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The immaturity of our understanding of great earthquakes and other types of geologic hazards, etc.
Maybe there should be.
You're making an unfounded assumption that every part of the crust must undergo subduction on a certain time scale but there is no such aspect to the plate tectonics model
No, not true. It has to be honest and true, and provable, not just believable. For instance, I don't believe their is a organized conspiracy of silence concerning the Expanding Earth. I do however, suspect it.
Of course you can believe anything you want,
Who in earth made such a decision for the rest of us as to what is and isn't plausible? I must have missed that memo.
expanding earth no longer is considered plausible since there's too much evidence contradicting it. That wasn't always the case; it was considered as one possibility before we had so much evidence against it, which you seem to be unfamiliar with and/or unwilling to accept.
I did address this point; the plate tectonics model does not predict this and for you to suggest that it does merely illustrates that you don't understand the model.
originally posted by: All Seeing Eye
But your not addressing my point. ..If Subduction was a reality one would expect to see a subduction zone right next to the volcano/ rift.
It's called "scientific consensus", and it's not always right, but it's the best thing we have so far. There was also a "Shrinking Earth" idea that the Earth was once molten and the mountain ranges formed as the molten Earth cooled and shrunk; that idea also was rejected based on evidence, but it was proposed and evaluated.
Who in earth made such a decision for the rest of us as to what is and isn't plausible? I must have missed that memo.
Phage, you and I are probably close in age, and went through our indoctrination with roughly the same 101 class. Back then as a grade school er, I LOVED SCIENCE Then life happened.
originally posted by: Phage
a reply to: Arbitrageur
I'm old enough that my Geology 101 class presented plate tectonics as a new theory, a modification of continental drift.
Since then there seems to be more data to support the theory. Not much to refute it. Science.
Some people are so shocked by the array of observations supporting an Expanding Earth model they simply deny there is any evidence for expansion. This rejection of the observations can become very animated at times but a few people are sufficiently curious to carefully investigate the facts indicating that the Earth has expanded over geological time. Some of the more well known investigators into the Expanding Earth theory are professors of geology and other sciences, who continue to examine the supporting evidence and report the results of their observations in various scientific papers and books. This history of the Expanding Earth theory is still developing today as these new scientific observations are examined and debated.
Plate Tectonics is one of the most important geophysical/structural geology subjects today. To determine the cause of the movement of the plates is the most studied problem. The first evidence for plate movement was, of course, found by Wegener in 1925. This was a result of a comparison of the continental edges of South America and South Africa. It was not until the 1950s, however, that Carey (1954) found the remarkably good fit between the continents using a modeled globe. Wegener's evidence was primarily geological and paleo-climatological.
The model of the Earth developed by the seismologists, at this time, was a liquid iron core surrounded by a solid mantle with no convection movements. When Elsasser and Bullard (1965) developed their geomagnetic field theory, postulating that there are convective motions in the fluid iron core, there was no real objection by the seismologists since the core did not transmit s-waves, indicating it is a classical fluid. It was not until the development of paleomagnetism that there was new evidence for continental drift; then later on, geophysical measurements of the ocean floor swept away most of the doubts geophysicists had about continental drift. This now constitutes part of the subject called plate tectonics.
Many theories on the mechanism for plate movement have been developed. The most popular and widely held view is that convection currents below the lithospheric plates, in the mantle, are responsible for their movement. This involves hot spots and subduction zones. The most radical view was that that developed by Carey (1954), Heezen (1959) and others, that the Earth is expanding causing the continents to break up and form plates.
