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Gas-belching volcanoes may have killed dinosaurs
Reuters on Yahoo ^ | 3/20/08 | Ben Hirschler

Posted on 03/20/2008 1:49:58 PM PDT by NormsRevenge

LONDON (Reuters) - Gas-belching volcanoes may be to blame for a series of mass extinctions over the last 545 million years, including that of the dinosaurs, new evidence suggested on Thursday.

A series of eruptions that formed the Deccan Traps in what is now India pumped huge amounts of sulfur into the atmosphere 65 million years ago, with likely devastating repercussions for the Earth's climate, scientists said.

Gigantic eruptions, forming so-called "flood basalts," are one of two leading explanations for a series of mass extinctions that have killed off species periodically throughout history.

The other theory involves asteroid impacts -- generally considered the prime suspect in the case of the extinction of dinosaurs 65 million years ago.

There have been doubts about the killing power of volcanoes because, until now, researchers have struggled to measure just how much toxic gas would have been released.

But after finding rare inclusions of glass in the Deccan rock, a British-based team has found vital preserved information about its original gas content.

Writing in the journal Science, they concluded that the massive of amounts of both sulfur and chlorine released would probably have had a "severe" environmental impact.

"It certainly bolsters the case, though it doesn't prove it," Stephen Self, formerly of Britain's Open University and now senior volcanologist with the U.S. Nuclear Regulatory Commission, said in an interview.

"There have been several major mass extinctions and most of those have, uncannily, occurred while one of these huge flood basalt provinces was being formed."

The volcanoes may have spewed 10 times as much sulfur into the atmosphere every year as humans have done recently by burning coal in power stations and through other industrial activities.

The result would have been widespread acid rain and aerosols of sulfuric acid in atmosphere, cooling the surface of the Earth and upsetting normal patterns of circulation.


TOPICS: Culture/Society; Miscellaneous
KEYWORDS: catastrophism; chicxulub; deccantraps; dinosaurs; gasbelching; godsgravesglyphs; killed; samebsdifferentday; songanddance; volcanoes
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1 posted on 03/20/2008 1:49:58 PM PDT by NormsRevenge
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A photo of 500-meter-high stack of Deccan lava flows in the
Mahabaleshwar area of India. (Science/Handout/Reuters)


2 posted on 03/20/2008 1:50:48 PM PDT by NormsRevenge (Semper Fi ... Godspeed ... ICE’s toll-free tip hotline —1-866-DHS-2-ICE ... 9/11 .. Never FoRGeT)
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To: SunkenCiv

Solution?

Ban volcanoes.

Catastrophy Ping


3 posted on 03/20/2008 1:52:36 PM PDT by NormsRevenge (Semper Fi ... Godspeed ... ICE’s toll-free tip hotline —1-866-DHS-2-ICE ... 9/11 .. Never FoRGeT)
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To: NormsRevenge

How about astroid strikes that caused massive volcanic activity?


4 posted on 03/20/2008 1:53:38 PM PDT by wolfcreek (I see miles and miles of Texas....let's keep it that way.)
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To: NormsRevenge

Frankly, I think that they all started to believe that they were giving off too much methane, creating global warming, and decided to commit mass suicide to save the planet.


5 posted on 03/20/2008 1:54:01 PM PDT by SampleMan (We are a free and industrious people, socialist nannies do not become us.)
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To: wolfcreek

I would think that would be a very good possibility... depending where it hit..


6 posted on 03/20/2008 1:55:13 PM PDT by NormsRevenge (Semper Fi ... Godspeed ... ICE’s toll-free tip hotline —1-866-DHS-2-ICE ... 9/11 .. Never FoRGeT)
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To: wolfcreek

Doesn’t really matter.

Every stage of development of the Earth, from the oxygenation by algae, the era of the conifers, the era of the dinosaurs, etc,

all were for the _purpose_ of making a habital planet for human beings to thrive on and to discover the wonders of God’s universe from.

It is interesting to see how these things unfolded, though.


7 posted on 03/20/2008 1:55:50 PM PDT by MrB (You can't reason people out of a position that they didn't use reason to get into in the first place)
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To: NormsRevenge
Oh no global belching ... damn those SUV's ...

