Temperature profiles in the Earth of importance to deep electrical conductivity models
作者： Vladimír Čermák , Marcela Laštovičková
DOI: 10.1007/978-3-0348-7373-4_4
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摘要: Deep in the Earth, electrical conductivity of geological material is extremely dependent on temperature. The knowledge temperature thus essential for any interpretation magnetotelluric data projecting lithospheric structural models. measured values terrestrial heat flow, radiogenic production, and thermal rocks allow extrapolation surface observations to a greater depth calculation field within lithosphere. Various methods deep calculations are presented discussed. Characteristic geotherms proposed major tectonic provinces Europe it shown that existing temperatures crust-upper mantle boundary may vary broad interval 350–1,000°C. present work completed with survey dependence selected crustal upper 200–1,000°C. It how can be used evaluation pattern by converting conductivity-versus-temperature into conductivity-versus-depth data.
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