
Cinder cone volcano
Made of alternating layers of lava and cinders
Composite or Stratovolcano
What are the three classification of volcanoes?
Active volcano
Dormant volcano
Extinct volcano
showing regular signs of volcanic activities
Active volcano
are those that have currently erupted but in long period of activity
Dormant volcano