Timing of Langhian bioevents in the Carpathian Foredeep and northern Pannonian Basin in relation to oceanographic, tectonic and climatic processes

Holcová, Katarı́na; Doláková, Nela; Nehyba, Slavomír; Vacek, František

doi:10.7306/gq.1399

Cited by 10 publications

(13 citation statements)

References 66 publications

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“…Thus, it is possible that the mid-Langhian flooding was triggered by this global sea-level rise. The rise is in agreement with the fact that the fully marine water transgressed far over the platforms next to the foredeeps, rapidly transformed lakes into marine basins (Kovačić et al 2016;Krézsek and Bally 2006;Pavelić and Kovačić 2018) and spilled over into the Eastern Paratethys via the Carasu strait (Goncharova and Il'ina 1997;Holcová et al 2018;Palcu et al 2019) (Fig. 6b).…”

Section: Drivers For the Mid-langhian Floodingsupporting

confidence: 73%

“…In addition, the use of ambiguous formation names and/or regional fossil assemblages may result in a variable and contradictory correlations (Melinte-Dobrinescu and Stoica 2014;Săndulescu 1988;Mărunţeanu 1999;Beldean et al 2012;de Leeuw et al 2013;). All of the factors above complicate correlation of the stratigraphy from different regions to each other, and to the global time scale (Paucă 1976;Krézsek and Bally 2006 and references therein;Beldean et al 2013;Gozhyk et al 2015;Holcová et al 2018;Kováč et al 2018) hampering paleogeographic and paleoenvironmental reconstructions of the whole Central Paratethys system.…”

Section: Introductionmentioning

confidence: 99%

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The mid-Langhian flooding in the eastern Central Paratethys: integrated stratigraphic data from the Transylvanian Basin and SE Carpathian Foredeep

Sant

Palcu

Turco

et al. 2019

Int J Earth Sci (Geol Rundsch)

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The mid-Langhian ("Badenian") flooding fully reconnected the semi-isolated Central Paratethys realm with the Mediterranean and, thereby, drastically changed the middle Miocene paleogeography of Central Europe. Due to the scattered stratigraphic record and scarcity of independent age constraints in some areas, the precise age and underlying mechanism are still debated. We present integrated chronostratigraphic data from five sections in the eastern part of the system to reconstruct the flooding event distal from the strait to the Mediterranean. By applying modern Mediterranean biochronology (planktonic foraminifera and calcareous nannofossils), supplemented by an 40 Ar/ 39 Ar age on a tuff, we demonstrate that the widespread open marine settings in the NW Transylvanian Basin were definitely installed after 14.9 Ma (MMi4d biozone), and in most areas before 14.4 Ma. In the marginal study area in the SE Carpathian Foredeep, fully marine conditions likely set in slightly later (14.6-14.4 Ma). There, short-lived marine incursions into the brackish environment occurred since the latest Burdigalian ("pre-flooding phase"). The new ages overlap with the flooding in the majority of the Central Paratethys (~ 14.9-14.4 Ma), and with marine overflow into the Black Sea (14.85 Ma). We suggest that the transgression was driven by subsidence of the Pannonian Basin, by creating accommodation space and diminishing barriers between sub-basins, but was likely enhanced by a global sea-level rise. Finally, we speculate that the scarcity of all calcareous material in the SE Carpathian Foredeep before the mid-Langhian flooding might be related to pulses of nutrient-rich brackish and low pH water from the neighboring Black Sea Basin.

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Section: Drivers For the Mid-langhian Floodingsupporting

confidence: 73%

Section: Introductionmentioning

confidence: 99%

The mid-Langhian flooding in the eastern Central Paratethys: integrated stratigraphic data from the Transylvanian Basin and SE Carpathian Foredeep

Sant

Palcu

Turco

et al. 2019

Int J Earth Sci (Geol Rundsch)

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“…The Early Badenian evo lu tion of the MCF is in gen eral charac ter ized by NW-di rected, stepwise trans gres sions onto the NW ba sin mar gin fol lowed by sta tion ary or even re gres sive phases (Nehyba et al, 2016;Holcová et al, 2018). The presented data sup port an over all trend of the trans gres sion of neritic fa cies onto the dis tal fore land mar gin, which oc curred with rapid steps (prob a bly tens of kilo metres).…”

Section: Discussion -Stratigraphic Architecture and Evolution Of The mentioning

confidence: 99%

Evolution of a sedimentary infill of a palaeovalley at a distal margin of the peripheral foreland basin

