Structural pattern and emplacement mechanisms of the Krížna cover nappe (Central Western Carpathians)

Prokešová, Roberta; Plašienka, Dušan; Milovský, Rastislav

doi:10.2478/v10096-012-0001-y

Cited by 35 publications

(38 citation statements)

References 44 publications

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“…The most plausible tectonic corrections indicate that the rocks must have been magnetized when they dipped opposite to the thrusting direction, forming a hinterlanddipping duplex. The interpretation is concordant with the internal structure of the Križna Nappe, consisting of imbricated units of duplex-type structure (Prokešova et al 2012).…”

Section: Križna Unit (Fatricum)mentioning

confidence: 55%

“…They are embedded in an incompetent matrix, the "klippen mantle", composed of Upper Cretaceous to Palaeogene marlstones, claystones and flysch (Birkenmajer 1986;Plašienka 2012 a). The structure results from two successive deformation stages, a Late Cretaceous -Palaeogene one when the nappe stack was formed and a Miocene deformation stage, when it was strongly modified and almost entirely disintegrated by left lateral strikeslip movements, sub-parallel to the PKB trend (Birkenmajer, 1986;Plašienka, 2012 a). The two deformation stages resulted in the "block-in-matrix" structure of the PKB.…”

Section: Pieniny Klippen Belt (Pkb)mentioning

confidence: 99%

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Palaeomagnetic results from the fold and thrust belt of the Western Carpathians: an overview

Márton

Grabowski

Tokarski

et al. 2015

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The Western Carpathians are separated into an Outer and Inner Carpathians (both comprising several nappe systems) by the extremely narrow and highly deformed Pieniny Klippen Belt. The main phase of deformation and thrusting took place during the Late Cretaceous in the Inner Carpathians, at the end of Cretaceous–Paleocene in the Pieniny Klippen Belt and in the Miocene in the Outer Carpathians. In this paper a large amount of palaeomagnetic results of different quality available from several nappe stacks and from overstep sequences were reviewed and interpreted in terms of tectonics. The data suggest that all three main units participated in two phases of anticlockwise rotation starting at 18.5 Ma, that is, the Outer Carpathian nappes in front of the already consolidated Alpine–Carpathian–Pannonian block became accreted to the block. Late Cretaceous nappe transport, Neogene uplift of ‘core mountains’ and possibly oroclinal bending of pre-Oligocene age can account for important differences in pre-Cenozoic palaeomagnetic declinations. Most of them exhibit less or no anticlockwise rotation suggested by the overstep sequences, implying pre-Cenozoic clockwise rotations of variable angles.

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Section: Križna Unit (Fatricum)mentioning

confidence: 55%

Section: Pieniny Klippen Belt (Pkb)mentioning

confidence: 99%

Palaeomagnetic results from the fold and thrust belt of the Western Carpathians: an overview

Márton

Grabowski

Tokarski

et al. 2015

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“…Generally, NW directed thrusting propagated from the inner CWC outwards into the foreland lower plate (Plašienka 2003;Prokešová et al 2012). Deformation occurred under brittleductile to brittle conditions with consistent top-to-the-northwest shear (Fig.…”

Section: The First Tectonic Stage (Ts-1; ~95-80 Ma)mentioning

confidence: 99%

Cretaceous—Quaternary tectonic evolution of the Tatra Mts (Western Carpathians): constraints from structural, sedimentary, geomorphological, and fission track data

