岩石圈瞬态热过程建模：应用于西北潘诺尼亚盆地

IF 3.2 2区地球科学 Q1 GEOCHEMISTRY & GEOPHYSICS

Solid Earth Pub Date : 2024-02-08 DOI:10.5194/egusphere-2024-308

Eszter Békési, Jan-Diederik van Wees, Kristóf Porkoláb, Mátyás Hencz, Márta Berkesi

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引用次数: 0

摘要

摘要。重建沉积盆地的热演化是制约地球动力过程和地球能源资源潜力的关键输入。我们提出了一种方法来重现伴随盆地形成的最重要的瞬时热足迹：岩石圈延伸和沉积。通过数据同化对前导模型进行扩展，用温度测量结果对模型进行约束。我们将该方法应用于匈牙利西北部地区。对整个岩石圈过去和现在的温度进行了真实的预测，表明地幔岩石圈在延伸过程中相对均匀但衰减较强，而现在的热岩石圈厚度变化相对较小。新的温度模型改进了对岩石圈流变学的估计和对地幔异质岩石起源的解释。

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Modelling transient thermal processes in the lithosphere: application to the NW Pannonian basin

Abstract. The reconstruction of thermal evolution in sedimentary basins is a key input for constraining geodynamic processes and geo-energy resource potential. We present a methodology to reproduce the most important transient thermal footprints accompanying basin formation: lithosphere extension and sedimentation. The forward model is extended with data assimilation to constrain models with temperature measurements. We apply the methodology to the NW part of Hungary. Realistic past- and present-day temperature predictions for the entire lithosphere are achieved, suggesting the relatively uniform, but strong attenuation of the mantle lithosphere through extension, and relatively small variations in the present-day thermal lithosphere thickness. The new temperature model allows an improved estimation of lithosphere rheology and the interpretation of mantle xenolith origins.

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来源期刊

Solid Earth GEOCHEMISTRY & GEOPHYSICS-

CiteScore

6.90

自引率

8.80%

发文量

审稿时长

4.5 months

期刊介绍： Solid Earth (SE) is a not-for-profit journal that publishes multidisciplinary research on the composition, structure, dynamics of the Earth from the surface to the deep interior at all spatial and temporal scales. The journal invites contributions encompassing observational, experimental, and theoretical investigations in the form of short communications, research articles, method articles, review articles, and discussion and commentaries on all aspects of the solid Earth (for details see manuscript types). Being interdisciplinary in scope, SE covers the following disciplines: geochemistry, mineralogy, petrology, volcanology; geodesy and gravity; geodynamics: numerical and analogue modeling of geoprocesses; geoelectrics and electromagnetics; geomagnetism; geomorphology, morphotectonics, and paleoseismology; rock physics; seismics and seismology; critical zone science (Earth''s permeable near-surface layer); stratigraphy, sedimentology, and palaeontology; rock deformation, structural geology, and tectonics.