When the cinder cone volcano is being explain (starting at about 50 seconds) the diagram shows a cross section of a multi-layer cone. At about 58 seconds the narrator says that cinder cones are usually formed from a single eruption. In that case, how does one account for the layering shown in the diagram? Are there multiple phases to that single eruption, with each phase producing a different type of material? Also, why would there only be a single eruption? What are the odds that all of the internal pressure and material will be released at once? It's not like it's going to suddenly get cold down there where all that heat came from.
Very keen eyes you have, I think it is a somewhat artistic license being used by the diagram, according to the source materials it is to illustrate layers of ash cooling and more landing on top, not necessarily over long periods. If you have a Google search about half are layered half are not.
Cinder cones generally generally have single eruptive episode. After an eruption has ended, the plumbing system connecting the magma source area to the vent is blocked by rock (e.g., solidified magma).
It is also worth noting that eruption events are not quick, they can last weeks or months, which is more than enough time for material to cool and form layers.
@@classroomnation-geography7445 Well, okay, but isn't "blocking of the plumbing system" the very condition that lets pressure build up until there is a gigantic explosion?
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You are really good, thanks for making me pass my exam
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sakurajima is definitely not a dormant vulcano, it is in fact one of the most active vulcanoes in the world and erupts almost every day.
Apologies, for the misinformation slipping I'm there.
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someone give this man an oscar for helping me pass my geography exam
You nice comment is plenty enough 😂, thank you. Please feel free to ask any questions if you have any.
talk about basic and acidic volcanos
More easily discribed
Volcanos are big holes in large mountains filled with the center of earth
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nice one indeed
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We have a quiz later with this lesson,wish me luck guys.
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When the cinder cone volcano is being explain (starting at about 50 seconds) the diagram shows a cross section of a multi-layer cone. At about 58 seconds the narrator says that cinder cones are usually formed from a single eruption. In that case, how does one account for the layering shown in the diagram? Are there multiple phases to that single eruption, with each phase producing a different type of material?
Also, why would there only be a single eruption? What are the odds that all of the internal pressure and material will be released at once? It's not like it's going to suddenly get cold down there where all that heat came from.
Very keen eyes you have, I think it is a somewhat artistic license being used by the diagram, according to the source materials it is to illustrate layers of ash cooling and more landing on top, not necessarily over long periods. If you have a Google search about half are layered half are not.
Cinder cones generally generally have single eruptive episode. After an eruption has ended, the plumbing system connecting the magma source area to the vent is blocked by rock (e.g., solidified magma).
It is also worth noting that eruption events are not quick, they can last weeks or months, which is more than enough time for material to cool and form layers.
I hope I answered you very good question
@@classroomnation-geography7445 Well, okay, but isn't "blocking of the plumbing system" the very condition that lets pressure build up until there is a gigantic explosion?
yey, calm voice!
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I’ve been failing and now I’m passing thanks!
I'm glad this helped, what course do you study so I can better help in the future?
I’m still in 8th grade so we are still learning different stuffs right now but if I ever need help I’ll make sure to open a request
Thnks,man....👍👍👍👍👍👌👌
Happy to help