How tectonics controlled post-collisional magmatism within the Dinarides: Inferences based on study of tectono-magmatic events in the Kopaonik Mts. (Southern Serbia)

Mladenović, Ana; Trivić, Branislav; Cvetković, Vladica

doi:10.1016/j.tecto.2015.02.001

Cited by 20 publications

(14 citation statements)

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“…Phase 4 with NNW-SSE to N-S oriented compression and WWS-EEN to W-E oriented tension in strike-slip stress regime coincides with the recent stress tensors of the wider South Alpine-Dinarides border area (e.g. cAPorAli et al, 2013) and can be correlated to Pliocene and Quaternary inversion/transpresion phase, documented in the NW External Dinarides (ustAszewsKi et al, 2010;Žibret & vrAbec, 2016) (MlAdenović et al, 2015), in the northern and western parts of the Pannonian Basin (Fodor et al, 1999), in the SW part of the Panonnian Basin (cSontoS et al, 2002) and in the Drau Range and Friuli South Alpine wedge (bArtel et al, 2015).…”

Section: Results Of Paleostress Analysissupporting

confidence: 74%

“…toMlJenović & csontos, 2001), in the Internal Dinarides (e.g. ilić & neubAuer, 2005) and in the Internal Dinarides-Pannonian Basin transitional area (MlAdenović et al, 2015). Middle to Late Miocene NW-SE to WNW-ESE oriented tension corresponds to the break-up of the ALCAPA block into East-Alpine and Pannonian-Carpathian part (Fodor et al, 1998;Fodor et al 1999;toMlJenović & csontos, 2001).…”

Section: Results Of Paleostress Analysismentioning

confidence: 99%

“…These stress tensors can be explained by four individual paleostress phases though crosscutting relations of different fault striations were not observed, as well as no cross-cutting relationships between different fault planes. Therefore, ages of documented paleostress phases are assumed after previous structural studies in the border zone between Alps, Dinarides and Pannonian Basin (Peresson & decKer, 1997;Fodor et al, 1998;Fodor et al, 1999;toMlJenović & csontos, 2001;ilić & neubAuer, 2005;ustAszewsKi et al, 2010;bArtel et al, 2015;MlAdenović et al, 2015;Žibret & vrAbec, 2016).…”

Section: Results Of Paleostress Analysismentioning

confidence: 99%

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A contribution to better understanding of structural characteristics and tectonic phases of the Boč region, Periadriatic Fault Zone

Žibret¹

2016

Geologija

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The aim of this study was to determine properties of the tectonic contact between Permian/Mesozoic limestones and less competent Miocene clastites on the northeastern foothill of the Boč Mt. Because fault planes significantly mark the relief, this contact was studied by a detailed structural mapping, which showed that the Boč Mt. is limited by subvertical faults in its northeastern part. To ensure that mapped subvertical contact is compatible with regional geodynamics of the area, additionally paleostress analysis of fault-slip data was performed. Four individual paleostress tensor groups were documented in a wider Boč area and compared by published structural data from the border zone between Alps, Dinarides and Pannonian Basin. The oldest paleostress tensor group (Phase 1) is likely of Lower and Middle Miocene age and indicates SW-NE extension accommodated by W-E to WNW-ESE striking normal faults. Phase 2 can be correlated with Middle to Late Miocene NW-SE to WNW-ESE directed extension accommodated by NNE-SSW striking normal faults. Phase 3 is correlated with Late Miocene W-E directed contraction accommodated by N-S striking sinistral faults and NNE-SSW to NE-SW striking dextral faults. The youngest paleostress tensor group (Phase 4) fits well with Pliocene to Quaternary NNW-SSE to N-S directed contraction accommodated by NW-SE to W-E striking dextral faults and NE-SW striking reverse faults. Since the documented paleostress phases fits well with the geodynamic processes of the Alps-Dinarides-Carpathians territory the subvertical border in the northeastern part of Boč Mt. seems to be an acceptable structural solution. The study is important because the study area is located at interaction zone between two major Alpine fault systems: the Periadriatic and the Lavanttal faults. IzvlečekGlavni namen raziskave je bil ugotoviti značaj tektonskega kontakta, ki poteka vzdolž severovzhodnega pobočja Boča v coni Periadriatskega in Labotskega preloma. Ker gre za kontakt med permskimi/mezozojskimi apnenci in manj kompetentnimi miocenskimi klastiti, prelomne ploskve, ki predstavljajo kontakt enot, v reliefu značilno izstopajo. Zato je raziskava temeljila na natančnem strukturnem kartiranju območja, ki je pokazalo, da je Boč na severovzhodnem delu omejen s subvertikalnimi prelomi. Rezultati terenskega kartiranja se ujemajo z regionalno geodinamiko območja, ki je bila preverjena s paleonapetostno analizo opazovanih zdrsov ob prelomnih ploskvah. V širši okolici Boča so bile dokumentirane štiri skupine paleonapetostnih tenzorjev, ki so bile nato primerjane z objavljenimi strukturnimi podatki iz prehodnega območja med Alpami, Dinaridi in Panonskim bazenom. Najstarejša faza (Faza 1) je najverjetneje spodnje do srednjemiocenske starosti in odraža ekstenzijo ozemlja v smeri SW-NE, ki jo vidimo na normalnih prelomih s slemenitvijo W-E do WNW-ESE. Fazo 2 lahko primerjamo s srednje do zgornjemiocensko ekstenzijo ozemlja v smeri NW-SE do WNW-ESE, ki se odraža na normalnih prelomih s slemenitvijo NNE-SSW. Faza 3 je primerljiva ...