Numerous authors, such as Egyed (1957), Cox and Doell (1961), Ward (1963), Creer (1965), Heezen (1960) and especially Carey (1954, 1970) have supported the theory that continents have moved apart because of an expanding Earth. Carey based his theory on geologic and tectonic observations while most other authors have used paleomagnetic data to supplement his initial theory. Carey (1970) proposes the Earth is made up of eight first order polygons, analogues to the lithospheric plates, with accretion occurring on all sides of each polygon. He says sea floor spreading supports his argument that new crust must be forming between continents for expansion to occur. Thus, each of them has increased greatly in area, irrespective of how much or how little swelling of crust along trenches occurred. Thus, this means the Earth has increased in total surface area by a large amount. Based on the area of oceanic crust on each polygon, Carey has calculated the amount of expansion, which has taken place, is 76%. This equivalent to a 33% increase in radius.
In 1956 Laszlo Egyed, professor at the Geophysical Institute of the Etvs-University in Budapest, based on variations of the sea level in the geological past, proposed that earth was slowly and constantly growing! According to his reconstruction todays continents are the remains of the ancient crust of a smaller planet, surrounded by younger rocks generated along fractures at the Mid-Ocean-Ridges. He explained the supposed increasing volume of our planet by modifications of mineral phases in the earths interior, as minerals are known to change the crystal-structure in relation to changing heat and pressure. An even stranger explanation was suggested by German physicist Pascual Jordan in 1966 - the expanding earth was imputable to the general dilatation of the space-time continuum.
The complex geology of New Guinea convinced Carey that complex movements of earth's crust were necessary to explain the structural geology of mountains. He developed a model with horizontal movements along the Mid Ocean Ridges and transform faults, but stated that "Subduction is a mythos!" He then explained vertical movements as superficial features of very complicated moving cone structures, reaching down to the earths core.
Say what???
"Subduction is a mythos!"
As I said you refuse to accept evidence. In this case the evidence against your idea is cited in your own source:
originally posted by: All Seeing Eye
blogs.scientificamerican.com...
Say what???
"Subduction is a mythos!"
As your source suggests, accurate satellite measurements contradict your idea and support subduction, for example in the map I posted earlier of the Sumatra fault where the movements of the plates illustrated have been measured with satellites.
However the Expanding Earth hypothesis failed and fails to provide a convincing mechanism to explain the supposed increase of earths mass or volume over time. Also simple measurements of the circumference of earth with satellites, as even Carey admitted, could disprove or prove an increase in the radius of earth. Modern satellite measurements are accurate enough to show the movements of earths plates as proposed by Alfred Wegener in 1912, however failed to find any real evidence for an expanding earth, except in the internet...
Yes, I saw the satellite information. And you are correct, I don't give it a lot of credence. But I'm not afraid to post "Other" theories to be considered. I would be more interested in what the satellite data is from one point on the California coast, to lets say Japan. But lets not stop there, how about globally.
As your source suggests, accurate satellite measurements contradict your idea and support subduction, for example in the map I posted earlier of the Sumatra fault where the movements of the plates illustrated have been measured with satellites.
Some of these things actually have happened.
originally posted by: pikestaff
So, if the earth is getting bigger, perhaps that's why the moon is slowly spireling away from the earth at 3 CM per year?
Although to be honest, I don't think the earth is getting bigger, Navigation satellites would have to constantly adjust there orbits, aircraft would take longer and longer to get from 'A' to 'B', roads would crack across from edge to edge, train tracks would stretch and break, long suspension bridges would collapse, buildings would sink, dams would crack, power lines would stretch and break, and so ad infinitum.
Actually, we don't know if this is occurring or not. Satellites belong to Governments and military's and intelligence organizations, for the most part, and the common man has very little access to them.. Or to any unfiltered data.
Navigation satellites would have to constantly adjust there orbits
Please go to the following links for the photos. There are just too many to post here
roads would crack across from edge to edge, train tracks would stretch and break, long suspension bridges would collapse, buildings would sink, dams would crack, power lines would stretch and break, and so ad infinitum.
