Abstract
To describe the cumulative distribution of the number of lithospheric plates over areas S, the dependence N(≥S) ∼ S −0.33 was proposed by Bird [2003]. Based on dimension considerations, the dependence N(≥S) ∼ (ɛ/S)1/3, where ɛ is the generation rate of kinetic energy of convection in the mantle estimated at 10−11 m2/s3, is proposed. The analogy of plate formation with developed hydrodynamic turbulence and other processes involving an energy input into the system and its dissipation is considered. Simple experiments on random partitioning of a surface into polygons gave their cumulative distributions over areas resembling those observed for lithospheric plates. This has led to the conclusion that the plate distribution pattern is characteristic of the random partitioning of surfaces.
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Original Russian Text © G.S. Golitsyn, 2008, published in Fizika Zemli, 2008, No. 3, pp. 3–8.
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Golitsyn, G.S. Size distribution of the number of lithospheric plates. Izv., Phys. Solid Earth 44, 175–180 (2008). https://doi.org/10.1134/S1069351308030014
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DOI: https://doi.org/10.1134/S1069351308030014