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Ch. 3 Sec. 4 Volcanic Landforms
landforms  from lava & ash shield  volcano cinder cone  volcano composite  volcano lava  plateau caldera
shield volcano <ul><li>Quiet eruptions  </li></ul><ul><li>Gently sloping mountain </li></ul>
Mauna Loa Earth's Largest Volcano
cinder cone volcano <ul><li>explosive eruptions </li></ul><ul><li>ash, cinders & bombs </li></ul><ul><li>cone-shaped hill ...
<ul><li>Paricutin in Mexico </li></ul>
composite volcano  <ul><li>tall cone shaped mount. </li></ul><ul><li>quiet eruptions (lava) alternate w/ explosive eruptio...
 
lava plateau <ul><li>layers of thin, runny lava build up high level area </li></ul>
caldera <ul><li>huge hole left by collapse of volcanic mount. </li></ul>
soils from lava & ash <ul><li>fertile (rich) soil </li></ul><ul><li>plants grow well </li></ul>
Landforms  From  magma Volcanic neck dike sill batholith Dome  mountain
Volcanic neck <ul><li>When magma hardens in volcano’s pipe </li></ul>
dike <ul><li>Magma that forces itself across rock layers  </li></ul>
sill <ul><li>magma squeezes between horizontal layers of rock </li></ul>
batholith <ul><li>large mass of rock forms when magma cools in crust </li></ul>
Dome mountain <ul><li>hardened magma  </li></ul><ul><li>forms when uplift pushes batholith toward surface </li></ul>
geothermal activity hot  springs geyser geothermal  energy
hot springs <ul><li>formed when groundwater is heated by nearby body of magma or hot rock underground </li></ul>
 
geyser <ul><li>Fountain of water & steam that erupts from ground  </li></ul>
geothermal energy <ul><li>water heated by underground source   creates steam   energy </li></ul>
<ul><li>What is this volcano made of? How do geologists classify a volcano made of these materials?             </li></ul>...
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6th Grade Ch. 3 Sec. 4 Volcanic Landforms

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Transcript of "6th Grade Ch. 3 Sec. 4 Volcanic Landforms"

  1. 1. Ch. 3 Sec. 4 Volcanic Landforms
  2. 2. landforms from lava & ash shield volcano cinder cone volcano composite volcano lava plateau caldera
  3. 3. shield volcano <ul><li>Quiet eruptions </li></ul><ul><li>Gently sloping mountain </li></ul>
  4. 4. Mauna Loa Earth's Largest Volcano
  5. 5. cinder cone volcano <ul><li>explosive eruptions </li></ul><ul><li>ash, cinders & bombs </li></ul><ul><li>cone-shaped hill </li></ul>
  6. 6. <ul><li>Paricutin in Mexico </li></ul>
  7. 7. composite volcano <ul><li>tall cone shaped mount. </li></ul><ul><li>quiet eruptions (lava) alternate w/ explosive eruptions (ash) </li></ul>
  8. 9. lava plateau <ul><li>layers of thin, runny lava build up high level area </li></ul>
  9. 10. caldera <ul><li>huge hole left by collapse of volcanic mount. </li></ul>
  10. 11. soils from lava & ash <ul><li>fertile (rich) soil </li></ul><ul><li>plants grow well </li></ul>
  11. 12. Landforms From magma Volcanic neck dike sill batholith Dome mountain
  12. 13. Volcanic neck <ul><li>When magma hardens in volcano’s pipe </li></ul>
  13. 14. dike <ul><li>Magma that forces itself across rock layers </li></ul>
  14. 15. sill <ul><li>magma squeezes between horizontal layers of rock </li></ul>
  15. 16. batholith <ul><li>large mass of rock forms when magma cools in crust </li></ul>
  16. 17. Dome mountain <ul><li>hardened magma </li></ul><ul><li>forms when uplift pushes batholith toward surface </li></ul>
  17. 18. geothermal activity hot springs geyser geothermal energy
  18. 19. hot springs <ul><li>formed when groundwater is heated by nearby body of magma or hot rock underground </li></ul>
  19. 21. geyser <ul><li>Fountain of water & steam that erupts from ground </li></ul>
  20. 22. geothermal energy <ul><li>water heated by underground source  creates steam  energy </li></ul>
  21. 23. <ul><li>What is this volcano made of? How do geologists classify a volcano made of these materials?            </li></ul><ul><li>What is the feature labeled A in the diagram? What is the feature labeled B? How do these features form?            </li></ul><ul><li>What is the feature labeled C in the diagram? If this feature becomes plugged with hardened magma, what could happen to the volcano? Explain.            </li></ul><ul><li>What is the feature labeled D in the diagram? What can you infer about this feature if the volcano becomes dormant?            </li></ul>
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