structural geology; fold and thrust belt; geologist; rock type; reservoir characterization; mountain; compressional tectonics; geological subdiscipline; limestone; dsgsd

Deep-seated gravitational slope deformations (DSGSDs) are common but not highly investigated phenomena around the world. In the Carpathian mountains they played an important role during the Quaternary evolution of typical core mountain ridges. The collapsed Brdo DSGSD from Western Carpathians, Slovakia has been subjected to a detailed investigation involving geomorphic mapping, remote sensing analysis, structural data collection and numerical modeling. To improve our understanding of these gravity-induced processes, we performed a continuum-based finite-element modeling set up using the RS2 code (©Rocscience). We used geomechanical rock data from the field works and previous laboratory tests as well as interpretation of it in RSData software (©Rocscience) to obtain the major rock mass design parameters for the models. The results show that Brdo DSGSD is predisposed by regional geological structures given by the intersection of bedding planes, joint sets, and thrust faults. The main causal factors influencing development of DSGSD have been bedrock structure, the lithological composition of dolomite, limestone layers, thrust faulting, and deep weathering of the rock mass.

Deep-seated gravitational slope deformations (DSGSDs) are common but not highly investigated phenomena around the world. In the Carpathian mountains they played an important role during the Quaternary evolution of typical core mountain ridges. The collapsed Brdo DSGSD from Western Carpathians, Slovakia has been subjected to a detailed investigation involving geomorphic mapping, remote sensing analysis, structural data collection and numerical modeling. To improve our understanding of these gravity-induced processes, we performed a continuum-based finite-element modeling set up using the RS2 code (©Rocscience). We used geomechanical rock data from the field works and previous laboratory tests as well as interpretation of it in RSData software (©Rocscience) to obtain the major rock mass design parameters for the models. The results show that Brdo DSGSD is predisposed by regional geological structures given by the intersection of bedding planes, joint sets, and thrust faults. The main causal factors influencing development of DSGSD have been bedrock structure, the lithological composition of dolomite, limestone layers, thrust faulting, and deep weathering of the rock mass.