This article presents the results of an integrated interpretation of measurements made using Audio-Magnetotellurics and Seismic Reflection geophysical methods. The obtained results were used to build an integrated geophysical model of shallow subsurface cover consisting of Cenozoic deposits, which then formed the basis for a detailed lithological and tectonic interpretation of deeper Mesozoic sediments. Such shallow covers, consisting mainly of glacial Pleistocene deposits, are typical for central and northern Poland. This investigation concentrated on delineating the accurate geometry of Obrzycko Cenozoic graben structure filled with loose deposits, as it was of great importance to the acquisition, processing and interpretation of seismic data that was to reveal the tectonic structure of the Cretaceous and Jurassic sediments which underly the study area. Previously, some problems with estimation of seismic static corrections over similar grabens filled with more recent, low-velocity deposits were encountered. Therefore, a novel approach to estimating the exact thickness of such shallow cover consisting of low-velocity deposits was applied in the presented investigation. The study shows that some alternative geophysical data sets (such as magnetotellurics) can be used to significantly improve the imaging of geological structure in areas where seismic data are very distorted or too noisy to be used alone

本文介绍了使用声磁学和地震反射地球物理方法进行测量的综合解释结果。所得结果用于建立由新生代沉积物组成的浅地下覆盖层的综合地球物理模型，然后为更深的中生代沉积物的详细岩性和构造解释奠定了基础。这种浅层覆盖物主要由冰川更新世沉积物组成，是波兰中部和北部的典型特征。这项研究的重点是描绘充满松散沉积物的Obrzycko新生代grab陷结构的准确几何形状，因为这对采集非常重要，地震数据的处理和解释，以揭示研究区域下面的白垩纪和侏罗纪沉积物的构造结构。以前，在填充较新的低速沉积物的类似grab子上，估计地震静校正时遇到一些问题。因此，本研究采用了一种新颖的方法来估算这种由低速沉积物组成的浅覆盖层的确切厚度。研究表明，一些替代性的地球物理数据集（例如大地电磁学）可以用于显着改善地震数据失真很大或噪声太大而无法单独使用的地区的地质结构成像 遇到低速沉积物。因此，本研究采用了一种新颖的方法来估算这种由低速沉积物组成的浅覆盖层的确切厚度。研究表明，某些替代性的地球物理数据集（例如大地电磁）可用于显着改善地震数据失真很大或噪声太大而无法单独使用的地区的地质结构成像 遇到低速沉积物。因此，本研究采用了一种新颖的方法来估算这种由低速沉积物组成的浅覆盖层的确切厚度。研究表明，一些替代性的地球物理数据集（例如大地电磁学）可以用于显着改善地震数据失真很大或噪声太大而无法单独使用的地区的地质结构成像