Deciphering the Late Paleozoic to Mesozoic tectono sedimentary evolution of the northern Bohemian Massif from detrital zircon geochronology and heavy mineral provenance

Nádaskay, Roland; Žák, Jiří; Sláma, Jiří; Sidorinová, Tamara; Valečka, Jaroslav

doi:10.1007/s00531-019-01781-z

Cited by 11 publications

(11 citation statements)

References 140 publications

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“…While some authors have argued for a NW-SE-directed dextral strike-slip fault system by attributing the uplifts to restraining bends and related basins to transtension (Ziegler, 1990a;Wrede, 1988;Uličný, 2001), most authors have agreed that frontal thrusting was the main process that developed the observed structures (Franzke et al, 2004;Kley and Voigt, 2008;Nielsen and Hansen, 2000;Deckers and van der Voet, 2018). This was also confirmed by small-scale structural features (slickensides, fold axes, and fault orientations), which in many cases preserved both the extensional phase and N-S to NE-SW convergence (Vandycke, 2002;Franzke et al, 2004;Kley, 2018;Malz et al, 2020;Coubal et al, 2014;Navabpour et al, 2017). The strike-slip model addresses the problem that the principal faults should be orientated in an E-W direction to explain the subsidence anomalies at the assumed releasing Riedel shears, which were in fact never observed.…”

Section: Late Cretaceous Central European Basin Deformation -Facts and Assumptionsmentioning

confidence: 95%

“…Furthermore, the symmetric shape of the marginal troughs and their spatial relations to the inverted structures strongly point to frontal convergence as the driving force for basin formation (Voigt et al, 2009). On the basis of a detailed structural analysis of faults, Navabpour et al (2017) were able to detect an early phase of N-S compression, oblique to the main NW-SE-striking faults, between the extension phase and the frontal thrusting. Nevertheless, this event has not been precisely dated yet.…”

Section: Late Cretaceous Central European Basin Deformation -Facts and Assumptionsmentioning

confidence: 99%

“…Additionally, the sediment composition (clasts, heavy minerals, and zircon ages) in marginal troughs reflects the rocks that were eroded and redeposited from the uplifting structures and constrains timing and rates of inversion. This method was applied to few basins only, such as the Subhercynian Basin (Voigt et al, 2006; and the Bohemian Cretaceous Basin (Voigt et al, 2009;Hofmann et al, 2018;Nádaskay et al, 2019;Niebuhr et al, 2020).…”

Section: Timing Of Inversion In the Basins Studiedmentioning

confidence: 99%

“…Inversion-related sandy to conglomeratic deposits allow provenance studies on the basis of clast and grain composition, heavy mineral analysis, and zircon ages. The unroofing sequence was reconstructed for the Subhercynian Cretaceous Basin and the Bohemian-Saxonian Cretaceous Basin (Voigt, 2009;Hofmann et al, 2018;Nádaskay et al, 2019), with the main result that adjacent basement uplifts had been covered by upper Paleozoic to Mesozoic sedimentary sequences.…”

Section: Facies and Provenancementioning

confidence: 99%

“…The provenance signal of uplifted basement structures is also commonly obscured, because Permian to Mesozoic sediments covered them. The composition often shows only the signal of the basement which acted as the primary source of the eroded sediments Hofmann et al, 2013Hofmann et al, , 2014Hofmann et al, , 2018Nádaskay et al, 2019). Both in the Münsterland Basin and in the Sub-hercynian Basin, the main coarse clastic input during the early stages of inversion was apparently delivered laterally from other uplifted structures, not from the main evolving highs related to the evolution of the marginal trough (Arnold, 1964;Voigt et al, 2006;.…”

Section: Facies and Provenancementioning

confidence: 99%

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Dawn and dusk of Late Cretaceous basin inversion in central Europe

2021

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Abstract. Central and western Europe were affected by a compressional tectonic event in the Late Cretaceous, caused by the convergence of Iberia and Europe. Basement uplifts, inverted graben structures, and newly formed marginal troughs are the main expressions of crustal shortening. Although the maximum activity occurred during a short period of time between 90 and 75 Ma, the exact timing of this event is still unclear. Dating of the start and end of Late Cretaceous basin inversion gives very different results depending on the method applied. On the basis of borehole data, facies, and thickness maps, the timing of basin reorganization was reconstructed for several basins in central Europe. The obtained data point to a synchronous start of basin inversion at 95 Ma (Cenomanian), 5 Myr earlier than commonly assumed. The end of the Late Cretaceous compressional event is difficult to pinpoint in central Europe, because regional uplift and salt migration disturb the signal of shifting marginal troughs. Late Campanian to Paleogene strata deposited unconformably on inverted structures indicate slowly declining uplift rates during the latest Cretaceous. The differentiation of separate Paleogene inversion phases in central Europe does not appear possible at present.