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Section: Results Of Paleostress Analysissupporting

confidence: 74%

Section: Results Of Paleostress Analysismentioning

confidence: 99%

Section: Results Of Paleostress Analysismentioning

confidence: 99%

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A contribution to better understanding of structural characteristics and tectonic phases of the Boč region, Periadriatic Fault Zone

Žibret¹

2016

Geologija

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“…In the central part of the Dinarides, the oldest Cenozoic tectonic phase is characterized by generally NE-SW to E-W oriented compression, related to Palaeogene thrusting of the Dinarides towards the WSW onto an undeformed Adria microplate (ILIĆ & NEUBAUER, 2005). There, the Oligocene to Early Miocene transition was characterized by post collisional volcanism, probably partly controlled by E-W oriented tension, since the magmatic processes during the aforementioned period were much more complex (MLADENOVIĆ et al, 2015). The Early and Middle Miocene is marked by NE-SW oriented tension, perpendicular to the strike of the Dinaric orogen.…”

Section: Palaeostress and Kinematic Evolution Of The Orogen-parallel mentioning

confidence: 99%

Paleostress and kinematic evolution of the orogen-parallel NW-SE striking faults in the NW External Dinarides of Slovenia unraveled by mesoscale fault-slip data anaysis

Žibret¹,

Vrabec²

2016

Geol Cro

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The late Eocene to Recent dynamics of the NW External Dinarides in Slovenia are described. The study is focused on the orogen-parallel NW-SE striking family of faults, which represent the main source of seismic hazard in the NW External Dinarides today. Approximately 1700 faultslip datasets were collected at 70 locations and used for palaeostress analysis. Structural relationships observed in the field, allowed the construction of a relative chronology between the documented fault and shear joint sets, facilitating the reconstruction of their kinematic evolution and the chronology of palaeostress phases. Four post-Palaeocene stress tensor groups are documented corresponding to four distinct tectonic phases. The first phase is marked by NE-SW directed compression attributed to Late Eocene top-to-SW thrusting of External Dinarides. The second phase is characterized by NE-SW oriented tension, documented by normal slips recorded on NW-SE striking faults. This tension is interpreted as an expression of the Early to Middle Miocene back-arc extension in the Pannonian basin system that also affected the studied part of the External Dinarides. The third phase is manifested by approximately E-W oriented compression with approximately N-S oriented tension in a strike-slip stress regime, causing sinistral reactivation of NW-SE trending faults. Geodynamically, this phase can be correlated with the Late Miocene short pulse of E-W directed compression, documented in parts of the Pannonian basin system. The youngest phase is characterized by approximately N-S oriented compression and approximately E-W oriented tension in a strike-slip stress regime, which caused dextral reactivation of NW-SE striking faults. This phase correlates with the recent inversive/transpressive phase, well-established from seismological data.

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“…This is interpreted to be an effect of the Adriatic plate indentation, associated with the subduction of a slab remnant observed in the external‐most part of the orogen (e.g., Bennett et al, and references therein). The internal part of the Dinarides and their contact with the European‐derived upper plate along the Sava Zone have recently benefitted from a number of detailed kinematic analyses (Erak et al, ; Ilić et al, ; Ilić & Neubauer, ; Mladenović et al, ; Schefer, ; Schefer et al, ; Stojadinović et al, , ; Toljić et al, ; Ustaszewski et al, ; van Gelder et al, ).…”

Section: Introductionmentioning

confidence: 99%

Kinematics of Foreland‐Vergent Crustal Accretion: Inferences From the Dinarides Evolution

et al. 2019

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One of the most common observation in Mediterranean areas is the migration of contractional deformation and associated slabs through time toward external orogenic areas, associated with lower plate crustal accretion. The Dinarides orogen of Central Europe is an optimal place to study such a sequence of contractional deformation. Compared with other areas, contraction in the Dinarides was less overprinted by subsequent extension, while a remnant of the subducted slab is observed in a far external orogenic position. Understanding the deformational evolution of the Dinarides is hampered by the reduced availability of kinematic studies. Therefore, we have performed a surface kinematic study in the external parts of the Dinarides. By correlating with available geophysical and evolutionary constraints, we constructed two large-scale, kinematically controlled regional transects. The results demonstrate a long-lived evolution of shortening that affected the Dinarides lower orogenic plate. While the Late Jurassic-earliest Cretaceous deformation was associated with an earlier obduction moment, the latest Cretaceous onset of continental collision has gradually focused deformation at inherited rheological weakness zones. We show that shortening was interrupted by a period of Miocene extension that affected all orogenic areas and created the Dinarides Lake System. The extension was followed by renewed shortening, which started during the latest Miocene and remains presently active, whose kinematics in the central and SE part of the Dinarides is revealed for the first time by our study. These results indicate a lower plate crustal accretion mechanism that was spatially and temporally connected with gradual slab retreat in the Dinarides.

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How tectonics controlled post-collisional magmatism within the Dinarides: Inferences based on study of tectono-magmatic events in the Kopaonik Mts. (Southern Serbia)

Cited by 20 publications

References 53 publications

A contribution to better understanding of structural characteristics and tectonic phases of the Boč region, Periadriatic Fault Zone

A contribution to better understanding of structural characteristics and tectonic phases of the Boč region, Periadriatic Fault Zone

Paleostress and kinematic evolution of the orogen-parallel NW-SE striking faults in the NW External Dinarides of Slovenia unraveled by mesoscale fault-slip data anaysis

Kinematics of Foreland‐Vergent Crustal Accretion: Inferences From the Dinarides Evolution

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