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Thousand Of New Volcanoes Revealed Beneath The Waves
New Scientist ^ | 7-9-2007 | Catherine Brahic

Posted on 07/09/2007 2:56:55 PM PDT by blam

Thousand of new volcanoes revealed beneath the waves

10:04 09 July 2007
NewScientist.com news service
Catherine Brahic

The true extent to which the ocean bed is dotted with volcanoes has been revealed by researchers who have counted 201,055 underwater cones. This is over 10 times more than have been found before.

The team estimates that in total there could be about 3 million submarine volcanoes, 39,000 of which rise more than 1000 metres over the sea bed.

"The distribution of underwater volcanoes tells us something about what is happening in the centre of the Earth," says John Hillier of the University of Cambridge in the UK. That is because they give information about the flows of hot rock in the mantle beneath. "But the problem is that we cannot see through the water to count them," he says.

Satellites can detect volcanoes that are more than 1500 m high because the mass of the submerged mountains causes gravity to pull the water in around them. This creates domes on the ocean's surface that can be several metres high and can be detected from space.

Data overload

But there is a multitude of small volcanoes that have gone undetected. The only way of identifying them is to manually find their outline on sonar measurements taken from ships.

(Excerpt) Read more at environment.newscientist.com ...


TOPICS: News/Current Events
KEYWORDS: catastrophism; geology; seamount; seamounts; underwater; volcano; volcanoes; waves
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To: uglybiker

Oh NOOOOOOOOOOOOOOOOOOOOOOOOOOOO!!!!!!!!!!!!!!!!


41 posted on 07/09/2007 5:16:12 PM PDT by bmwcyle (Satan is working both sides of the street in World Socialism and World Courts.)
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To: bmwcyle
To be followed shortly by...


42 posted on 07/09/2007 5:21:17 PM PDT by uglybiker (relaxing in a luxuriant cloud of quality, aromatic, pre-owned tobacco essence)
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To: uglybiker

That Northern Hemisphere Global Warming known as Summer will kill us all.


43 posted on 07/09/2007 5:24:14 PM PDT by bmwcyle (Satan is working both sides of the street in World Socialism and World Courts.)
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To: advertising guy

Rivers have been dumping dissolved salts from land into the oceans, for billions of years.


44 posted on 07/09/2007 8:53:13 PM PDT by CarrotAndStick (The articles posted by me needn't necessarily reflect my opinion.)
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self-ping.


45 posted on 07/09/2007 8:54:36 PM PDT by SunkenCiv (This tagline optimized for the Mosaic browser. Profile updated Monday, July 9, 2007.)
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To: CarrotAndStick

prove it...saying it don’t prove it so.


46 posted on 07/09/2007 8:59:18 PM PDT by advertising guy (If computer skills named us, I'd be back-space delete.)
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To: advertising guy

http://en.wikipedia.org/wiki/Black_salt

This salt is dug up from the ground. It has way too high a sulphur content for it to have been underground reserves of dried-up ancient seas.

This isn’t to be confused with halite, which is sodium chloride from underground deposits.


47 posted on 07/09/2007 9:11:17 PM PDT by CarrotAndStick (The articles posted by me needn't necessarily reflect my opinion.)
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To: CarrotAndStick

good dd’s but you did not prove 30 k years science fact much less a billion as quoted by you


48 posted on 07/09/2007 9:14:14 PM PDT by advertising guy (If computer skills named us, I'd be back-space delete.)
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To: CarrotAndStick

I’m truely not being advesarial. A million or a billion years ago.........cannot science fact be proven


49 posted on 07/09/2007 9:15:27 PM PDT by advertising guy (If computer skills named us, I'd be back-space delete.)
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To: Sundog
There are massive gold deposits around those geothermal vents...

As soon as Bush signs LOST you'll be able to get a gold recovery permit from the UN.

50 posted on 07/09/2007 9:15:39 PM PDT by kitchen (Hey, Pericles. What are the three things a ruler must know?)
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To: advertising guy

Come again, I didn’t get what you were asking last...


51 posted on 07/09/2007 9:17:59 PM PDT by CarrotAndStick (The articles posted by me needn't necessarily reflect my opinion.)
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To: 75thOVI; AFPhys; Alice in Wonderland; AndrewC; aristotleman; Avoiding_Sulla; BenLurkin; Berosus; ...
 
