Try harder.
Oldest crustal formation
- Thread starter Vkothii
- Start date
Does not address the point.
Ignores the existence of cold dense zones in the mantle near subduction zones, as observed through seismoc tomography.
The Asthenosphere near a spreading ridge is provably hot.
The Asthenosphere near a trench is provably cold.
Lateral convection happens.
This quote also appears to make several false claims - for example, andesitic back arc vulcanism requires differential melting - something that is provided for in subduction.
How long is a piece of string?
Seriously though... How long does it take something moving at 15 cm/yr to move 300 km?
Beats me.
I imagine that's determined by, among other things, mantle physics.
This is a false claim, based on a mis conception - clearly the pacific ocean has shrunk by over 20% as the Atlantic has opened.
Having said that, there are two (obvious) possible futures at this point. The atlantic continues to expand until the pacific is closed off, or largely closed off, resulting in North West America merging with North East Asia.
Or.
The currently passive continental margins of the atlantic become active subduction zones (there is some evidence this may already be happening in the south atlantic) then, which ever closes comes down to which is spreading faster.
Are you suggesting that the Mantle is Granitoid?
Actually, you've got this completely around the wrong way.
Continental crust has a high granite content, and is less dense than Oceanic crust, that's why it tends to sit higher.
But tell me something, if the mantle is granitoid, then how does it produce an ultra mafic magma?
You keep saying this, but it's wholy irrelevant.
Are you denying the existence of Oceanic trenches?
Are you denying the trend so clearly demonstrated in the data I have presented you?
And for at least the Fourth time, spreading alone is insufficient. Especially not when earthquake data from spreading ridges reveals a different trend.
I can promise you that the oceanic trench in question is NOT a spreading ridge.
That's not what's been suggested here.
This is a strawman, and an appeal to ignorance.
What's the volume of a 20 km wide asteroid compared to the volume of the earth? Insignifcant.
What's the mass of a 20 km wide asteroid compared to the earth? Insignifcant.
How many 20 km wide asteroids have hit the earth in the last 620 million years? A handfull (it's an extinction event).
"Runcorn [1964, 1966] showed how paleotidal and paleorotational data can be used to explore whether Earth’s moment of inertia has changed over geological time. Such analysis also can examine whether Earth’s radius has increased significantly with time, as required by the hypothesis of Earth expansion, because Earth’s moment of inertia would increase with secular increase in radius." George E Williams, 1999.
"The late Neoproterozoic rhythmite data do not support significant change in Earth’s moment of inertia and radius over the past 620 Myr." - George E Williams, 1999.
The same could be said of you.
Given that you regularly resort to lying, abuse, quoting out of context, or quoting factually inaccurate articles written by questionable authors.
Clearly you don't understand seismology. I happen to know the best seismologist in the world, namely Stavros T. Tassos, at the National Observatory of Athens, and he clearly disagrees: http://aapg.confex.com/aapg/2007int/techprogram/A113674.htm
Of course that's no surprise since you aren't a scientist.
ROFL.
What evidence? In the Quran?
Granite is under the basalt...
Your geological ignorance is amusing.No. I deny they subduct.
Yes. What you call data I call mythology.
Why? How do you know the Earth isn't growing? Because you read it in the Quran?
You don't understand earthquakes: http://www.cprm.gov.br/33IGC/1284030.html
You say that as though your promises mean something to me.
Ah I see. Meteorites have no mass. Very scientific.
Clearly you don't understand seismology. I happen to know the best seismologist in the world, namely Stavros T. Tassos, at the National Observatory of Athens, and he clearly disagrees: http://aapg.confex.com/aapg/2007int/techprogram/A113674.htm
Of course that's no surprise since you aren't a scientist.
ROFL.
What evidence? In the Quran?
Granite is under the basalt...
No. I deny they subduct.
Yes. What you call data I call mythology.
Why? How do you know the Earth isn't growing? Because you read it in the Quran?
