The application of morphostructural analysis and its validation by comparison with documented faults within the Zlate Hory ore district (the northeastern part of the Bohemian Massif)

Abstract

The goal of this study is to determine the validity of morpholineaments network that was inferred based on morphostructural analysis of digital elevation model (DEM), by crosschecking with documented faults. The test field has been spread over the exploitation areas in the Zlaté Hory ore district. Various morphometric analyses such as slope, aspect, first directional derivative, gradient operator, combination of altitude and shaded relief, were chosen as particular tools of the morphostructural analysis. The results of each analysis were compared with the results of structural-tectonic mapping. The inferred morpholineaments network was compared with mining maps of the scale 1:500, which provide detailed information about tectonic deformation of rock massif in the area of interest and were used to image fault traces on the surface. The validity of inferred morpholineaments network was determined by authorized software SROV_TEKT, developed by the authors. The morpholineaments network resulting from the morphostructural analysis and tested by this software overlaps at 83 % of the documented main faults in the mines.

Late Pleistocene–Holocene stress in the South American intraplate evidenced by tectonic instability in central Amazonia

“…7A); the anomalously enlarged shape of the midstretch of the Negro River valley and its abrupt, nearly orthogonal downstream inflection from ENE to SE; and the lateral displacements of alluvial deposits of the Negro River terraces and also of their tributaries, the latter configuring successions of en échelon blocks, which we relate to faults. These features are similar to morphological anomalies commonly used to infer tectonic forcing in many other fluvial landforms on Earth (e.g., Miccadei et al, 2004; Jordan et al, 2005; D'Alessandro et al, 2008; Della Seta et al, 2008 and references therein; Enrico and Tommaso, 2011; Jelínek et al, 2013; Sedrette et al, 2016).…”

Straight to Low-Sinuosity Drainage Systems in a Variscan-Type Orogen—Constraints from Tectonics, Lithology and Climate

“…This fault is a pendant to the FLFZ at the NW edge of the Bohemian Massif. Unlike many papers devoted to the neotectonics sensu stricto, we applied in the current investigation this structural term on a much wider scale, covering the entire Neogene and Quaternary [24,109].…”

“…This lack of emphasis is also true for the studies on the control of endogenous parameters which have always been sidelined in favor of exogenous ones, such as climate change [11]. Structural analyses, particularly in neotectonics, are not anything out of the ordinary in geomorphology but frequently related to issues of civil engineering and sister drainage systems of the SSS [12][13][14][15][16][17][18][19][20][21][22][23][24][25]. A broader view has been taken on the evolution of fluvial drainage system as a function of tectonics in some comprehensive studies [17,[26][27][28][29][30][31][32][33][34].…”