Lithosphere thickness in the contact zone of the Moldanubicum and Saxothuringicum in central Europe

Details Lithosphere thickness in the contact zone of the Moldanubicum and Saxothuringicum in central Europe Lithosphere thickness in the contact zone of the Moldanubicum and Saxothuringicum in central Europe

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988pepi...51..159p&link_type=abstract

Physics of the Earth and Planetary Interiors, Volume 51, Issue 1-3, p. 159-165.

Physics

12

Scientific paper

The analysis of the time residuals of P waves and their 3-D inversion show strong lateral velocity variations beneath the GRF array, situated above the contact zone of two important tectonic units; the Saxothuringicum and Moldanubicum. Variations of teleseismic P residuals have provided data for constructing a detailed model of the lithosphere-asthenosphere boundary in the region. Assuming the effects of lateral changes of average velocities in the subcrustal lithosphere to be much smaller than the effects of lithosphere thickness variations, we relate the changes of representative average residuals in direct proportionality to changes of the lithosphere thickness. Under this assumption we can explain the variations of average residuals over the GRF array by a relatively high increase in the thickness of the lithosphere of about 50 km from the northernmost to the southernmost stations. The lithosphere-asthenosphere boundary dips steeply to the SSE and the isopachyte contours follow the general direction of the Variscan fold belt in central Europe, fitting a general pattern of the lithosphere thickness derived for central Europe.

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