You don't understand earthquakes: http://www.cprm.gov.br/33IGC/1284030.html
You say that as though your promises mean something to me.
Ah I see. Meteorites have no mass. Very scientific.
Oh good god.
When i'm feeling more polite, I might reply to this in detail, but for now I have nothing more to say to a lying ignorant zealous religous fundamentalist, as demonstrated by the bolded portions.
This post of OIM represents nothing more then a sreies of orchestrated lies and fallacies.
I did not say that Meteorites have no mass, I said their mass was neglibile when compared to that of the earth.
Average density of (solid) Granite: 2.69
Average density of (solid) Basalt: 3.01
http://www.simetric.co.uk/si_materials.htm
IN the area those previous maps were done, the Pacific plate is moving (approx) North West at 82 cm/yr, and the Indo-australian plate is moving (approx) north at 63 cm/yr.
http://elainemeinelsupkis.typepad.c...2007/04/02/tectonic_plate_movements_earth.jpg
geologyrocks
Registered Senior Member
For the world's best seismologist, he doesn't have much of a publication record...I found one paper, using ScienceDirect, he has authored back in 1992. He's even last author on that paper.
Where are the peer-reviewed papers if his ideas are so worthwhile? Just some food for thought...
Try using Google. It works wonders.
Where are your peer reviewed papers? Where are Trippy's?
If 50 million fundamentalists peer review a paper that says there is no continental drift, does that mean there is no continental drift?
If the cardinal peers say the heavens are unchanging, does that discredit Galileo?
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That's one of the most mature, rational, well thought out, and thorough arguments I've seen for PT.
It's a better idea than asking a moron a question about geodynamics.
Does anyone (who isn't a babbling moron) know how much matter the earth loses into space every year? Or what the amount that's added from space is?
The figures would be estimates, natch.
(Only a moron surely, could think we might track the amounts somehow.)
Does anyone (who isn't a babbling moron) know how much matter the earth loses into space every year? Or what the amount that's added from space is?
The figures would be estimates, natch.
(Only a moron surely, could think we might track the amounts somehow.)
For anyone else besides Trippy who thinks meteorites have no mass and are "insiginificant" see here: http://oilismastery.blogspot.com/2008/09/mass-accretion-on-mars-more-evidence.html
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I'm curious. How does someone develop such a deep and troubling psychosis involving such a relatively esoteric subject as PT?
It's apparently anywhere from 1000 to 40000 tons per year. That's fairly precise, don't you think?
right...so the evidence i've been spoonfeeding you isn't enough?
You want references?
Fine. Here's peer reviewed literature that deals with mantle convection:
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Here's some more general references that relate to mantle convection:
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Anderson, D. L., Theory of the Earth, Blackwell Scientific Publications, Boston, pp. 366 (1989). [Chapter 8 is relevant to irreversible stratification of mantle and low U in the lower mantle.]
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http://jspc-www.colorado.edu/~szhong/mantle.html
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Should I go on? Or are you willing to concede that I can cite a wider range of peer reviewed literature to support my argument then you can?
So much for no evidence.
That's not what I said you lying dishonest ########!
I specificaly stated that they were insignificant in mass when compared to the earth. The all important piece of context that you leave out.
And yeah, a few Gigatons is pretty insignificant when compared to compared to a few million million gigatons.
Ceres, the largest body in the Asteroid belt has a mass 4 orders of magnitude less than that of the earth (one ten thousandth).
Once again, you try and humiliate or antagonize me only to prove your own lack of basic numeracy skills.
I'm glad. Nor do I. It's sarcasm.
The point, though, is that the total amount of matter making up the planet varies, because some is lost and gained constantly.
Yet there is zero evidence the overall mass is changing noticeably. So an expanding earth hypothesis needs to get around that little problem, too.
Yet there is zero evidence the overall mass is changing noticeably. So an expanding earth hypothesis needs to get around that little problem, too.
Right.