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Section: Late Cretaceous Central European Basin Deformation -Facts and Assumptionsmentioning

confidence: 95%

Section: Late Cretaceous Central European Basin Deformation -Facts and Assumptionsmentioning

confidence: 99%

Section: Timing Of Inversion In the Basins Studiedmentioning

confidence: 99%

Section: Facies and Provenancementioning

confidence: 99%

Section: Facies and Provenancementioning

confidence: 99%

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Dawn and dusk of Late Cretaceous basin inversion in central Europe

2021

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LA-ICP-MS U–Pb dating and trace element analyses of detrital rutile from the Elbtal Group (Saxony, Germany): provenance constraints of the Saxonian Cretaceous Basin

Rösel,

Schulze,

Wilmsen

et al. 2024

Int J Earth Sci (Geol Rundsch)

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The steep sandstone cliffs of the Upper Cretaceous Elbtal Group exposed in the Eastern Erzgebirge and the Zittau Sandstone Mountains are impressive remnants of the Saxo-Bohemian Cretaceous Basin. Despite the excellent exposure, little is known about the provenance. Herein, we present LA-ICP-MS U–Pb and trace element data of detrital rutile grains separated from five different formations of the Elbtal Group to characterise and differentiate potential source regions. The Cenomanian samples of the Eastern Erzgebirge (Niederschöna and Oberhäslich formations, lower Elbtal Group) yield an U–Pb rutile age cluster at 320–330 Ma. The source rock lithology is predominantly of metapelitic origin. The Zr-in-rutile temperatures indicate amphibolite- to lower granulite-facies metamorphic conditions. Thus, the Variscan basement exposed in the Erzgebirge is assumed as proto source. The Middle Turonian to Early Coniacian samples from the Zittau Sandstone Mountains (Oybin, Lückendorf and Waltersdorf formations; upper Elbtal Group) yield similar U–Pb rutile ages with a cluster at 320–330 Ma. The source rock lithology is likewise predominantly classified as metapelitic and the Zr-in-rutile temperatures cluster in upper amphibolite- to granulite-facies metamorphic conditions. Exposures with high-grade metamorphic Variscan basement are assumed as likely proto sources for these sedimentary rocks. Sedimentary structures indicate a northerly source and thus contrast with direct input from the Variscan basement located to the south and east. Thus, the most likely sedimentary model is reworking of sediments that were eroded from the Variscan basement prior to the Turonian and deposited within a basin at the northern margin of the Bohemian Massif. Graphical abstract

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Exploring Causal Relationships for Geoheritage Interpretation — Variable Effects of Cenozoic Volcanism in Central European Sedimentary Tablelands

Migoń

Pijet-Migoń

2021

Geoheritage

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Modern conceptual approach to geointerpretation and geoeducation emphasizes the holistic understanding of the environment and attends to linkages between various abiotic, biotic, and cultural components. In this paper, we highlight multiple relationships between Cenozoic volcanism and host sedimentary rocks, mainly sandstones of Cretaceous age, which can be explored in the context of geotourism and geoeducation in several Central European geoparks (Bohemian Paradise UNESCO Global Geopark, Land of Extinct Volcanoes Aspiring Geopark, Ralsko National Geopark) and their surroundings. These include the effects of magmatism on sandstones, with further consequences for landform development at different spatial scales, the origin of mineral resources, underpinning of biological diversity, and specific land use contrasts. Existing interpretation provisions are reviewed, and a three-tiered framework to show these different linkages is proposed. It is argued that different, but complementary themes can be addressed at the landscape, landform, and individual outcrop (geosite) level.

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Deciphering the Late Paleozoic to Mesozoic tectono sedimentary evolution of the northern Bohemian Massif from detrital zircon geochronology and heavy mineral provenance

Cited by 11 publications

References 140 publications

Dawn and dusk of Late Cretaceous basin inversion in central Europe

Dawn and dusk of Late Cretaceous basin inversion in central Europe

LA-ICP-MS U–Pb dating and trace element analyses of detrital rutile from the Elbtal Group (Saxony, Germany): provenance constraints of the Saxonian Cretaceous Basin

Exploring Causal Relationships for Geoheritage Interpretation — Variable Effects of Cenozoic Volcanism in Central European Sedimentary Tablelands

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