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Lithosphere Thickness from New Heat-Flow Data of the Odra Variscan Area, S-W Poland

机译:来自Odra Variscan地区的新热流数据,S-W波兰的岩石圈厚度

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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 82-87mWm(-2) and mantle heat flow of some 37-41mWm(-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 80-90km compared to seismologically determined depths of 90-120km.
机译:古生代平台在古生代平台的SW波兰采矿区中的轴平衡温度数据用于热流计算。 施加了一种新技术,用于计算单个深温度数据和平衡表面温度的热流测定古跨线校正。 发现了82-87MWm(-2)的高度表面热流,约37-41mWm(-2)的披风热流。 这种高热流区从S-W波兰蔓延,在Variscan变形前沿,朝向德国德国盆地的德国部分。 地壳和上部地幔的各种热量生产模型的水域计算到岩石圈的岩石圈 - 近距离界面深度约为80-90km,相比发生了90-120公里的地震测定的深度。

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