Stick, slip. The stick occurs because many rocks do not slide easily against each other, whether it's a slip fault or a subduction zone. Continuing movement builds stresses in the "stuck" rocks that aren't sliding against each other until those stresses overwhelm the "sticking" forces, then there is a big "slip" and release of energy we know as an Earthquake.
originally posted by: All Seeing Eye
What mechanism within Subduction causes earthquakes. I want to hear what your mind comes up with rather than what you have been taught. Please share that. And while your at it, try to explain why earthquakes also take place along ALL the sub oceanic fault lines. Earthquakes are not unique to suspected subduction zones.
Not the case at all. Challenge me on the subject. Earthquakes. I am past, way past, giving anymore time to Plate Tectonics and Subduction. We are now in the realm of the competing theory. Its not mandatory to agree with my position, but to share it. If you firmly believe the scientific community has answered the questions about the subject, in your mind, then their is no room to consider other alternative possibilities.
As for whether replies to a post should all be in agreement with the opening post or whether opposing viewpoints are also welcomed, the latter is the policy of ATS as long as it is the ideas that are attacked and not the poster. You're certainly welcome to disagree with mainstream science if you want, but you can't seriously expect to post ideas which contradict mainstream science in a science forum and not be challenged.
So you've admitted that subduction occurs but your theory has no subduction. That's a little hard to follow frankly.
originally posted by: All Seeing Eye
Now, I have admitted that subduction does in fact occurred, but not to the depth and expanse suggested. ...
In my theory, no subduction...
Who said they were proof of subduction? Some Earthquakes occur in subduction zones and other earthquakes occur at strike-slip or other types of faults which are not subduction.
Again, how do the scientist assume earthquakes are proof of subduction?
The great Sumatra earthquake of 26 December 2004 was the third largest event to occur in a subduction zone in the past 50years. The rupture initiated at 30–40km depth northwest of Simeulue Island and propagated for ∼ 1,300km to the northern Andaman Islands. The earthquake was caused by sudden slip along the plate interface between the subducting Indo-Australian plate and the overriding Sunda plate....
"Figure 2 Seismic profile WG1. Interpreted seismic reflection image as a function of two-way travel time, plotted using a time-varying automatic gain control...The lower panel shows a 17-km-wide strip of bathymetry along the profile."
Thanks for pointing that out.
So you've admitted that subduction occurs but your theory has no subduction. That's a little hard to follow frankly.
Sam Carey taught subduction, the essence of which later became known as Plate Tectonics, decades before Johnnies- come-lately hailed it (and appropriated it) as the 'New Global Tectonics', but he discarded it as unworkable in favor of an earth getting bigger.
Richard Horton, editor of the British medical journal The Lancet, has said that "The mistake, of course, is to have thought that peer review was any more than a crude means of discovering the acceptability — not the validity — of a new finding. Editors and scientists alike insist on the pivotal importance of peer review. We portray peer review to the public as a quasi-sacred process that helps to make science our most objective truth teller. But we know that the system of peer review is biased, unjust, unaccountable, incomplete, easily fixed, often insulting, usually ignorant, occasionally foolish, and frequently wrong."
"The development of plate-tectonic theory certainly warrants a Nobel Prize," said Dr. Marcia McNutt, president-elect of the American Geophysical Union. "There is no doubt that it ranks as one of the top ten scientific accomplishments of the second half of the 20th Century."
ftp.kermit-project.org...
or:-
www.columbia.edu...
However another senior figure in the geophysics world has seen fit to volunteer a description for the same state of affairs of Plate Tectonic consensus as "Massive Academic Fraud" (**), highlighting the deficiencies of the peer review process in the caption quote above and underscoring the view here that even though crewed by Teams of Prestigious Scientists Plate, Tectonics is a sinking derelict ship, and as a framework for global tectonics is long past its use-by and should be abandoned. A theory of nothing is better than one which can be represented in such widely polarised terms and claim a 'consensus'. A theory that can mean anything means nothing.
