Microtectonic measurements and interpretation of the Mesozoic formations in the Villány Hills and Görcsöny-Máriakéménd Ridge, Hungary

Petrik, Attila (2010) Microtectonic measurements and interpretation of the Mesozoic formations in the Villány Hills and Görcsöny-Máriakéménd Ridge, Hungary. Central European Geology, 53 (1). pp. 21-42. ISSN 1788-2281

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Abstract

Abstract Within the framework of a National Research Fund project, different types of scientific investigations were carried out with the aim of a comprehensive paleogeographic reconstruction of the Tisza structural unit. As part of this project microtectonic measurements in the area of the Villány Hills and Görcsöny-Máriakéménd Ridge were carried out. Several publications have already appeared concerning the structural development of the Mecsek-Villány area (Csontos and Bergerat 1988, 1993; Benkovics 1997; Csontos et al. 2002), but in these the Villány Hills and their surroundings played a secondary role compared to the Mecsek Mountains. The goal of the present study was to establish the limits of the structural phases and determine their relative and absolute ages. An important issue has been to clarify to what degree the suggested events of structural deformation could be integrated into regional geologic processes. The tectonic conditions of the area of interest were studied through description and analysis of structural elements of 12 investigated quarries within it. Calculated stress field data were also analyzed. Seven quarries in the Villány Hills, five in the Görcsöny-Máriakéménd area, the data of over 650 striae, 550 joints, various ductile deformation elements (folds, flexures) as well as stylolites, were recorded. Integrating these structural elements into the regional geologic processes was of significant importance.

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