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#1 |
Orodruin's Flame
Join Date: Jan 2004
Location: Kananaskis, AB
Posts: 1,194
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Pyroclastic Flow
Now, maybe this is an geological error we can just look past..
However, Mt. Doom did errupt to quite a extent... I was wondering why there was no Pyroclastic Flow... Of course if there were everyone within a few miles would have been killed. BUt of course that couldnt happen! Any Ideas... or plausible answers to why there wasnt one?
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Council of Entmoot - Foreign Affairs Minister - 2004-05 Visit the Ye Olde Avatar Shop and The New One Dont tell me what I cannot do Two men are on a Island, they both see a "monster", one sees a bright light, and the other sees a dark cloud My name bares no reference to the music artist. |
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#2 |
Elven Warrior
Join Date: Jan 2005
Posts: 421
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I am not sure what a Pyroclastic Flow is, but I think that since the eruption was triggered by the melting of the ring (my interpretation), it was not quite a normal eruption.
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#3 |
The Chocoholic Sea Elf Administrator
Join Date: Jan 2002
Location: N?n in Eilph (Belgium)
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If I have my terms and definitions right (language barriers can be so frustrating) than a pyroclastic flow doesn't occur with every type of eruption.
Besides, I'm thinking volcanology is a pretty young science and a lot of the mechanics of volcanoes is new knowledge. Pyroclastic flows might not even have been discovered yet when LoTR was written.
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#4 | |
Elven Warrior
Join Date: Jun 2004
Location: In the kitchen ...... still!
Posts: 228
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#5 |
Elf Lord
Join Date: Mar 2004
Location: LI-woods, NY
Posts: 653
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Pardon my ignorance, but I'm not geologist and have no idea what PYROCLASTIC FLOW means.
Would you care to explain it, so us, mere mortals, would be able to discuss such high matter? ![]() ![]() |
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#6 |
Lady Tipple & Queen of Blessed Thistle
Join Date: Sep 2004
Location: I've been told it's all in my head
Posts: 916
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A pyroclastic flow is a fluidized mixture of solid to semi-solid fragments and hot, expanding gases that flows down the flank of a volcanic edifice. These awesome features are heavier-than-air emulsions that move much like a snow avalanche, except that they are fiercely hot, contain toxic gases, and move at phenomenal, hurricane-force speeds, often over 100 km/hour. They are the most deadly of all volcanic phenomena
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#7 | ||
The Chocoholic Sea Elf Administrator
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Quote:
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#8 | |
Entmoot Attorney-General,
Equilibrating the Scales of Justice, Administrator ♎ Join Date: Jan 2003
Location: Stockholm, Sweden
Posts: 3,891
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Quote:
Volcanos can errupt in many different ways and Frodo and Sam were lucky that the erruption didn't cause a pyroclastic flow.
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#9 | |
Mootis per forum
Administrator Join Date: Dec 1999
Location: Spain
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#10 |
Shape-shifting, men-grabbing NAZGUL
Join Date: Apr 2005
Location: Mirkwood
Posts: 796
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Guys, what are you speaking about?
Have you forgotten that we are in a land of speaking dragons, fiery Barlogs, evil octopuses, flying carnovorous lizards, immortal elves, sturdy dwarves and little hobbits? ![]() Why are you so surprised that a RING-INDUCED explosion had not produced a pyro(whatever) flow?? ![]() |
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#11 | |
Lady Tipple & Queen of Blessed Thistle
Join Date: Sep 2004
Location: I've been told it's all in my head
Posts: 916
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Quote:
![]() *suddenly a pyroclastic flow of milk errupts from EB's nose*
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#12 | |
Orodruin's Flame
Join Date: Jan 2004
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Quote:
Ive always had a thought at the back of my mind that the ring can only be destroyed at mount doom because its a furnace that no other place can create. The metal/alloy used obviously has a high melting point. ![]() I was mearly pointing out if Mt.Doom was erupting - it didnt do so properly. lol
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Council of Entmoot - Foreign Affairs Minister - 2004-05 Visit the Ye Olde Avatar Shop and The New One Dont tell me what I cannot do Two men are on a Island, they both see a "monster", one sees a bright light, and the other sees a dark cloud My name bares no reference to the music artist. |
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#13 | |
The Chocoholic Sea Elf Administrator
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#14 | |
Orodruin's Flame
Join Date: Jan 2004
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Below is a diagram of what it looks like. I thought all volcanos have them when they errupt.
Quote:
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Council of Entmoot - Foreign Affairs Minister - 2004-05 Visit the Ye Olde Avatar Shop and The New One Dont tell me what I cannot do Two men are on a Island, they both see a "monster", one sees a bright light, and the other sees a dark cloud My name bares no reference to the music artist. |
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#15 |
Elf Lord
Join Date: Jun 2002
Location: Durham, England
Posts: 694
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I'm not a vulcanologist but I know a couple and have chatted to them.
My understanding is this: Volcanoes erupt in different ways, depending on things like how old they are and what sort of lava comes out of them. A pyroclastic flow needs a prolonged, intense eruption. The heat generated causes enough of an up force to hold a column of heavier-than-air ash and gas above the volcano. At some stage the eruption slows - at this point the heat generated is not enough to hold the column up. It collapses down onto the volcano, and depending on the wind direction and geographical features, flows down the slopes like a very hot, very fast and very fatal avalanche.
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#16 |
Sapling
Join Date: Jan 2003
Location: Victoria BC Canada
Posts: 14
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![]() Well an example of this is the aftermath of what happened when Mount St.Helens blew back in 1980. The flows there melted ice and snow and caused massive flooding down the south Tootle river .
And the volcanoe in LOTR lives in a l;and where just about anything can happen . I am always suprised to see Frodo & Sam out run lava in the movie version . still a good tale ![]()
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#17 |
An enigma in a conundrum
Join Date: Oct 1999
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![]() ..hmmm, it was a movie and was cut down to keep people IN theatres, so maybe it wound up on the cutting room floor :
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#18 | |
"The Bomb"
Join Date: Apr 2003
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![]() But Draken's information helps, I think. I think of the eruption as some violent, spiteful response to the Ring's destruction--perhaps a manefestation of its extreme evil being suddenly dispersed, or Sauron communicating his last breath (nnnNNNNNOOOOOObshsbbsbshhhshshshshsshsBOOOOOMmm!! ! ![]()
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