What's next global flatulation

8 posted on 03/20/2008 1:57:22 PM PDT by clamper1797 (Never ascribe to malice that which is adequately explained by incompetence)
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To: NormsRevenge

Where can I buy flood basalt insurance?
—— Mr. “T” Rex


9 posted on 03/20/2008 1:57:58 PM PDT by ZeitgeistSurfer
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To: NormsRevenge

This is exactly why people should be ticketed for flatulence— it’s just too dangerous.


10 posted on 03/20/2008 2:01:28 PM PDT by mikeus_maximus
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To: wolfcreek

India was once an island. Would the volcanic activity have coincided with the landmass colliding with Asia?


11 posted on 03/20/2008 2:02:34 PM PDT by CarrotAndStick (The articles posted by me needn't necessarily reflect my opinion.)
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To: NormsRevenge

I’ve got a better solution. Make countries that have volcanos buy carbon credits from algore’s company.


12 posted on 03/20/2008 2:04:54 PM PDT by skimask (Never argue with an idiot, they will drag you down to their level and beat you with experience)
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To: ZeitgeistSurfer

“Aye aye yi! Belchos giganticos!” Tyrannosaurus Mex


13 posted on 03/20/2008 2:05:03 PM PDT by tumblindice
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To: tumblindice

‘Meteors, volcanoes and floods. Oh, my.’


14 posted on 03/20/2008 2:11:08 PM PDT by onedoug
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To: NormsRevenge
If the one that hit the Yucatan about the time of the demise of the dinos, created a big enough and deep enough crater, I would assume magma and gases would have been released.
15 posted on 03/20/2008 2:11:34 PM PDT by wolfcreek (I see miles and miles of Texas....let's keep it that way.)
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To: CarrotAndStick

I’d say, “sure” but, I’m not THAT old.


16 posted on 03/20/2008 2:12:31 PM PDT by wolfcreek (I see miles and miles of Texas....let's keep it that way.)
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To: MrB

Or it was just blind luck. LOL!

You paint a lovely picture.


17 posted on 03/20/2008 2:14:24 PM PDT by wolfcreek (I see miles and miles of Texas....let's keep it that way.)
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To: wolfcreek

I don’t know in that instance how much of a penetration into the crust much less the outer or inner mantle occurred,, but it would sure seem like stuff would come popping up and out of that general vicinity.


18 posted on 03/20/2008 2:14:54 PM PDT by NormsRevenge (Semper Fi ... Godspeed ... ICE’s toll-free tip hotline —1-866-DHS-2-ICE ... 9/11 .. Never FoRGeT)
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To: NormsRevenge; blam; StayAt HomeMother; Ernest_at_the_Beach; 1ofmanyfree; 24Karet; 3AngelaD; 49th; ..

· join list or digest · view topics · view or post blog · bookmark · post a topic ·

 
Gods
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Thanks NormsRevenge! I think there was a recent topic about this, but this bogus explanation goes back at least as far as Dewey M., when Luis Alvarez was still around.

To all -- please ping me to other topics which are appropriate for the GGG list.
GGG managers are Blam, StayAt HomeMother, and Ernest_at_the_Beach
 

· Google · Archaeologica · ArchaeoBlog · Archaeology magazine · Biblical Archaeology Society ·
· Mirabilis · Texas AM Anthropology News · Yahoo Anthro & Archaeo ·
· History or Science & Nature Podcasts · Excerpt, or Link only? · cgk's list of ping lists ·


19 posted on 03/20/2008 2:26:47 PM PDT by SunkenCiv (https://secure.freerepublic.com/donate/______________________Profile updated Saturday, March 1, 2008)
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To: NormsRevenge

The Yucatan impact was 112 miles wide and 3000 ft. deep but, that event happened 330,000 yrs before the extinction of the Dinos. It’s likely a later impact effected their extinction according to National Geographic. I’m still going with the multiple cause theory.


20 posted on 03/20/2008 2:27:24 PM PDT by wolfcreek (I see miles and miles of Texas....let's keep it that way.)
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