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Acta Geodynamica et Geomaterialia

 
Title: INTEGRATED TECTONIC STUDIES: A NEW CONCEPT EXPLORED IN THE GEODYNAMIC LABORATORY OF THE SPACE RESEARCH CENTER IN KSIAZ
 
Authors: Kaczorowski Marek, Goluch Piotr, Kuchmister Janusz, Cmielewski Kazimierz, Zdunek Ryszard and Borkowski Andrzej
 
DOI: 10.13168/AGG.2015.0012
 
Journal: Acta Geodynamica et Geomaterialia, Vol. 12, No. 2 (178), Prague 2015
 
Full Text: PDF file (11.4 MB)
 
Keywords: geodynamics, tectonic activity of the Earth, tectonics of the Sudetes region, geodetic and geophysical measuring instruments
 
Abstract: The instruments of geodynamic laboratory of the Space Research Center (SRC) in Ksišż record vertical movements and tilt of the bed rock. They do not provide information about the main component of the tectonic signal, i.e. horizontal movements of the bed rock. Simultaneously recorded observations of the effects of tectonic activity are purely local, limited to the laboratory passages. Studies of mechanisms of contemporary tectonic activity of the Sudetes region based on current observations of phenomena (in real time), which is unique in the Polish conditions. These studies can be conducted due to exceptionally favorable natural conditions in the laboratory such as an underground system of passages excavated in solid and non-absorbent rocks, stable temperature and humidity, and space perfectly suited for installation of very sensitive geodynamic instruments that enable to perform precise measurements. A new idea of integrated tectonic studies includes a plan of supplementing the geodynamic information by extending the measurement area by including the laboratory surroundings which comprises the castle hill and the so-called "main southern fault "and installation of instruments (gap gauges and extensometers) in the underground, which will provide the missing information about the horizontal movements of the bed rock. Research survey network will be established in the laboratory surroundings. Observations will be made in this network using modern measuring techniques: short-range laser scanning, precise electronic tachometric and interferometric measurements, precise geometric levelling and gap gauges. The established spatial geodetic control and survey network in connection with measuring instruments which have already existed in the laboratory and which were designed by the authors will provide a holistic and comprehensive information of the processes that occur in the Ksišż Massif: tectonic deformation, the bed rock tilts, vertical movements and displacements on faults. Geodynamic information obtained from the research survey network will be integrated with the observations recorded with instruments that are located in the underground of the laboratory and the two GNSS stations located on the opposite flanks of the "main southern fault". An integrated measuring-interpretative system will allow the creation of a multi-component model of the Ksišż Massif mechanics and finding the direction, time and amplitude characteristics of tectonic events. The multi-component model enables to estimate the compensation effect of tectonic deformation and the main direction of stresses. It will also provide information about the multi-phase nature of the tectonic event.