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| Subject: | | Re: Exploding fused coal caused Permian Extinction?. |
| From: | |
Andromache
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posted
Fri, Nov 6 2009, 7:10pm
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Great link,RMM.It presents an intriguing and probable alternative theory;I was getting rather tired of the repeated meteor strikes;) |
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| Subject: | | Re: Exploding fused coal caused Permian Extinction?. |
| From: | |
Rainbow Medicine Man
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posted
Sat, Nov 7 2009, 1:25am
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Still theres a transfond of meteor strike, they say about one cracking the crust and starting the lava floods and vulcanism...
Something is clear (duh!), it was a sudden (in geological times, that is) event. For what I've read, all extinction events are, even the one we're experiencing now. Catastrophical...
Not long ago, a methane hydrate release was suggested. I guess they're found an increase of CO2 at the time... |
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| Subject: | | Re: Exploding fused coal caused Permian Extinction?. |
| From: | |
Andromache
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posted
Sat, Nov 7 2009, 7:26pm
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What I wanna ask those theorists is this:where would you get the hypothetical methylene hydrate to be released?'Cause it seems relatively rare in the biome as we know it,at least in sufficient quantities to change the environment. |
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| Subject: | | Re: Exploding fused coal caused Permian Extinction?. |
| From: | |
Rainbow Medicine Man
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posted
Sun, Nov 8 2009, 2:25am
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Good morning, Andromache. May you have a nice day...
There is more carbon in methane hydrate than both in coal AND oil reserves combined...little know fact.
What happens is that it is not readily accesible; it is only stable at the Ocean's bottom pressure and temperature combo.
As I see it, the Planet formed from condensation of a cloud, and the gravitatinal enrgy releases insured it was on melted form; the gases escaped, iron and heavy metals sunk to the nucleus and a silicate layer floated on the surface of it all. No organics or volatiles...then, when it cooled, meteoric bombardement added the water, the carbon and the hydrocarbons. That is still on the crust and seeping thru towards the outside. The action of bacteria at some depth under the crust produces methane, when releases on the surface it joins the carbon cycle, when released on the Ocean's bottom it combins with the water and produces the methane hydrates. There are gigantic fields of methane hydrates stored deep under and waiting for a temperature rise to release them...
Burps of Death |
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| Subject: | | Re: Exploding fused coal caused Permian Extinction?. |
| From: | |
Andromache
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posted
Sun, Nov 15 2009, 7:38pm
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Dang,I see now.I was confusing it with hydrogen sulfide for a moment there.Hydrogen sulfide escaping into the atmosphere in that kind of cubic volume could have been devastating... |
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