Water in Mantle May be Associated with Subduction (More water below oceans than in?)

Oregon State University ^ | August 19, 2009 | Unknown

[ErnstStavroBlofeld]

Thanks for the minor correction

:)

[ErnstStavroBlofeld]

The faults of the LA Basin are different than the subductions zones. The subduction zone which one tectonic plate moves under another tectonic plate, sinking into the Earth’s mantle as the plates converge.The ones in the LA Basin is called a stike slip and thrust faults. A strike slip fault is a fracture formed where two parts of the earth’s crust (plates) slide past each other. The ones underneath Los Angeles is a blind thrust fault.If the fault plane terminates before it reaches the Earth’s surface, it is referred to as a blind thrust fault. Because of the lack of surface evidence, blind thrust faults are difficult to detect until they rupture.

[ErnstStavroBlofeld]

Those two types faults are the most common in North America.

[ErnstStavroBlofeld]

There is one thrust fault running from Dodger Stadium underneath Downtown Los Angeles straight down to Long Beach that is capable of producing a 7 plus earthquake. It called the Puente Hills Fault. It was discovered after the 1994 earthquake.

[Ernest_at_the_Beach]

Ugh!

San Diego SuperComputer visualization Services....Puente Hills

***********************EXCERPT*******************

Puente Hills Fault posses a disaster threat for Los Angeles region. Earthquake simulations on this fault estimate damages over $250 billion. The research was conducted by U.S. Geological Survey (USGS) and Southern California Earthquake Center (SCEC). More information about the study could be found at the SCEC research webpage .

Visualizations created by using the data computed from earthquake simulations helps one to fathom the propagation of siesmic waves and the areas affected. Animations were created using SDSC's Vista volume renderer, Alias's Maya and Adobe's After Effects.

[raygun]

How hot does water have to be at the bottom of the Marianas Trench to become steam?

I’d suggest it IS liquid.

[raygun]

That's what they said about the petroleum that's being perpetually renewed beneath ground too.

Except for one thing, the only thing they can find in fumeroles is steam and CO₂ Which, according to proponents is good, because the pressure and associated heat breaks complex hydrocarbons down to what?

O.K., but now there's a whole new fly being rubbed into this oinkment.

Frankly, I see two scientific theories in collision.

[ErnstStavroBlofeld]

If the Puente Hills decides to move it would be more destructive than a movement on the San Andreas. The reason why because the fault will rupture underneath Downtown Los Angeles. Those buildings were not designed for that type of earthquake. I pass the rupture point of the 1994 earthquake twice a week and you can see the the rupture point 15 years afterward

[raygun]

Ya think? What ‘bout all the sludge falling down from on high in the oceans mixed in with all the subducted water.

What’s that stuff that’s in the oil shale, that needs that really difficult refining process, carotene or something.

I don’t know. Its interesting. That’s how science works.

I heard tell that science without religion is misguided and religion without science is blind. I think that everybody needs to stake a claim to that thinking; atheists don’t believe in the coin, agnostics are the edge of the coin, and then there are the two opposing faces to a coin.

[djf]

Well, maybe I’m reading it wrong. But the whole concept here seems to be that as the crust subducts and plunges down, it carries with it liquid water itself as well as large amounts of water trapped in crystalline lattices (limestone/concrete type materials).

So I didn’t think they were talking about gaseous water.

That’s all.

[AndrewC]

Scientists at The University of Manchester have uncovered the first evidence of seawater deep inside the Earth shedding new light on the fate of the planet’s oceans, according to research published in Nature (May 11, 2006).

Wow, I have to chew on this for a while....

Professor Ballentine added: "Our results also explain why ocean volcanoes, like Hawaii and Iceland, which come from the where the mantle meets the core, have a higher water content than ocean volcanoes that originate from shallower regions of the mantle. Previously, geologists have thought that this is because this region of the planet preferentially preserved water and gasses trapped during earth formation and it is only now 'leaking out'. We know however that if seawater subduction is occurring, it will be carried more efficiently into the deepest parts of the earth, and that contrary to these old ideas, the water in the lavas from Hawaii and Iceland are in fact dominated by old seawater that has travelled from the surface, to the center of the earth and back again."

[ApplegateRanch]

Why doesn't it reveal itself?

Drill, baby; DRILL! Drill there; drill now!

[ErnstStavroBlofeld]

Maybe a new Project Mohole. If anyone knows what that project was it was an attempt to drill through the Earth's crust to the boundary between the crust and the mantle. The drilling was to begin at the ocean bottom because this is where the crust is at its thinnest.They never completed it because it ran into cost over runs. The deepest they got was something around 600 feet below the ocean's floor in 11,000 feet of water.

[null and void]

Yep. I caught my error and corrected it in a later post.

But now that you mention it,

~10 km water -> ~1000 atm -> 945°C boiling point.

That’s for pure water, adding salts and minerals increases the boiling point.

The pressure under a mile or so of rock would be MUCH higher...

[null and void]

Frankly, I see two scientific theories in collision.

Yeah! It's a beautiful thing!

[Squidpup]

http://www.creationscience.com/onlinebook/HydroplateOverview2.html

[fishtank]

http://www.google.com/#hl=en&source=hp&q=%22john+Baumgardner%22+subduction&aq=f&aqi=&oq=&fp=4bb1eec54ca89dc

[colorado tanker]

Of course there’s water in the earth. Otherwise there couldn’t be a lost world in the center.

[ApplegateRanch]

Successor program:

Scientists Aboard Drilling Vessel Recover Rocks from Earth’s Crust Far Below Seafloor

April 5, 2005

Scientists affiliated with the Integrated Ocean Drilling Program (IODP) and seeking the elusive “Moho”—the boundary, which geologists refer to as the Mohorovicic discontinuity, between Earth's brittle outer crust and its hotter, softer mantle—have created the third deepest hole ever drilled into the ocean bottom’s crust.

[snip]

From the ocean drilling vessel, JOIDES Resolution, the researchers recovered rocks from more than 4,644 feet (1416 meters) below the sea floor that will provide valuable information about the composition of the Earth. And despite coming up short, “This is one of the best efforts to date,” said Rodey Batiza, NSF program director for ocean drilling, “to drill into ocean crust and find mantle. It will provide important clues on how ocean crust forms.”
[end excerpt]

Earth's elusive mantle is a near miss They may be using the wrong approach...there are better ways:

[ErnstStavroBlofeld]

Thanks for the information. I am bookmarking this.

:)