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Modeling of the seismic, thermal, and density structure of the Siberian craton lithospheric mantle at depths of 100-300km has been performed along the superlong Meteorite and Rift seismic profiles. The 2D velocity sections reflect the specific features of the internal structure of the craton: lateral inhomogeneities, seismic-boundary relief at depths of ~100, 150, 240, and 300km, velocities of 8.3-8...