"I want to pause here and talk about this notion of consensus, and the rise of what has been called consensus science. I regard consensus science as an extremely pernicious development that ought to be stopped cold in its tracks. Historically, the claim of consensus has been the first refuge of scoundrels; it is a way to avoid debate by claiming that the matter is already settled. Whenever you hear the consensus of scientists agrees on something or other, reach for your wallet, because you're being had.
Let's be clear: the work of science has nothing whatever to do with consensus. Consensus is the business of politics. Science, on the contrary, requires only one investigator who happens to be right, which means that he or she has results that are verifiable by reference to the real world.
In science consensus is irrelevant. What is relevant is reproducible results. The greatest scientists in history are great precisely because they broke with the consensus. There is no such thing as consensus science. If it's consensus, it isn't science. If it's science, it isn't consensus. Period."
Michael Crichton
It sounds like you haven't read the paper and don't really know what you're looking at.
originally posted by: All Seeing Eye
As for your Seismic profile graft, I don't really see subduction, I see what I would expect to see, sub surface pressure ridges.
I mentioned that specifically to you in my prior post but apparently you're not familiar with the terminology and many other aspects of geology:
Where is the piles and piles of sediment that has been scraped off the top gone? Did it magically just go for the ride? It must be piled up somewhere.
The accretionary wedge is so named because of the accretion of which you speak. So you're asking there this is and it's in the picture I posted for you and clearly labeled and I even drew your attention to it, all going right over your head it seems. Maybe your confirmation bias and lack of familiarity with the topic are preventing you from interpreting the data correctly.
originally posted by: Arbitrageur
That shows the plate on the left subducting under the plate on the right, and it shows the accretionary wedge and other features which are indicitave of a subduction zone.
So, does the lone scientist James Maxlow who proposes an expanding Earth model have a good explanation for why the Earth is expanding? You can hear his answer at 2:37 in this video and judge for yourself:
If you can't explain it simply, you don't understand it well enough. Albert Einstein
Read more at: www.brainyquote.com...
OP you speak of scientists being closed minded but you have stated incorrectly many many times what your assumptions are of science currently.
No I haven't. The phenomenon is clearly documented right down the middle of the United States called the great planes. At one time the entire north American continent tilted in one direction, then the other. That clearly shows up and down movements. It was also covered with a inland sea. You can see parts of it in Arizona at the Petrified Forest National Park. They have a museum that explains much of that.
You are ignoring the fact that the crust can fold upwards and downwards and not only at the plate edges.
The term is "Iconoclast". And thank you for the compliment. What you have said translated is, A iconoclast is someone who is not going to bow down buy the party line. Well, when it comes to subduction, you are correct, I'm not buying it.
Also even in the OP you open by stating and giving a name for you as being someone who is generally against establishments... that doesn't make you more right... it makes you argumentative, nothing more nothing less.
And they do such a great job at it, too. Must be some devoted and honest people involved in the effort. Let me know when they start looking down.
Science as we know it right now, can launch a space vehicle, understanding the local gravity of the solar system to land that vehicle on a comet... after years of flight.
Absolutely not true, and I never inferred such a thing. Of course there are bad eggs everywhere and I don't think I have stated Higher education has more than the average. I do however draw a line when it comes to those who propose a theory that is unfounded and unobserved. Anyone can read data many different ways. And I agree with those who have stated the theory of subduction is a fraud.
Most scientists are interested in assimilating information, you are of the opinion that 'real scientists' are not found in universities
Making up this fictitious "anti-gravity" is exactly the opposite of simple. It's a complication you have to fabricate to hold your flawed model together and there's no evidence for this at all. Even Maxlow would not suggest such a thing.
originally posted by: All Seeing Eye
And in the spirit of simplicity, which I believe Albert would agree, I offer this.
Also in the HE theory there is another force within the planet, call it a anti-gravity, that pushes outward from the central anomaly called the central sun, or "Smoky God", and pushes on the inner surface.