Early Cenozoic Tectonics and Paleogeography of the Pannonian and Surrounding Regions

Royden, L.; Báldi, T.

doi:10.1306/m45474c1

Cited by 20 publications

(4 citation statements)

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“…Evidence for subduction and closure of an ocean basin during Miocene formation of the Eastern Carpathians is preserved in ophiolites (Transylvanides) between the Southern Carpathians and northern Apuseni Mountains [72,73]. Mainly two alternative models regarding the reconstruction of the past evolution of the system were proposed: (1) an oceanic lithosphere attached to the East European craton that was subducted W-and SW-ward along the Carpathians during Miocene time [3, 13] and (2) a subducting basin attached to the Moesian platform that was subducted NW-ward beneath the Carpathian orogen [41,22,47].…”

Section: Subduction Of An Oceanic Relic Lithospherementioning

confidence: 99%

What we know and what we don't know about the earthquakes in the Vrancea region (Romania)

Rădulian¹,

Popa²,

Dinescu³

2023

AnnalsARSciPhysChem

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Vrancea is one of the few seismic sources on the Globe that generates major earthquakes (7 to 8 magnitude) at intermediate depth (60 – 180 km) in a very confined seismogenic volume (seismic nest). Understanding how these earthquakes are generated is of wide interest both scientifically and considering the major impact of these earthquakes in Romania and neighbouring countries. The present paper is an overview of what we know at present and what still remains to be clarified in the future regarding the seismic process in the Vrancea area. The prominent features of the Vrancea prone-earthquake system are critically presented discussing their consistency with observation data, concordances and discrepancies and how to interpret them in the light of the latest research. Key elements are analysed related to geodynamic modelling (nature of the cold and dense material descending into the mantle, coupling of the Vrancea slab with the overlying continental crust) and seismicity patterns showing specific characteristics as geometrical configuration in consistence with the predominant focal mechanism and possible physico-geochemical reactions at critical temperature-pressure conditions.

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Section: Subduction Of An Oceanic Relic Lithospherementioning

confidence: 99%

What we know and what we don't know about the earthquakes in the Vrancea region (Romania)

Rădulian¹,

Popa²,

Dinescu³

2023

AnnalsARSciPhysChem

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“…Jankowski (2007Jankowski ( , 2015 and Jankowski and Wysocka (2019) have ad di tion ally dis tin guished an extensional stage, dur ing which sed i men ta tion took place in half-graben struc tures. The pro cess of ba sin clo sure and sed imen ta tion ces sa tion was diachronous, pro gress ing from west to east; in Ro ma nia, this pro cess ex tended into the Plio cene (e.g., Royden and Baldi, 1988;Linzer et al, 1998;.…”

Section: Geological Settingmentioning

confidence: 99%

Palynofacies analysis, sedimentology and hydrocarbon potential of the Menilite Beds (Oligocene) in the Slovakian and Romanian Outer Carpathians

Filipek

2020

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The sed i men tary or ganic mat ter (SOM) as sem blages and sedimentology of the Menilite Beds from the Dukla, Grybów and Vrancea units in the Slovakian and Ro ma nian Outer Carpathians are de scribed. Qual i ta tive and quan ti ta tive anal y ses of the SOM help as cer tain depositional con di tions, while the ther mal ma tu rity of the or ganic mat ter stud ied is es ti mated uti liz ing the Spore Col our In dex and UV light ex ci ta tion tech niques. The sed i men tary or ganic par ti cles were grouped into ten SOM cat ego ries: ma rine palynomorphs (dinoflagellate cysts), sporomorphs (saccate and non-saccate, pol len and spores), fresh wa ter al gae (Botryococcus sp., and other fresh wa ter microplankton), phytoclasts (cu ti cles, trans lu cent wood, opaque wood), resin and amor phous or ganic mat ter (AOM). All sam ples are dom i nated by AOM. The pres ence of Botryococcus sp., Pediastrum sp., Pterospermella sp. and Campenia sp., in some sam ples points to de po si tion un der hyposaline con di tions. It is in terpreted that the fresh wa ter in flux in duced wa ter col umn strat i fi ca tion in the ba sin, lead ing to the de vel op ment of dysoxic to anoxic bot tom-wa ter con di tions that en hanced the pres er va tion of AOM. Kerogen anal y sis in UV light and eval u a tion us ing the Spore Col our In dex dem on strated dif fer ent ther mal mat u ra tion pat terns from the Slovakian (post-ma ture) and Ro ma nian (im ma ture) sec tions. In te grated palynofacies anal y sis (no ta bly, the pres ence of fresh wa ter al gae) and sedimentological obser va tions (e.g., hummocky cross-strat i fi ca tion) lead to the con clu sion that the de po si tion of the Menilite Beds in the Vrancea Unit (Ro ma nia) was rel a tively prox i mal to the shore line, above storm wave base, whereas the Slovakian units (Dukla and Grybów) were de pos ited in a more dis tal set ting.

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“…Pannonian Basin opened as a back-arc basin through a set of low angle normal and strike slip faults which resulted in the formation of depressions and basement highs between late Early Miocene and early Late Miocene, 20-11 Ma (Royden and Baldi, 1988;Tari et al, 1999). From Middle/Late Miocene Boundary until early Late Miocene the post-rift inversion of the Pannonian Basin initiated, and followed by a long term post-rift thermal subsidence which led to the formation of deep basins (Tari et al, 1999).…”

Section: The Pannonian Basinmentioning

confidence: 99%

Diagenesis and reservoir quality of Pannonian lacustrine deposits in the Makó Trough, SE Hungary

Szőcs¹

2019

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Early Cenozoic Tectonics and Paleogeography of the Pannonian and Surrounding Regions

Cited by 20 publications

References 0 publications

What we know and what we don't know about the earthquakes in the Vrancea region (Romania)

What we know and what we don't know about the earthquakes in the Vrancea region (Romania)

Palynofacies analysis, sedimentology and hydrocarbon potential of the Menilite Beds (Oligocene) in the Slovakian and Romanian Outer Carpathians

Diagenesis and reservoir quality of Pannonian lacustrine deposits in the Makó Trough, SE Hungary

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