Determination of recent movements of lithosphere in regions with chemogenic sediments on the surface in the Dinarides region
In the area of carbonate or karst Dinarides, besides the dominant carbonate rocks and subordinate clastics, in more places more significant mass of chemical sediments can be found, represented by gypsum and anhydrite. As chemical sediments are specifically lighter than overlying rocks, they have been, during the long geological history, trying to achieve isostatic equilibrium, or get out on the ground surface. In recent times, in areas with chemical sediments, a larger tectonic activity is noted than in the wider environment. This is certainly reflected in increased vertical and tangential displacements along major faults in relation to the surrounding area, which are built mainly of carbonate deposits. Determining the amount of movement of diapiric bodies, as absolute and relative, using the most modern surveying methods, precisely would assist the understanding of the tectonic movements and recent structural relations in a wider area.
Jowett, E. C., Cathles-III, L. M. & Davis, B. W. (1993).Predicting depths of gypsum dehydration in evaporitic sedimentary basins. Amer. Assoc. Petrol. Geol. Bull., 77(3). pp. 402-413. Kempe, Chapter 11.5.
Đapo, A. (2009). Correlation of the Geodetic and Geologic Model of Tectonic Movement on the Example of the Wider Area of the City of Zagreb. University of Zagreb.
Klimchouk, A. & Vjacheslav, A. (1996). Sulphate rocks as an arena for karst development. International Journal of Speleology, 25: pp. 9-20. doi: http://dx.doi.org/10.5038/1827-806X.25.3.1
Murray R. C. (1964). Origin and diagenesis of gypsum and anhydrite. J. of Sedimentary Petrology, 34(3).
GAMIT and GLOBK home page at the Department of Earth Atmospheric and Planetary Sciences, MIT. Retrieved November, 2013, from http://www-gpsg.mit.edu/~simon/gtgk/
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