Significance of Late Permian-Triassic facies zones in terrane reconstructions in the Alpine-North Pannonian domain

Haas, János; Kovács, Sándor; Krystyn, Leopold; Lein, Richard

doi:10.1016/0040-1951(94)00157-5

Cited by 200 publications

(134 citation statements)

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“…the Meliata-Maliac-Vardar Ocean) becomes even more convincing when we compare our area with the Eastern Alps and the Albanides-Hellenides. In the Northern Calcareous Alps of Austria (Lein 1987) and the Korabi-Pelagonia zone in Albania (Meco & Aliaj 2000;Gawlick et al 2008), similar deposits are interpreted to have been deposited in a distal continental margin position (Haas et al 1995;Gawlick et al 1999Gawlick et al , 2008 (Kozur 1991;Less et al 2005), as well as coeval deep-water limestones in the Korabi-Pelagonian zone of Albania . A paleogeographic derivation of the Kopaonik Formation close to the Meliata-Maliac-Vardar branch of the Neotethys is also suggested by the similarity with the Adhami Limestone that occurs in the distal part of the internal Pelagonian continental margin in the Argolis area of Greece and separates the shallow-water platforms (Pantokrator Limestone) of the more proximal margin from the oceanic realm (Baumgartner 1985).…”

Section: Discussionmentioning

confidence: 99%

Triassic metasediments in the internal Dinarides (Kopaonik area, southern Serbia): stratigraphy, paleogeographic and tectonic significance

Schefer¹,

Egli²,

Missoni³

et al. 2010

Geologica Carpathica

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Strongly deformed and metamorphosed sediments in the Studenica Valley and Kopaonik area in southern Serbia expose the easternmost occurrences of Triassic sediments in the Dinarides. In these areas, Upper Paleozoic terrigenous sediments are overlain by Lower Triassic siliciclastics and limestones and by Anisian shallow-water carbonates. A pronounced facies change to hemipelagic and distal turbiditic, cherty metalimestones (Kopaonik Formation) testifies a Late Anisian drowning of the former shallow-water carbonate shelf. Sedimentation of the Kopaonik Formation was contemporaneous with shallow-water carbonate production on nearby carbonate platforms that were the source areas of diluted turbidity currents reaching the depositional area of this formation. The Kopaonik Formation was dated by conodont faunas as Late Anisian to Norian and possibly extends into the Early Jurassic. It is therefore considered an equivalent of the grey Hallstatt facies of the Eastern Alps, the Western Carpathians, and the Albanides-Hellenides. The coeval carbonate platforms were generally situated in more proximal areas of the Adriatic margin, whereas the distal margin was dominated by hemipelagic/pelagic and distal turbiditic sedimentation, facing the evolving Neotethys Ocean to the east. A similar arrangement of Triassic facies belts can be recognized all along the evolving Meliata-MaliacVardar branch of Neotethys, which is in line with a 'one-ocean-hypothesis' for the Dinarides: all the ophiolites presently located southwest of the Drina-Ivanjica and Kopaonik thrust sheets are derived from an area to the east, and the Drina-Ivanjica and Kopaonik units emerge in tectonic windows from below this ophiolite nappe. On the base of the Triassic facies distribution we see neither argument for an independent Dinaridic Ocean nor evidence for isolated terranes or blocks.

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Section: Discussionmentioning

confidence: 99%

Triassic metasediments in the internal Dinarides (Kopaonik area, southern Serbia): stratigraphy, paleogeographic and tectonic significance

Schefer¹,

Egli²,

Missoni³

et al. 2010

Geologica Carpathica

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“…Rifting of the supercontinent Pangea during the Permian to Early Triassic was followed by the opening of the western arm of the Neotethys Ocean from the Middle Triassic (Haas et al, 1995). Then, in connection with the opening of the Atlantic Ocean, a new oceanic basin opened from the Early Jurassic onwards -the Penninic Ocean (-Alpine Tethys‖).…”

Section: Tectonic Setting and Regional Paleogeographymentioning

confidence: 99%

Facies architecture and palaeoenvironmental implications of the upper Cretaceous (Santonian) Csehbánya formation at the Iharkút vertebrate locality (Bakony Mountains, Northwestern Hungary)

