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- Title
Lithosphere Thickness from New Heat-Flow Data of the Odra Variscan Area, S-W Poland.
- Authors
Majorowicz, Jacek; Šafanda, Jan
- Abstract
Equilibrium temperature data from shafts in a mining area of SW Poland in the Paleozoic Platform were used for heat-flow calculations. A new technique to calculate paleoclimatic correction for heat-flow determination from single deep temperature data and equilibrium surface temperatures was applied. Elevated surface heat flow of 82-87 mW m−2 and mantle heat flow of some 37-41 mW m−2 were found. This high heat-flow zone spreads from S-W Poland, in the Variscan deformation front, towards the German part of the Polish-German basin. Calculations of geotherms for a variety of heat production models of the crust and upper mantle point to lithosphere-asthenosphere boundary depths of about 80-90 km compared to seismologically determined depths of 90-120 km.
- Subjects
LITHOSPHERE; TERRESTRIAL heat flow; EQUILIBRIUM; SURFACE temperature; MINES &; mineral resources; TEMPERATURE
- Publication
Pure & Applied Geophysics, 2018, Vol 175, Issue 12, p4343
- ISSN
0033-4553
- Publication type
Article
- DOI
10.1007/s00024-018-1941-7