Minor counterclockwise rotation of the Tatra Mountains (Central Western Carpathians) as derived from paleomagnetic results achieved in hematite-bearing Lower Triassic sandstones

Szaniawski, Rafał; Ludwiniak, Mirosław; Rubinkiewicz, Jacek

doi:10.1016/j.tecto.2012.06.027

Cited by 13 publications

(16 citation statements)

References 33 publications

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“…The occurrence of contrasting kinematic indicators is consistent with heterogeneous strain produced by shortening and general northward thrusting of the block‐in‐matrix assemblage constituting the arcuate PKB, rather than large‐scale rotation of the Inner Carpathian plate which would be implied by a major, consistent strike‐slip motion along the strike of the mountain belt. It is worth noting that the arcuate shape of the PKB follows that of the whole Western Outer Carpathian belt, which has been documented by paleomagnetic studies [ Szaniawski et al ., ] as having suffered only moderate tectonic rotations (approximately 20°) around a vertical axis (therefore, it did not result by bending of a formerly rectilinear belt [ Grabowski , , ; Szaniawski et al ., ]). More to the south, variable—mostly counterclockwise—rotations have been documented by paleomagnetic analyses performed on the allochthonous nappes of the CWC basement [ Grabowski , ; Grabowski and Nemčok , ; Grabowski et al ., , ; Krs et al ., ; Kruczyk et al ., ].…”

Section: Balanced Cross Sectionsmentioning

confidence: 99%

Building and exhumation of the Western Carpathians: New constraints from sequentially restored, balanced cross sections integrated with low‐temperature thermochronometry

et al. 2016

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Western Carpathian orogeny has been the subject of intense scientific debate due to the occurrence of enigmatic features, leading several authors to provide contrasting geological models. In this paper, a new interpretation for the tectonic evolution of the Western Carpathians is provided based on the following: (i) an analysis of the stratigraphy of the Mesozoic‐Tertiary successions across the thrust belt domains, (ii) a reappraisal of the stratigraphy and sedimentology of the “tectonic mélange” (i.e., the so‐called Pieniny Klippen Belt) marking the suture between the Inner and Outer Carpathians, and (iii) the construction of a series of balanced and restored cross sections, validated by 2‐D forward modeling. Our analysis provides a robust correlation of the stratigraphy from the Outer to the Inner Carpathians, independently of the occurrence of oceanic lithosphere in the area, and allows for the reinterpretation of the tectonic relationships among the Inner Carpathians, the Outer Carpathians, and the Pieniny Klippen Belt and the exhumation mechanisms affecting this orogenic belt. In order to constrain the evolution during the last 20 Ma, our model also integrates previously published and new apatite fission track and apatite (U‐Th‐Sm)/He data. These latter indicate a middle‐late Miocene exhumation of the Pieniny Klippen Belt. In this study, the recent regional uplift of the Pieniny Klippen Belt is described for the first time using a 2‐D kinematic model for the tectonic evolution of the Western Carpathians.

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Section: Balanced Cross Sectionsmentioning

confidence: 99%

Building and exhumation of the Western Carpathians: New constraints from sequentially restored, balanced cross sections integrated with low‐temperature thermochronometry

et al. 2016

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“…The basal Triassic conglomerates that sit on the granites also dip 40° to the north [ Rubinkiewicz and Ludwiniak , ]. As the Mesozoic nappes form the basement of the CCPB the tilt might be related to the formation of the Podhale syncline in Neogene times [ Plašienka et al ., ; Szaniawski et al ., ] (Figure d). The structure of the core of the Tatry is not clear.…”

Section: Geological Backgroundmentioning

confidence: 99%

Exhumation history of the Tatry Mountains, Western Carpathians, constrained by low‐temperature thermochronology

