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Author Question: Over what time span does a typical cinder cone form? What will be an ideal ... (Read 57 times)

yoooooman

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on: Jul 14, 2018
Over what time span does a typical cinder cone form?
 
  What will be an ideal response?

Question 2

How does the composition and viscosity of lava flows differ between composite volcanoes and shield volcanoes?
 
  What will be an ideal response?


fraziera112

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Reply #1 on: Jul 14, 2018
Answer to Question 1

Most cinder cones are produced by a single, short-lived eruptive event. One study found that half of all cinder cones examined were constructed in less than one month and that 95 percent formed in less than one year.

Answer to Question 2

Composite volcanoes are mostly formed from thick, viscous, andesitic composition lava, whereas shield volcanoes are formed from runny, less viscous, basaltic composition lava.


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