Nehyba

Gilíková

Petrová

et al. 2019

Self Cite

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As so ci ate Ed i tor-Anna Wysocka The en trenched Odra palaeovalley, cut into the bed rock of the dis tal mar gin (forebulge basal un con formity) of the Moravian Carpathian Foredeep (pe riph eral fore land ba sin) is filled with an al most 300 m thick pile of Mio cene de pos its. The directon of the val ley (NW-SE to NNW-SSE) has been con trolled by faults subparallel with the sys tem of sudetic faults". The sed i mentary suc ces sion con sists of 5 fa cies as so ci a tions/depositional en vi ron ments, which are in ter preted (from bot tom to top, i.e. from the old est to the youn gest) as: 1-col lu vial de pos its to de pos its of al lu vial fan, 2-de pos its of al lu vial fan, 3-fan-delta de pos its, 4-shal low wa ter delta to nearshore de pos its and 5-open ma rine de pos its. This fin ing-up and deep en ing-up succes sion re veals the fol low ing: the for ma tion of the new flex ural shape of the ba sin; deep ero sion con nected with up lift and tilting of the forebulge and re ac ti va tion of the NW-SE trending base ment faults; the Early/Mid dle Mio cene sea level fall; al lu vial de po si tion mostly driven by tec ton ics and mor phol ogy; forebulge flex ural re treat; Mid dle-Mio cene sea level rise; back-stepping of val ley infill; ma rine in va sion dur ing the Early Badenian with shift of the coast line fur ther land ward of the pallaeovalley. Tec ton ics re lated to con tem po rary thrust ing pro cesses in the West ern Carpathians are as sumed to be the dom i nat ing fac tor of the stud ied de po si tion at the ex pense of eustatic sea level changes. Prov e nance stud ies have proven that the pre-Neogene base ment (i.e. the Early Car bon if er ous clastic "Culmian fa cies" of the Moravian-Silesian Pa leo zoic) rep re sents an impor tant source for the con glom er ates and sands, which vol u met ri cally dom i nate in the palaeovalley infill. How ever, they also showed, that the de pos its of the ear lier Carpathian Foredeep Ba sin sed i men tary stage (Karpatian in age?) cov ered the area un der study and were eroded and resedimented into the palaeovalley infill.

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“…Helicosphaera waltrans, present in the upper part of the borehole, is usually correlated with a warm surface water layer and a change from estuarine to anti-estuarine circulation (Holcová et al 2018), which could point to the beginning of the isolation of the SGB.…”

Section: Paleoecology Based On Changes In Calcareous Nannofossils Assmentioning

confidence: 99%

“…This period is characterized by the third transgression in the SGB, the second in the Badenian, correlated with the cycle TB 2.4. It is defined by the occurrence of H. waltrans, which is significant for the base of this transgression (Holcová et al 2018). At that time, the main extensional phase in the PBS was still in progress (Royden et al 1982).…”

Section: Late Early Badenianmentioning

confidence: 99%

Miocene paleogeography and biostratigraphy of the Slovenj Gradec Basin: a marine corridor between the Mediterranean and Central Paratethys

Ivančič¹,

Trajanova²,

Ćorić³

et al. 2018

Geologica Carpathica

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The Miocene evolution of the area transitional from the Eastern Alps to the Pannonian Basin System was studied through the paleogeographic evolution of the Slovenj Gradec Basin in northern Slovenia. It is based on mapping, section logging, nannoplankton biostratigraphy, and petrography. The results are correlated with the lithological column of the borehole MD-1/05. The evolution of the basin is connected with the development of the Pannonian Basin System, and the global 3rd order cycles, which influenced the connection with the Mediterranean Sea. Sedimentation started in the Karpatian in a fluvial to lacustrine environment and terminated at the end of the Early Badenian. During this period, three transgression–regression cycles were recorded. The first transgression occurred in the Karpatian and corresponds to the TB 2.2. cycle. The sediments reflect proximity of the hinterland. After a short break in sedimentation, the Early Badenian deposition followed. It marks the second transgression into the SGB, the first Badenian, correlated with the TB 2.3 cycle. There are signs of a transitional environment, which evolved to marine in advanced stages. At the high-stand system tract, the sea flooded the entire Slovenj Gradec Basin. Subsequent reduced quantity and diversity of the microfossils marks the onset of the second regression stage. It is followed by the third transgression, the second in the Badenian, correlated with the TB 2.4 cycle. The late Early Badenian deposition continued in the lower-energy, though occasionally still turbulent environment. Silty sediments with upward increasing content of organic matter indicate shallowing of the basin, until its final diminishing. Layers of fresh-water coal already bear witness to the existence of restricted swamps. After the Early Badenian, the area of the Slovenj Gradec Basin became dry land, exposed to erosion.

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Timing of Langhian bioevents in the Carpathian Foredeep and northern Pannonian Basin in relation to oceanographic, tectonic and climatic processes

Cited by 10 publications

References 66 publications

The mid-Langhian flooding in the eastern Central Paratethys: integrated stratigraphic data from the Transylvanian Basin and SE Carpathian Foredeep

The mid-Langhian flooding in the eastern Central Paratethys: integrated stratigraphic data from the Transylvanian Basin and SE Carpathian Foredeep

Evolution of a sedimentary infill of a palaeovalley at a distal margin of the peripheral foreland basin

Miocene paleogeography and biostratigraphy of the Slovenj Gradec Basin: a marine corridor between the Mediterranean and Central Paratethys

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