2001
DOI: 10.1016/s0264-3707(01)00008-4
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Rheological implications of the thermal structure of the lithosphere in the convergence zone of the Eastern Carpathians

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Cited by 24 publications
(14 citation statements)
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“…As it was shown in previous studies (Demetrescu and Andreescu, 1994;Andreescu and Demetrescu, 2001), the pre-Neogene subduction in which the lithosphere was involved in the convergence area of the East Carpathians influences the thermal regime at large depths, which seems to be in agreement with the intermediate-depth seismicity of Vrancea area. Because the surface thermal field features in the Eastern Carpathians bend and its foreland are a result of superposition of the heat contributed from the mantle and crust and of the thermal effects of the shallower processes with local extension, such as sedimentation, radiogenic heat generation in sediments, and fluid flow, in the sedimentation model the influence of a pre-Miocene subduction in the Eastern Carpathians and/or of lithosphere thickening in the bending area is illustrated by the low values of the heat flux at the crust and model base required by modelling, of 30 mW m −2 .…”
Section: On the Heat Flow Budget Of The Carpathians Bend Forelandsupporting
confidence: 86%
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“…As it was shown in previous studies (Demetrescu and Andreescu, 1994;Andreescu and Demetrescu, 2001), the pre-Neogene subduction in which the lithosphere was involved in the convergence area of the East Carpathians influences the thermal regime at large depths, which seems to be in agreement with the intermediate-depth seismicity of Vrancea area. Because the surface thermal field features in the Eastern Carpathians bend and its foreland are a result of superposition of the heat contributed from the mantle and crust and of the thermal effects of the shallower processes with local extension, such as sedimentation, radiogenic heat generation in sediments, and fluid flow, in the sedimentation model the influence of a pre-Miocene subduction in the Eastern Carpathians and/or of lithosphere thickening in the bending area is illustrated by the low values of the heat flux at the crust and model base required by modelling, of 30 mW m −2 .…”
Section: On the Heat Flow Budget Of The Carpathians Bend Forelandsupporting
confidence: 86%
“…The conditions at the model margins are: constant surface temperature (10 • C), constant heat flux at the base (30 mW m −2 ), no heat transfer at lateral margins. The low mantle heat flux is compatible with the large thickness of the lithosphere in the study area (Demetrescu et al, 1984;Stȃnicȃ and Stȃnicȃ, 1984;Enescu, 1992) and/or with subduction processes related to the presence of intermediate-depth seismicity in the Vrancea area (Demetrescu and Andreescu, 1994;Andreescu and Demetrescu, 2001). We are aware of the fact that, toward basin margins, as shown by the temperature logs of Fig.…”
Section: The Thermal Model Of Sedimentationsupporting
confidence: 65%
“…This article introduces the experiential model to describe the change of the thermal conductivity coefficient (λ e ) with respect to temperature. The existing data indicate that the thermal conductivity coefficient in the upper crust is 2.0 Wm -1 ·K -1 , in the lower crust 3.0 Wm -1 ·K -1 , and in the upper mantle 4.0 Wm -1 ·K -1 (Andreescu and Demetrescu, 2001;Fowler et al, 1998). Since the thickness of each layer in the lithosphere is variable, while the temperature in each layer is often fixed in a definite range, we can identify different layers with temperature.…”
Section: Establishing Model Of Heat Transfer In the Lithospherementioning
confidence: 99%
“…Прогрес у вивченні тектоніки платформ нині залежить від опрацювання, насамперед, таких фундаментальних проблем (див. також [3,4,8,12]):…”
unclassified
“…У створенні напружень і деформацій на платформах беруть участь сили різної при-роди [4]. Їхнє вивчення нерідко становить практичний інтерес для виявлення загалом рухливих ділянок у межах тектонічно стійких площ.…”
unclassified