Botfalvai

Haas

Bodor

et al. 2016

Palaeogeography, Palaeoclimatology, Palaeoecology

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The Csehbánya Formation (Santonian), exposed in the Iharkút open-pit, BakonyMountains, Hungary, is made up of a cyclic alternation of conglomerate, sandstone, and variegated siltstone and clay deposited in a fluviolacustrine environment. As a result of continuous excavation since 2002 it has yielded rich and diverse continental vertebrate and plant assemblages. A facies and architectural analysis of the Csehbánya Formation at this location identified four main lithofacies associations with eight subtypes consisting of (1) lenticular sandstones representing river channels, (2) conglomerates with sandstone (coarse grained likewise representing channel deposits), (3) heterolithic-channel fill (high density flash flow deposits) (4) splay sandstones produced by crevasse splays, (5) dark sandy siltstone (small-scale stagnant pool deposits with high organic content), (6) greenish-grey claystone (deposits of shallow lakes and ponds), (7) reddish (moderately drained) paleosols, (7) yellowish, mottled (hydromorphic) paleosols.The sedimentological investigations revealed that the terrestrial deposits exposed by the Iharkút open-pit were formed in an anastomosing fluvial system because: (i) the alluvial architecture is characterized by large proportion of overbank deposits encasing the channel sandstone bodies, (ii) the ribbon shaped sandstone bodies are dominant, (iii) cross-bedding and lateral accretion are almost completely absent in the channel fill deposits and (iv) the sandstone bodies are clearly isolated from each other, embedded in floodplain sediments, suggesting multiple co-existing channels.The most important vertebrate fossil site (SZ-6) was examined in special detail because it shows peculiar lithological features. The layers richest in fossils (Unit 1) of site is interpreted as a lag deposit formed during an episodic high density flash flood event representing a relatively short time interval, i.e., probably within a single rainy season. A C C E P T E D M A N U S C R I P T ACCEPTED MANUSCRIPT 1 1. INTRODUCTIONA significant part of continental vertebrate fossils is found in alluvial deposits thus the reconstruction of the depositional history of alluvial sequences is the main goal of any sedimentological, paleontological and taphonomical examination of vertebrate sites (Behrensmeyer, 1982(Behrensmeyer, , 1988Retallack, 1984; Badgley, 1986a,b;Eberth and Miall, 1991;Nadon, 1993;Therrien, 2005;Roberts, 2007). One of the reasons for the accumulation of rich vertebrate fossil-bearing strata is that a relatively high number of animals are attracted to the floodplain due to abundant water and food supply (different plants or prey), which can result in a rich accumulation of bones (Behrensmeyer, 1988;Nadon, 1993;Andersson and Kaakinen, 2004). Furthermore, certain floodplain environments are favourable for bone preservation because of the relatively high depositional rate, post-mortem transportation, and reworking of animal remains by various fluvial processes (Behrensmeyer, 1988;Aslan and Behrensmeyer, 1996)....

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“…On ALCAPA, Paleozoic to Mesozoic sequences with Alpine affinities are found (Vörös et al 1990;Haas et al 1995). Bükk-type and so Dinaric basement rocks characterize the MHZ between the Mid-Hungarian and Balaton-Tóalmás lines (Wein 1969;Balla 1984;Csontos et al 1992) with a weak Cretaceous regional metamorphism (Árkai et al 1995).…”

Section: Stratigraphymentioning

confidence: 99%

Strike-slip reactivation of a Paleogene to Miocene fold and thrust belt along the central part of the Mid-Hungarian Shear Zone

Palotai¹,

Csontos²

2010

Geologica Carpathica

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Abstract:Recently shot 3D seismic data allowed for a detailed interpretation, aimed at the tectonic evolution of the central part of the Mid-Hungarian Shear Zone (MHZ). The MHZ acted as a NW vergent fold and thrust belt in the Late Oligocene. The intensity of shortening increased westwards, causing clockwise rotation of the western regions, relatively to the mildly deformed eastern areas. Blind thrusting and related folding in the MHZ continued in the Early Miocene. Thrusting and gentle folding in the MHZ partly continued in the earliest Pannonian, and was followed by sinistral movements in the whole MHZ, with maximal displacement along the Tóalmás zone. Late Pannonian inversion activated thrusts and generated transpressional movements along the Tóalmás zone.

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Significance of Late Permian-Triassic facies zones in terrane reconstructions in the Alpine-North Pannonian domain

Cited by 200 publications

References 13 publications

Triassic metasediments in the internal Dinarides (Kopaonik area, southern Serbia): stratigraphy, paleogeographic and tectonic significance

Triassic metasediments in the internal Dinarides (Kopaonik area, southern Serbia): stratigraphy, paleogeographic and tectonic significance

Facies architecture and palaeoenvironmental implications of the upper Cretaceous (Santonian) Csehbánya formation at the Iharkút vertebrate locality (Bakony Mountains, Northwestern Hungary)

Strike-slip reactivation of a Paleogene to Miocene fold and thrust belt along the central part of the Mid-Hungarian Shear Zone

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