There is interesting information on your research area on my page.

There is interaction between subducted relatively cold slabs, and the mantle convection cells. Mantle convection can drive subduction, but a subducting cold slab will also affect convection.

конвекции в теле планеты нет, и быть не может. На моей странице есть обоснование такого взгляда.

The above comment in Russian says that there is no convection in the planet. See his page. That is an interesting view.

• Convection inside the planet. Convection cannot occur within the body of a planet. When describing convection, a heating kettle is often used as an example, but a planet is not a kettle; it’s more like a thermos. And there is no, and cannot be, convection in a thermos – there, once the temperature is distributed, it doesn’t change that distribution unless there are external influences. Of course, this is without accounting for small, insignificant losses. If there is no heating of the planet by the Sun, the temperature on the surface goes into the negative, which means that the heating from inside the planet is very small. How can this be imagined at all – a process of heating and cooling simultaneously going on for millions of years in a closed, thermally isolated volume of the planet?? A perpetual motion machine? And why would it need to do that?”

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Fig.1

“Such diagrams do not reflect reality – ascending currents will not descend without cooling down. The ocean isn’t boiling and doesn’t receive heat, and the temperature difference between the planet’s surface and under the crust exceeds 3000 degrees Celsius. There is no active heat transfer. It’s a thermos, and a very good one, working for many centuries.

These currents are used to explain the generation of the planet’s magnetic field, they are used to explain tectonic movements, give rise to fantastical plumes, jerks, and much more.

By accepting the convection hypothesis as a working one and building theories on this basis, ‘scientific workers’ stray far from reality, replacing it with fantasies (read: models). And reality, even using the example of a teapot, tells us that a teapot eventually boils over, and there is no convection left, even in it, just turbulent mixing with a single temperature throughout the entire volume. Additionally, it must be noted that convection implies a constant influx of energy. It turns out that there must be an eternal, inexhaustible source of heat inside! The reality observed on the planet provides no examples of this.

Besides what has been said, the very possibility of convection in the form it is presented raises questions, because of the behavior of gravitational forces. Here’s what artificial intelligence produced in response to a question about the behavior of these forces inside the planet. Though its reliability is small, the basic tendency is captured.”

Based on what has been said, it must be assumed that everything based on this hypothesis is knowingly false (see Newton’s principle).

It’s questionable to consider nuclear reaction (radiogenic hypothesis) as the source of maintaining high temperatures inside the planet for the following reasons: lava flowing from volcanoes is not very radioactive, compared to, for example, the radiation in the reactor of a nuclear power plant. Furthermore, the concentration of radioactive elements is very small in the overall mass of the planet, and there are no prerequisites for their concentration in the center. Most of them have a short half-life.

One can, of course, refer to the supposed convection; by the way, many things are tried to be explained by it in geophysics, but it does not exist and cannot exist in a closed volume, which the Earth is - there cannot be simultaneous heating and cooling for many centuries in a thermos. In addition, the assumed convection speeds of 5-8 cm per year are much lower than simple heat transfer, which even in thermal insulators exceeds such a speed. This means that it will level out the supposed temperature difference and eliminate the conditions for convection to form. Moreover, the decrease in the forces of attraction to the center of the planet suggests that if convection is possible at all, it is towards the center, not upwards. And the presence inside the planet of a supposed eternal source of heat is not confirmed by any fact on the surface or in known physics.

Too many assumptions, each easily refuted, to accept the convection hypothesis as even slightly plausible.

The works 345 substantiate a different structure of the planet, in which the distribution of matter can be roughly compared to the distribution of mass in a round aquarium - it is in the Earth’s gravitational field, similar to how the Earth itself is in the Sun’s gravitational field. The distribution is well known - at the bottom, closer to the source of gravitational forces, are heavy masses, and higher up are those with lower density. If you rotate the aquarium, there will be movement of mass along the walls inside it, with the heavy part always directed towards the Earth. Similarly, inside the planet, there is a constant movement of mass - which is clearly visible from gravitational measurement data 2. The graphs of the measured values of gravitational forces unequivocally indicate the presence of a third mass, in addition to the Sun and Moon, affecting the readings of the gravimeter. Moreover, a significant mass, comparable in magnitude of influence to the external ones. The movement of this mass, connected by gravitational forces to the water and air layers on the surface, causes their displacement, observed as major equatorial currents and winds constantly directed in one direction - from East to West. This leads to an increase in ocean levels in their western parts. This increase, in turn, causes the appearance of countercurrents.

These and many other manifestations on the surface of the planet prove the correctness of this approach to the Earth’s structure.Since the movement of the Earth’s internal mass occurs at a very high speed (over 1000 km/hour), it causes active heating precisely in the contact zone with the planet’s crust, presumably this is the Mohorovičić discontinuity. Since other real heat sources are not observed (the currently accepted radiogenic hypothesis is easily refuted []), it turns out that the highest temperature is located precisely under the crust. It is in this zone that the conditions are created for the processes described above for the formation of natural gas, liquid oil, and naphthides.

Also, the relatively shallow location of the ongoing processes allows the delivery of water, necessary for the chemical processes, to these areas.

In addition to creating suitable temperature conditions, the movement of this mass performs the function of a piston in the resulting peristaltic pump, not only moving in a circle but also squeezing the forming mass towards the surface of the planet, creating a radial component of movement. This is the reason for the appearance of oil in the upper layers of the Earth’s crust.