Catastrophism
· join · view topics · view or post blog · bookmark · post new topic ·

52 posted on 07/09/2007 9:29:11 PM PDT by SunkenCiv (This tagline optimized for the Mosaic browser. Profile updated Monday, July 9, 2007.)
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To: advertising guy

Sodium (for the sodium chloride, common table salt, which is the most abundant in the oceans) could have reached the waters from the rocks of the Earth, but chlorine is much rarer, and may be extraterrestrial in origin (not ET, just from debris hitting the Earth).

Small Comets and Our Origins
University of Iowa | circa 1999 | Louis A. Frank
Posted on 10/20/2004 2:13:25 AM EDT by SunkenCiv
http://www.freerepublic.com/focus/f-bloggers/1250694/posts


53 posted on 07/09/2007 9:48:00 PM PDT by SunkenCiv (This tagline optimized for the Mosaic browser. Profile updated Monday, July 9, 2007.)
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To: SunkenCiv

so enuf comets of sodium all at a soon enuf time to salinate the ocean, why are they not still acomin asalinating?


54 posted on 07/09/2007 10:01:48 PM PDT by advertising guy (If computer skills named us, I'd be back-space delete.)
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To: advertising guy
"Why are the oceans salty?..."

Bright Bank, and underwater salt dome on the continental shelf of the Gulf of Mexico, showing relative height above the seafloor, or depth below the surface of the ocean. The warm colors are highest (or shallowest) and the cold colors are lowest (or deepest).

55 posted on 07/10/2007 3:26:06 AM PDT by Fred Nerks (Fair dinkum!)
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To: blam
Underwater asphalt living

In 1971, petroleum geologists in the southern Gulf of Mexico took a bizarre photograph near the Campeche Knolls oilfield, a region where the evaporite deposits below the seafloor have warped up into domes. The photo seemingly showed a small patch of asphalt covering the seafloor. Such an exposure, however, would mean that hot tar was erupting in the deep, cold Gulf, far from any spreading center or ridge — a scenario unheard of at the time.

At the edges of the flow field at Chapopote in the southern Gulf of Mexico, small clusters of tubeworms grow under eroded asphalt deposits, along with living bivalve shells and galatheid crabs. Photos by Ian MacDonald, Texas A&M University, Corpus Christi.


56 posted on 07/10/2007 3:30:12 AM PDT by Fred Nerks (Fair dinkum!)
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To: advertising guy

They are.


57 posted on 07/10/2007 9:03:14 AM PDT by SunkenCiv (Profile updated Monday, July 9, 2007. https://secure.freerepublic.com/donate/)
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To: blam
That system has been used for decades to seek/see the 'budge' of underwater submarines.

I know that. You miss the point that such instruments are incapable of measuring an overall average. That would be defined as the surface of a sphere which represents the surface of the ocean when all distorting factors are removed. Those factors include tides, gravitational bulges, rotational bulge, seismic effects, wind, and atmospheric pressure. In addition plate tectonics which cause the continents to move laterally also cause the apparent surface of the land masses to move up and down further obscuring the measurement. All of these effects impact the actual ocean surface and cause it to vary from the oblate spheroid which represents the average.

Why do we need to know the average? So that we can then measure any change as predicted by global warming theory. The GW crowd has been throwing around numbers ranging from fractions of an inch to twenty feet or more. Granted that if sea level were to raise 20 feet you'd notice. I believe the actual change will prove to be much less and therefore likely to fall within the range of uncertainty with which the actual average is known.

Regards,
GtG

58 posted on 07/10/2007 11:28:46 AM PDT by Gandalf_The_Gray (I live in my own little world, I like it 'cuz they know me here.)
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To: SunkenCiv; advertising guy
"They are."

I'll say. Here's our latest large one.

Ice Age Ends Smashingly: Did a comet blow up over eastern Canada?

59 posted on 07/10/2007 1:06:31 PM PDT by blam (Secure the border and enforce the law)
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To: blam

Thanks Blam. I think there’s an FR topic about that?


60 posted on 07/11/2007 12:25:48 PM PDT by SunkenCiv (Profile updated Monday, July 10, 2007. https://secure.freerepublic.com/donate/)
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