Litho-stratigraphic effect on Variscan fluid flow within the Prague synform, Barrandian: Evidence based on C, O, Sr isotopes and fluid inclusions

Slobodník, Marek; Melichar, Rostislav; Hurai, Vratislav; Bakker, Ronald J.

doi:10.1016/j.marpetgeo.2012.01.003

Cited by 12 publications

(8 citation statements)

References 50 publications

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“…The veins frequently exhibit en echelon arrangement, sigmoidal or small pull-apart shape and fibrous mineral filling, which are indicative of vein formation under tectonic pressure within a lithostatic regime with respect to mechanism of precipitation of vein mineral phases. The veins of this type have been shown to be related to Variscan folds and interpreted, therefore, as syntectonic Variscan veins (Halavínová et al, 2008;Slobodník et al, 2012).…”

Section: Fluid Inclusion Analysismentioning

confidence: 99%

“…Similar syntectonic veins, common in exposures of lower Palaeozoic rocks throughout the Barrandian Basin, have been already used to reconstruct p-T conditions (e.g. Halavínová et al, 2008;Slobodník et al, 2012). Comparable veins were also employed to constrain p-T conditions during Variscan orogenic deformations in other parts of the European Variscan orogen (e.g.…”

Section: Temperature Estimationmentioning

confidence: 99%

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Diagenesis to very low-grade metamorphism in lower Palaeozoic sediments: A case study from deep borehole Tobolka 1, the Barrandian Basin, Czech Republic

Suchý¹,

Sandler

Slobodník

et al. 2015

International Journal of Coal Geology

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Section: Fluid Inclusion Analysismentioning

confidence: 99%

Section: Temperature Estimationmentioning

confidence: 99%

Diagenesis to very low-grade metamorphism in lower Palaeozoic sediments: A case study from deep borehole Tobolka 1, the Barrandian Basin, Czech Republic

Suchý¹,

Sandler

Slobodník

et al. 2015

International Journal of Coal Geology

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“…the ‛main detachment’ at the Ordovician–Silurian boundary shown in fig. 1 of Slobodník et al 2012). Large portions of the faults are concealed and thus it remains unclear whether they are connected at all.…”

Section: Discussionmentioning

confidence: 97%

A lifetime of the Variscan orogenic plateau from uplift to collapse as recorded by the Prague Basin, Bohemian Massif

Vacek

Žák

2017

Geol. Mag.

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The Ordovician to Middle Devonian Prague Basin, Bohemian Massif, represents the shallowest crust of the Variscan orogen corresponding toc.1–4 km palaeodepth. The basin was inverted and multiply deformed during the Late Devonian to early Carboniferous Variscan orogeny, and its structural inventory provides an intriguing record of complex geodynamic processes that led to growth and collapse of a Tibetan-type orogenic plateau. The northeastern part of the Prague Basin is a simple syncline cross-cut by reverse/thrust faults and represents a doubly vergent compressional fan accommodatingc.10–19 % ~NW–SE shortening, only minor syncline axis-parallel extension and significant crustal thickening. The compressional structures were locally overprinted by vertical shortening, kinematically compatible with ductile normal shear zones that exhumed deep crust in the orogen's interior atc. 346–337 Ma. On a larger scale, the deformation history of the Prague Syncline is consistent with building significant palaeoelevation during Variscan plate convergence. Based on a synthesis of finite deformation parameters observed across the upper crust in the centre of the Bohemian Massif, we argue for a differentiated within-plateau palaeotopography consisting of domains of local thickening alternating with topographic depressions over lateral extrusion zones. The plateau growth, involving such complex three-dimensional internal deformations, was terminated by its collapse driven by multiple interlinked processes including gravity, voluminous magma emplacement and thermal softening in the hinterland, and far-field plate-boundary forces resulting from the relative dextral motion of Gondwana and Laurussia.

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“…The major types include the crystal shape thermometer, for example, the recrystalline particles size thermometer [62], and the crystallography thermometer, for example, quartz C axial fabric, and chemistry migratory thermometer, for example, TitaniQ thermometer [63,64]. Fluid inclusions can also be used to define some conditions of deformation [65][66][67]. Methods of microchronological dating of deformed rocks have been applied into the orogenic belt [68,69].…”

Section: To Determine Deformation Mechanisms and Conditionsmentioning

confidence: 99%

The Structural Framework of the Erlangping Group in North Qinling, Central China

Zhang

Zhao

et al. 2012

Journal of Geological Research

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As one major unit of the North Qinling tectonic belt, and being located in the north side of the UHP belt between the Yangtze block and the North China block, the Erlangping Group has become one hot research spot because it still keeps records of both plate and inner-continent evolution histories. Three aspects of the Erlangping Group are reviewed. (1) Research history are concluded into three stages, including the determination of rock assemblages before the late 1980s, the regional metamorphism laws solution in the 1990s, and the formation time and tectonic background discussion in the 2000s. (2) Five major controversies and frontier scientific problems have been offered, such as, the deformation ages determination, the Cretaceous tectonic event definition, the determination of the deformation mechanisms and conditions, the kinematic and dynamic nature of the Zhuyangguan-Xiaguan shear zone, and the reconstruction of the evolution and exhumation history. (3) Structural framework of the Erlangping Group is divided into five parts according to our field and laboratory study, including the Erjingou slab, the Damiao-Wantan shear zone, the Huoshenmiao slab, the Xiaozhai-Erlangping shear zone, and the Baoshuping slab. Only the Xiaozhai-Erlangping shear zone has clear kinematic marks of left lateral slip.

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Litho-stratigraphic effect on Variscan fluid flow within the Prague synform, Barrandian: Evidence based on C, O, Sr isotopes and fluid inclusions

Cited by 12 publications

References 50 publications

Diagenesis to very low-grade metamorphism in lower Palaeozoic sediments: A case study from deep borehole Tobolka 1, the Barrandian Basin, Czech Republic

Diagenesis to very low-grade metamorphism in lower Palaeozoic sediments: A case study from deep borehole Tobolka 1, the Barrandian Basin, Czech Republic

A lifetime of the Variscan orogenic plateau from uplift to collapse as recorded by the Prague Basin, Bohemian Massif

The Structural Framework of the Erlangping Group in North Qinling, Central China

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