National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Brittle tectonics in the NE Bohemian Massif as related to recent tectonic movements indicated by GPS measurement
Nováková, Lucie
North-eastern part of the Bohemian Massif is characterised by many NW-SE striking faults. The Sudetic Marginal Fault Zone (SMFZ) and Hronov - Poříčí Fault Zone (HPFZ) represent the major seismoactive dislocations in this area. Field structural investigations, including fault-slip data collection were carried out on a number of natural outcrops and quarries with the aim of establishing a robust and field-constrained model for the local brittle structural evolution of the studied areas. Almost 5000 faults and fractures have been measured and studied in 116 localities. Two principle sets of faults within the SMFZ are oriented in the N-S and W-E directions. The faults are mainly dipping under 80-90ř. The lineations found on the fault planes are mainly trending to the SW and W. The kinematic frequent analysis was performed due to the distribution of the fault types in the orientations. The faults were divided into the different tectonic phases based on their origin or reactivation and their relative age using the calculation of paleostress analysis. The paleostress analysis of the fault-slip data within the SMFZ resulted identification of six tectonic phases from the youngest to the oldest: strike-slip regime with maximum compression σ1 in the NNW-SSE direction, compressional regime with σ1 in the...
Brittle tectonics in the NE Bohemian Massif as related to recent tectonic movements indicated by GPS measurement
Nováková, Lucie
North-eastern part of the Bohemian Massif is characterised by many NW-SE striking faults. The Sudetic Marginal Fault Zone (SMFZ) and Hronov - Poříčí Fault Zone (HPFZ) represent the major seismoactive dislocations in this area. Field structural investigations, including fault-slip data collection were carried out on a number of natural outcrops and quarries with the aim of establishing a robust and field-constrained model for the local brittle structural evolution of the studied areas. Almost 5000 faults and fractures have been measured and studied in 116 localities. Two principle sets of faults within the SMFZ are oriented in the N-S and W-E directions. The faults are mainly dipping under 80-90ř. The lineations found on the fault planes are mainly trending to the SW and W. The kinematic frequent analysis was performed due to the distribution of the fault types in the orientations. The faults were divided into the different tectonic phases based on their origin or reactivation and their relative age using the calculation of paleostress analysis. The paleostress analysis of the fault-slip data within the SMFZ resulted identification of six tectonic phases from the youngest to the oldest: strike-slip regime with maximum compression σ1 in the NNW-SSE direction, compressional regime with σ1 in the...
Brittle tectonics in the NE Bohemian Massif as related to recent tectonic movements indicated by GPS measurement
Nováková, Lucie ; Hrouda, František (advisor) ; Melichar, Rostislav (referee) ; Decker, Kurt (referee)
North-eastern part of the Bohemian Massif is characterised by many NW-SE striking faults. The Sudetic Marginal Fault Zone (SMFZ) and Hronov - Poříčí Fault Zone (HPFZ) represent the major seismoactive dislocations in this area. Field structural investigations, including fault-slip data collection were carried out on a number of natural outcrops and quarries with the aim of establishing a robust and field-constrained model for the local brittle structural evolution of the studied areas. Almost 5000 faults and fractures have been measured and studied in 116 localities. Two principle sets of faults within the SMFZ are oriented in the N-S and W-E directions. The faults are mainly dipping under 80-90ř. The lineations found on the fault planes are mainly trending to the SW and W. The kinematic frequent analysis was performed due to the distribution of the fault types in the orientations. The faults were divided into the different tectonic phases based on their origin or reactivation and their relative age using the calculation of paleostress analysis. The paleostress analysis of the fault-slip data within the SMFZ resulted identification of six tectonic phases from the youngest to the oldest: strike-slip regime with maximum compression σ1 in the NNW-SSE direction, compressional regime with σ1 in the...

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