Śmigielski¹,

Sinclair

Stuart

et al. 2016

Tectonics

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This study tests alternative models for the growth of the Tatry Mountains (Central Western Carpathians) by the application of low-temperature thermochronology. Zircon (U + Th)/He ages from the north of the range are mostly between 48 and 37 Ma and indicate cooling prior to the onset of fore-arc sedimentation in the region (42-39 Ma). In contrast, zircon (U + Th)/He ages in the south of the range are around 22 Ma. Apatite fission track ages across the sampled sites range from 20 to 15 Ma. Apatite (U + Th)/He ages range from 18 to 14 Ma with little variation with elevation or horizontal location. Based on thermal modeling and tectonic reconstructions, these Miocene ages are interpreted as cooling in the hanging wall of a northward dipping thrust ramp in the current location of the sub-Tatric fault with cooling rates of 20°C/Myr at~22-14 Ma. Modeled cooling histories require an abrupt deceleration in cooling after~14 Ma to <5°C/Myr. This is associated with termination of deformation in the Outer Carpathians and is synchronous with the transition of the Pannonian Basin from a syn-rift to a postrift stage and with termination of N-S compression in the northern part of the Central Western Carpathians. Overall, the timing of shortening and exhumation is synchronous with the formation of the Outer Carpathian orogen and so the Miocene exhumation of the Tatry records retrovergent thrusting at the northern margin of the Alcapa microplate.

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“…The rate of uplift in the Tatra Mts is highest along the sub-Tatric fault causing tilting and exposure of the southern and south-eastern part of the Tatra block at first (Bac-Moszaszwili 1995; Anczkiewicz et al 2005;Králiková et al 2014). Tilting has a W-E oriented axis and since the Early Miocene the Tatra block has been rotated northward by varying amounts depending on the study; by 20° (Piotrowski 1978), by 30-35° (Bac-Moszaszwili 1995) or by 40° (Jurewicz 2005;Szaniawski et al 2012). Exhumation of the Tatra Mts split the Central Carpathian Pa- Roca et al (1995).…”

Section: Geological Settingmentioning

confidence: 99%

Quaternary faulting in the Tatra Mountains, evidence from cave morphology and fault-slip analysis

Szczygieł¹

2015

Geologica Carpathica

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Abstract:Tectonically deformed cave passages in the Tatra Mts (Central Western Carpathians) indicate some fault activity during the Quaternary. Displacements occur in the youngest passages of the caves indicating (based on previous U-series dating of speleothems) an Eemian or younger age for those faults, and so one tectonic stage. On the basis of stress analysis and geomorphological observations, two different mechanisms are proposed as responsible for the development of these displacements. The first mechanism concerns faults that are located above the valley bottom and at a short distance from the surface, with fault planes oriented sub-parallel to the slopes. The radial, horizontal extension and vertical σ 1 which is identical with gravity, indicate that these faults are the result of gravity sliding probably caused by relaxation after incision of valleys, and not directly from tectonic activity. The second mechanism is tilting of the Tatra Mts. The faults operated under WNW-ESE oriented extension with σ 1 plunging steeply toward the west. Such a stress field led to normal dip-slip or oblique-slip displacements. The faults are located under the valley bottom and/or opposite or oblique to the slopes. The process involved the pre-existing weakest planes in the rock complex: (i) in massive limestone mostly faults and fractures, (ii) in thin-bedded limestone mostly inter-bedding planes. Thin-bedded limestones dipping steeply to the south are of particular interest. Tilting toward the N caused the hanging walls to move under the massif and not toward the valley, proving that the cause of these movements was tectonic activity and not gravity.

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Minor counterclockwise rotation of the Tatra Mountains (Central Western Carpathians) as derived from paleomagnetic results achieved in hematite-bearing Lower Triassic sandstones

Cited by 13 publications

References 33 publications

Building and exhumation of the Western Carpathians: New constraints from sequentially restored, balanced cross sections integrated with low‐temperature thermochronometry

Building and exhumation of the Western Carpathians: New constraints from sequentially restored, balanced cross sections integrated with low‐temperature thermochronometry

Exhumation history of the Tatry Mountains, Western Carpathians, constrained by low‐temperature thermochronology

Quaternary faulting in the Tatra Mountains, evidence from cave morphology and fault-slip analysis

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