Abstract
Based on the experimental and calculated data, the model of depth variations in density, as well as the velocities of longitudinal (P) and transverse (S) waves, within the upper, middle, and lower crusts of the Kola-Norwegian block down to a depth of about 40 km is suggested. The variations in density and the velocities of the P- and S-waves are primarily caused by the changes in the mineral composition of the rocks. The relative reduction in the velocities of the P- and S-waves under the action of the increasing pressure and temperature in the depth interval from 5 to 37 km is estimated at ∼2%.
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Original Russian Text © F.F. Gorbatsevich, V.R. Vetrin, O.M. Trishina, M.V. Kovalevsky, 2014, published in Fizika Zemli, 2014, No. 4, pp. 56–69.
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Gorbatsevich, F.F., Vetrin, V.R., Trishina, O.M. et al. The model of the depth variations in the properties and state of the rocks in the upper, middle, and lower continental crust of the Kola-Norwegian block, Kola Peninsula. Izv., Phys. Solid Earth 50, 514–527 (2014). https://doi.org/10.1134/S1069351314040041
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DOI: https://doi.org/10.1134/S1069351314040041