Volcanoes

Card Set Information

Author:
jo73
ID:
311642
Filename:
Volcanoes
Updated:
2015-11-17 17:36:41
Tags:
ads
Folders:
asdf
Description:
ads
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user jo73 on FreezingBlue Flashcards. What would you like to do?


  1. Two factors that influence viscosity of lava
    • Temperature of lava relative to it solidification point
    • silica content
  2. Basalt lava has less silica and flow easily
    andesites and rhyolites contain lots of silica and flow sluggish
  3. Shield volcanoes
    broad gently sloping cones made of solidified lava flows
  4. Composite Volcanoes
    • Intermediate steepness¬†
    • composed of alternating layers of pyroclastic material and solidified lava
  5. Dome complexes
    • type of composite volcano¬†
    • high silica content
    • moon-shaped growth resulting form eruption of high-silica lava
  6. Pyroclastic Flows
    very hot, fine-grained ash and lava fragments that travel at hurricane speeds
  7. Lahore
    Volcanic Mud flow
  8. Cinder Cones
    • Constructed from loose rock fragments ejected from the central vent
    • steep-sided with slopes of 30 degrees
    • dust and ash

What would you like to do?

Home > Flashcards > Print Preview