Tectonic setting of the Ohře/Eger Graben between the central part of the České středohoří Mts. and the Most Basin, a regional study

0356918 - GLÚ 2011 RIV CZ eng J - Journal Article
Cajz, Vladimír - Valečka, J.
Tectonic setting of the Ohře/Eger Graben between the central part of the České středohoří Mts. and the Most Basin, a regional study.
Journal of Geosciences. Roč. 55, č. 3 (2010), s. 201-215. ISSN 1802-6222. E-ISSN 1803-1943
R&D Projects: GA AV ČR IAA300460602
Institutional research plan: CEZ:AV0Z30130516
Keywords : surface-detected faults * timing of tectonic activity * Ohře/Eger Graber/Rift * Bohemian Cretaceous Basin * České středohoří Volcanic Complex * Most Basin
Subject RIV: DB - Geology ; Mineralogy
Impact factor: 1.026, year: 2010

The paper presents the results of a new detailed survey in the SW part of the České středohoří Mts., focused on tectonic setting. Courses of the marginal graben faults are traced in detail. The fault zone limiting the graben in the SE is described as a horst, with the graben fill being structured into rhomboidal blocks; older known faults are specified, and new faults are described. Respecting the age ranges of the preserved stratigraphical units, faults movements are classified into those older than 36 Ma, younger than 24 Ma and younger than 16 Ma and compared with the earlier defined paleostress fields. Fault reversals were detected on several faults. An important role of crystalline basement ridges during the graben formation was identified. Two areas with different tectonic and geological development were identified within the Ohře/Eger Graben. The Saxothuringian – Teplá-Barrandian terrane boundary was found to be less important for graben formation during the Cenozoic.
Permanent Link: http://hdl.handle.net/11104/0195314