Stratigraphic correlation and structural position of Lower Cretaceous flysch-type deposits in the eastern Southern Alps (NW Slovenia)

Goričan, Špela; Žibret, Lea; Košir, Adrijan; Kukoč, Duje; Horvat, Aleksander

doi:10.1007/s00531-018-1636-4

Cited by 21 publications

(43 citation statements)

References 37 publications

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“…The succession continues with various pelagic and gravity deposits (see Fig. 2 and Goričan et al, 2018).…”

Section: Introductionmentioning

confidence: 92%

“…The stratigraphic succession of the Bled Basin starts with Upper Anisian -Ladinian carbonate breccias and volcaniclastic rocks deposited on top of massive Anisian dolomite (Buser, 1980). The overlying formation, which constitutes the focus of this paper, is composed of bedded limestone with chert some hundreds of meters thick (Cousin, 1981;Buser, 1987;Goričan et al, 2018). This formation was first noted by Diener (1884), Härtel (1920), and Budkovič (1978).…”

Section: Introductionmentioning

confidence: 96%

“…(b) Simplified tectonic map of NW Slovenia with extent of Upper Triassic deeper-marine deposits divided into distinct basins, as discussed in the paper: Bled Basin (BB), Tarvisio Basin (TaB), and Tolmin Basin (ToB). The map is modified after Placer (1999), Buser (2010), Gale et al (2015), Goričan et al (2018). The spatial distribution of basinal deposits is based on the map in Rožič (2016).…”

Section: Introductionmentioning

confidence: 99%

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2019

Geologija

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The Bled Basin was a Middle Triassic-Early Cretaceous basin whose remnants are preserved in the eastern Southern Alps in western Slovenia. The early evolution of the basin is recorded in the Upper Ladinian to Lower Jurassic Zatrnik cherty limestone formation, which in the Pokljuka Nappe overlies Middle Triassic volcanics, volcaniclastics and hemipelagic limestones. The Zatrnik Limestone is poorly documented and biostratigraphically not well constrained. The base of the Zatrnik Limestone was logged in four sections in the eastern part of the Pokljuka plateau. An Upper Ladinian Muelleritortis cochleata Radiolarian Zone was recognised in the lowermost part, whereas conodont data indicate Julian to latest Tuvalian/early Norian age for the rest of the logged sections. Microfacies analysis indicates hemipelagic deposition on a basin plain and/or distal slope, which is often interrupted by distal calciturbidites. Izvleček Blejski bazen je bil srednjetriasni do zgodnjekredni globljemorski sedimentacijski prostor, katerega ostanki so ohranjeni v Pokljuškem pokrovu vzhodnih Južnih Alp v zahodni Sloveniji. Zgodnji razvoj bazena je zabeležen v srednjetriasnih vulkanitih, vulkanoklastitih in hemipelagičnih apnencih, ki jim sledi zgornjeladinijska do spodnjejurska formacija Zatrniškega apnenca z roženci. Zatrniški apnenec je sedimentološko in biostratigrafsko razmeroma slabo raziskan. V članku so predstavljeni štirje profili Zatrniškega apnenca z vzhodnega dela Pokljuke, ki zajemajo spodnji del formacije. V najnižjem delu formacije je bila določena zgornjeladinijska radiolarijska cona Muelleritortis cochleata, višji deli profilov pa vsebujejo julske, tuvalske in/ali spodnjenorijske konodontne združbe. Mikrofaciesi kažejo na hemipelagično in turbiditno sedimentacijo na bazenski ravnici in/ ali na distalnem delu pobočja.

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“…The succession continues with various pelagic and gravity deposits (see Fig. 2 and Goričan et al, 2018).…”

Section: Introductionmentioning

confidence: 92%

Section: Introductionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

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Untitled

2019

Geologija

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“…The studied area belongs to the eastern part of the Southern Alps ( Fig. 1), more precisely to the Julian Nappe and Slatna Nappe (Slatna plate in Slatna tectonic outlier in Placer 2016), with the latter representing the highest (or second highest) structural unit of this part of the Southern Alps (Placer 1999Goričan et al 2018). The Julian Nappe is dominated by shallow-water carbonates of the Julian Carbonate Platform (Buser 1987;Jurkovšek 1986;Ogorelec & Buser 1996).…”

Section: Geological Settingmentioning

confidence: 99%

“…The Slatna Nappe consists solely of Carnian massive dolomite and limestone (Jurkovšek 1986;Buser 1987). Thrust structures are further displaced by neotectonic strike slip faults (Placer 1999;Kastelic et al 2008;Šmuc & Rožič 2009;Goričan et al 2018).…”

Section: Geological Settingmentioning

confidence: 99%

Origin of the Jezero v Ledvicah lake; a depression in a gutter-shaped karstic aquifer (Julian Alps, NW Slovenia)

Rožič

Popit²,

Gale³

et al. 2019

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Rožič: Origin of the Jezero v Ledvicah lake; a depression in a gutter-shaped karstic aquifer (Julian Alps, NW Slovenia) The Julian Alps are composed almost exclusively of Triassic to Lower Jurassic carbonates, which results in a karstified high-alpine landscape. In such settings, large water accumulations are not expected and precipitated water drains vertically, gathers in deep, large-scale aquifers, and outflows in large karstic springs located in deeply incised valleys. Some small lakes, however, exist in high alpine areas. Most commonly, they formed above impermeable glacial sediments and are generally characterized by stagnant waters. Jezero v Ledvicah lake, which is one of the seven lakes in the Triglav Lakes Valley, is an exception, because it shows high subaqueous water inflow and outflow and occurs among highly karstified and permeable carbonates. Combining previous research with our new, detailed geological mapping of the lake surroundings and sedimentary research on the Lower Jurassic strata, we propose a hydrogeological model with the aim of explaining the extraordinary behaviour of the lake. We propose that Jezero v Ledvicah lake: A) is part of the "guttershaped" aquifer with perched groundwater that is situated below the floor of the Triglav Lakes Valley; B) barriers of the aquifer are structural (faults and thrust) and stratigraphic (clay interlayers in Lower Jurassic limestone); C) the lake formed in a structural, hydrogeological and morphological depression within this aquifer; D) the groundwater of the aquifer is recharged not solely from the surface directly above the aquifer

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