Králiková¹,

Vojtko²,

Sliva³

et al. 2014

Geologica Carpathica

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Abstract:The Tatra Mts area, located in the northernmost part of Central Western Carpathians on the border between Slovakia and Poland, underwent a complex Alpine tectonic evolution. This study integrates structural, sedimentary, and geomorphological data combined with fission track data from the Variscan granite rocks to discuss the Cretaceous to Quaternary tectonic and landscape evolution of the Tatra Mts. The presented data can be correlated with five principal tectonic stages (TS), including neotectonics. TS-1 (~95-80 Ma) is related to mid-Cretaceous nappe stacking when the Tatric Unit was overlain by Mesozoic sequences of the Fatric and Hronic Nappes. After nappe stacking the Tatric crystalline basement was exhumed (and cooled) in response to the Late Cretaceous/Paleogene orogenic collapse followed by orogen-parallel extension. This is supported by 70 to 60 Ma old zircon fission track ages. Extensional tectonics were replaced by transpression to transtension during the Late Paleocene to Eocene (TS-2; ~80-45 Ma). TS-3 (~45-20 Ma) is documented by thick Oligocene-lowermost Miocene sediments of the Central Carpathian Paleogene Basin which kept the underlying Tatric crystalline basement at elevated temperatures (ca. >120 °C and <200 °C). The TS-4 (~20-7 Ma) is linked to slow Miocene exhumation rate of the Tatric crystalline basement, as it is indicated by apatite fission track data of 9-12 Ma. The final shaping of the Tatra Mts has been linked to accelerated tectonic activity since the Pliocene (TS-5; ~7-0 Ma).

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“…Many other au thors such as Borza (1980), Michalík (1992Michalík ( , 1994, Reháková and Michalík (1994), Plašienka (1995Plašienka ( , 2012 and Prokešová et al (2012) fol lowed Mahe¾'s in ter pre ta tion and this view is ac cepted also in the pres ent work (Fig. 2).…”

Section: Introductionmentioning

confidence: 71%

Stepwise clockwise rotation of the Cenozoic stress field in the Western Carpathians as revealed by kinematic analysis of minor faults in the Manín Unit (western Slovakia)

Šimonová

Plašienka²

2017

Self Cite

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1 Matej Bel Uni ver sity, De part ment of Ge og ra phy and Ge ol ogy, Fac ulty of Nat u ral Sci ences, Tajovského This study aims at quan ti ta tive ki ne matic anal y sis of fault-slip data and palaeostress re con struc tion of polyphase brit tle struc tures de vel oped in the Manín Unit crop ping out in the Mid dle Váh River Val ley of west ern Slovakia. The Manín Unit neigh bours the Pieniny Klippen Belt that fol lows the bound ary be tween the Paleogene accretionary wedge of the Outer Carpathians and the Cre ta ceous nappe sys tem of the Cen tral West ern Carpathians. Af ter the nappe em place ment dur ing mid-Cre ta ceous times, the Manín Unit was in cor po rated into the Pieniny Klippen Belt and at tained its com plex tec tonic style. Based on ki ne matic anal y sis of meso-scale faults with slick en sides, six (D 1 -D 6 ) brit tle de for ma tion stages have been discerned. The rel a tive suc ces sion of in di vid ual palaeostress states was de rived from field struc tural re la tion ships; their stratigraphic age was es ti mated pri mar ily by com par i son with other pub lished data. Palaeostress anal y sis in the Manín Unit re vealed the ex is tence of six dif fer ent palaeostress fields act ing from the Middle Eocene to the Qua ter nary. The first three gen er a tions of meso-scale brit tle struc tures were formed un der a transpressional tec tonic re gime dur ing the pre-Late Eocene-Early Mio cene D 1 -D 3 de for ma tion. Gen er ally, the max i mum hor i zon tal stress axis ro tated clock wise from a W-E to an ap prox i mately N-S di rec tion. There af ter, a transtensional tec tonic re gime was char ac ter ized by a WNW-ESE to NNW-SSE ori ented min i mum hor i zon tal stress axis dur ing Middle and Late Mio cene D 4 -D 5 de for ma tion. A gen eral extensional tec tonic re gime in flu enced the struc tural evo lu tion of the area in the Plio cene to Qua ter nary, when a grad ual reori en ta tion of the palaeostress field re sulted in the de vel op ment of vari able, of ten re ac ti vated, fault struc tures.

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Structural pattern and emplacement mechanisms of the Krížna cover nappe (Central Western Carpathians)

Cited by 35 publications

References 44 publications

Palaeomagnetic results from the fold and thrust belt of the Western Carpathians: an overview

Palaeomagnetic results from the fold and thrust belt of the Western Carpathians: an overview

Cretaceous—Quaternary tectonic evolution of the Tatra Mts (Western Carpathians): constraints from structural, sedimentary, geomorphological, and fission track data

Stepwise clockwise rotation of the Cenozoic stress field in the Western Carpathians as revealed by kinematic analysis of minor faults in the Manín Unit (western Slovakia)

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