Types of volcanoes and subtypes

1. The 3 Major
Types of
Volcanoes

2. And 5 special case volcanoes:
Lava
plateau
Dome
Caldera
Spatter
Cone Mega Volcano

3. A volcano is any place on the Earth's surface (or
any other planet's or moon's surface) where
molten rock,
gases and
pyroclastic debris erupt through the earth's crust.

4. Dome Volcano

5. Lava dome on Soufriere Hills Volcano,
Caribbean Island of Montserrat

6. Spatter Cone

10. Caldera Volcano

16. Lava Plateau

17. Lava pours out
forming a large
flat area.

18. 1. What type of
plate boundary is
this?
2. What is melting
in the bottom picture
to produce the
magma?

19. 3. How
many
volcanoes
make up
the
Cascade
Range in
Oregon?

20. 4. Where do we find
composite volcanoes?
Answer: Around the ring of
fire, and at Subduction zones

21. 5. Composite volcanoes
are made of what 2 types
of layers?
Answer:
Pyroclastic = ash and cinders
Basaltic = lava flows

22. Mt. Shasta in N. California…

23. Mt. Rainer in Washington

24. Mt. Fuji in Japan

25. Cinder cones
-Small
volcano
-Builds a
steep cone
shape
-Only erupts
for a short
time

26. Wizard Island in Crater Lake

27. 6. How many cinder cones do you see?

29. Mauna Loa on the Big Island of Hawaii. It
rises 6 miles from the ocean floor.
7. Shield volcanoes have the ________
(highest, lowest) slope flanks.

31. Shield
Volano
the size of
Oregon
It’s 17
miles tall.
Crater at the top
of the volcano
Olympus Mons on Mars- largest volcano in the solar system

32. Because the lava has low
viscosity (very runny), it is
able to spread out and make a
broad (wide) shape volcano.

33. 8. This lava is very running, is has low v________.

34. aa
Two types of lavas. Pahoehoe
“ropey”

35. A 3 types of volcanoes
=
3 types of eruptions
B
C 9.Name
each
volcano

36. 10. This is a large pyroclastic eruption
made of g_______ and a________
that is coming from a c_________
volcano.

37. Summary:
There are 3 main types of volcanoes:
Composite, Cinder, and Shield.
Special Case Volcanoes:
Caldera, Mega-volcano, spatter cone, dome, and lava
plateau.