利用存档的磁电图勒数据进行外多瑙河地区的地质解释

IF 1.4 4区 地球科学 Q3 GEOCHEMISTRY & GEOPHYSICS
Renáta Szebenyi, János Kiss, Gábor Herkules Héja
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引用次数: 0

摘要

我们提供了由匈牙利外达努比亚西北-东南剖面上的存档磁流体数据组成的关键磁流体剖面。在对关键剖面进行解释时,我们使用了原始磁电流数据的观测结果和反演结果。此外,还考虑了其他地球物理地质信息,以确认根据电阻率剖面得出的结论。综合所有这些信息,确定了剖面上的主要构造线和地质单元。在电阻率剖面图上观察到的主要构造线包括阿尔波卡利亚线、拉巴线、巴拉顿线、卡波斯线和梅塞卡利亚线。根据其电阻率对比度可划分出的地质单元包括下奥斯特罗派单元和上奥斯特罗派单元、外达努比亚山脉单元、中匈牙利特大单元、蒂萨特大单元以及填充中新世潘诺尼亚弧后盆地子盆地的沉积岩。横向磁(TM)极化模式的反演结果和原始数据的相位深度剖面图最适于沿剖面探测前新生代基底的形态和确定其深度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Using archived magnetotelluric data for geologic interpretation in the Transdanubian Region

Using archived magnetotelluric data for geologic interpretation in the Transdanubian Region

We provide a key magnetotelluric section, composed of archived magnetotelluric data along a NW-SE profile in Transdanubia, Hungary. For the interpretation of the key section, observations from raw magnetotelluric data and inversion results were used. In addition, other geophysical-geological information was also considered to confirm the conclusions based on the electrical resistivity sections. All this information was combined to identify the main structural lines and geologic units along the profile. Main structural lines observed on the resistivity sections are the Alpokalja line, Rába line, Balaton line, Kapos line, and Mecsekalja line. Geologic units that can be delineated due to their resistivity contrast include the Lower and Upper Austroalpine Units, the Transdanubian Range Unit, the Mid-Hungarian Megaunit, the Tisza Megaunit and sedimentary rocks filling the sub-basins of the Miocene Pannonian back-arc basin. The inversion results of the transverse magnetic (TM) polarization mode and the phase-depth sections of the raw data were found to be the most suitable for detecting the morphology and identifying the depth of the Pre-Cenozoic basement along the profile.

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来源期刊
Acta Geodaetica et Geophysica
Acta Geodaetica et Geophysica GEOCHEMISTRY & GEOPHYSICS-
CiteScore
3.10
自引率
7.10%
发文量
26
期刊介绍: The journal publishes original research papers in the field of geodesy and geophysics under headings: aeronomy and space physics, electromagnetic studies, geodesy and gravimetry, geodynamics, geomathematics, rock physics, seismology, solid earth physics, history. Papers dealing with problems of the Carpathian region and its surroundings are preferred. Similarly, papers on topics traditionally covered by Hungarian geodesists and geophysicists (e.g. robust estimations, geoid, EM properties of the Earth’s crust, geomagnetic pulsations and seismological risk) are especially welcome.
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