综合电位方法和地表数据在Aitoloakarnania构造剖面中的应用

P. Jiménez, J. M. Jiménez, M. Zanzi, Y. Malmcrona, R. Perez, J. P. Pita, L. Cascone, B. Rubio, A. Ponte, P. Konstantopoulos, K. Nikolaou, A. Chambers
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摘要

在Dinaride-Hellenide褶皱冲断带构造了一条120 km的NE-SW向区域性构造剖面。由于地震剖面的可用性有限且质量较低,重力和大地电磁数据集的整合可以减少解释的不确定性。重力模型允许测试不同的结构情景,直到观测场值与模型计算值之间达到满意的拟合。该模型已根据井资料和地面地质情况获得的不同密度进行了灵敏度测试。由于该地区不同地层之间的电阻率对比,大地电磁法在该地区特别有价值,可以确定细长蒸发体周围区域的几何形状。这两种方法都表明,这种蒸发物的深度有限,下面存在碳酸盐或碎屑。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Integration of Potential Methods and Surface Data for the Construction of a Structural Section in Aitoloakarnania
Summary A regional structural section of 120 km with NE-SW orientation has been constructed in the Dinaride-Hellenide fold and thrust belt. Due to the limited availability and low quality of the seismic sections, an integration of gravity and magnetotelluric datasets have allowed to reduce the uncertainty of the interpretation. The gravity model allowed to test different structural scenarios until a satisfactory fit between the observed field values and the calculated values from the model was achieved. This model has been sensitivity tested based on different densities obtained from well data and surface geology. The magnetotelluric method, which was especially valuable in this area due to the resistivity contrast between the different formations of the area, allowed to define the geometry of the area around an elongated evaporitic body. Both methods indicate the limited depth of this evaporates and the presence of carbonates or clastics underneath.
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