Post-collisional orogen-parallel large-scale extension in the Eastern Alps

Frisch, Wolfgang; Dunkl, İstván; Kuhlemann, Joachim

doi:10.1016/s0040-1951(00)00204-3

Cited by 211 publications

(237 citation statements)

References 52 publications

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“…Within the geomorphological literature, a similar landform set is known as palaeolandscape (Widdowson 1997 and references therein), gentle erosional landscape (Amato & Cinque 1999) or relict landscape (Clark et al 2006). Though the best potential for their preservation exists in the cratonic cores and in the tectonically stable interiors of continents, planation surfaces and low-relief surfaces may also be identified within several orogenic belts (e.g., Winkler-Hermaden 1957;Adams 1985;Iwata 1987;Kennan et al 1997;Amato & Cinque 1999;Frisch et al 2000;Clark et al 2006;Legrain et al 2014). In agreement with the interpretation of Amato & Cinque (1999) for the Campano-Lucano Apennines, the relicts of the planation surfaces and their connected landforms of western Sicily belong to uncompleted erosion cycles that had a duration of some hundred thousand years and that occurred during the construction of the chain, when the relief was located at a lower elevation, but higher and far from the base-level (S coast), though the topographical surface was gently graded.…”

Section: Discussionmentioning

confidence: 99%

Geomorphological evolution of western Sicily, Italy

Maggio¹,

Madonia²,

Vattano³

et al. 2017

Geologica Carpathica

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This paper proposes a morphoevolutionary model for western Sicily. Sicily is a chain-foredeep-foreland system still being built, with tectonic activity involving uplift which tends to create new relief. To reconstruct the morphoevolutionary model, geological, and geomorphological studies were done on the basis of field survey and aerial photographic interpretation. The collected data show large areas characterized by specific geological, geomorphological, and topographical settings with rocks, landforms, and landscapes progressively older from south to north Sicily. The achieved results display: (1) gradual emersion of new areas due to uplift, its interaction with the Quaternary glacio-eustatic oscillations of the sea level, and the following production of a flight of stair-steps of uplifted marine terraces in southern Sicily, which migrates progressively upward and inwards; in response to the uplift (2) triggering of down-cutting processes that gradually dismantle the oldest terraces; (3) competition between uplift and down-cutting processes, which is responsible for the genesis of river valleys and isolated rounded hills in central Sicily; (4) continuous deepening over time that results in the exhumation of older and more resistant rocks in northern Sicily, where the higher heights of Sicily are realized and the older forms are retained; (5) extensional tectonic event in the northern end of Sicily, that produces the collapse of large blocks drowned in the Tyrrhenian Sea and sealed by coastal-marine deposits during the Calabrian stage; (6) trigger of uplift again in the previously subsiding blocks and its interaction with coastal processes and sea level fluctuations, which produce successions of marine terraces during the Middle-Upper Pleistocene stages.

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Section: Discussionmentioning

confidence: 99%

Geomorphological evolution of western Sicily, Italy

Maggio¹,

Madonia²,

Vattano³

et al. 2017

Geologica Carpathica

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“…The mapped area and surroundings (Figures 1 and 2) include two main structural domains with contrasting tectonic and metamorphic features: the Austroalpine-Penninic collisional wedge and the Southalpine basement (Bigi, Castellarin, Coli, Dal Piaz, Sartori, Scandone, & Vai, 1990;Bistacchi et al, 2004;Castellarin, Nicolich, Fantoni, Cantelli, Sella, & Selli, 2006;Dal Piaz, 2010;Frisch, Dunkl, & Kuhlemann, 2000;Kummerow, Kind, Oncken, Giese, Ryberg, Wylegalla, Scherbaum, & TRANSALP Working Group, 2004;Kurz, Neubauer, Genser, & Dachs, 1998;Lammerer, Gebrande, Lüschen, & Vesela, 2008;Lammerer & Weger, 1998;Lüschen et al, 2004;Schmid, Scharf, Handy, & Rosenberg, 2013). The former is characterized by a generally pervasive Alpine reworking through subductionrelated blueschist and/or Barrovian greenschist to amphibolite facies metamorphism (Oberhänsli, Bousquet, Engi, Goffé, Gosso, Handy, et al, 2004, and refs.…”

Section: Geological Outlinementioning

confidence: 99%

“…The offset cannot be precisely measured, but it could be in the order of several km (e.g. Frisch et al, 2000).…”

Section: Tectonic Evolutionmentioning

confidence: 99%

Geology of the Brenner Pass-Fortezza transect, Italian Eastern Alps

Schiavo¹,

Piaz

Monopoli³

et al. 2014

Journal of Maps

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We present a 1:30,000 geological map resulting from detailed geostructural surveys carried out along the Italian segment of the design corridor for the Brenner Pass railway base tunnel (BBT), extending from Fortezza (Italy) to Innsbruck (Austria). The map covers the southern part of the Austroalpine-Penninic collisional wedge, the Periadriatic Fault System, associated Oligocene igneous bodies (Periadriatic magmatism) and part of the Southalpine basement. The Penninic Zone in the western Tauern Window is represented by the double domal structure of the Europe-derived Tux and Venediger-Zillertal basement and cover nappe system, capped by the ophiolitic Glockner nappe. The overlying Austroalpine nappe system is here represented by the polymetamorphic Merano-Mules basement and minor cover sheets. The Southern Alps domain includes the Bressanone Granite and pre-granite quartz-phyllites. Four Alpine ductile deformation phases have been recognized, followed by ductile-brittle shear zones, and finally brittle deformations along faults with extensional and strike-slip kinematics. The Quaternary is characterized by glacial deposits, large gravitational mass movements and landslides.

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“…is incorporated into Cretaceous collision nappe structure, truncated by steeply south dipping Tertiary dextral (top-to-WNW) strike slip fault zones [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

P-T data of Ky-St-Grt gneisses hosting HP amphibolites and eclogites from the Austroalpine Polinik complex, Kreuzeck Mountains, Eastern Alps, Austria

2011

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This study focuses on metapelites of the Polinik complex in the Kreuzeck Mts. southeast of the Tauern Window, Eastern Alps, where kyanite -staurolite -garnet gneisses host eclogites and high pressure (HP) amphibolites of the Austroalpine basement. The stable mineral assemblage is garnet -staurolite -biotite -kyanite -quartz. Estimated metamorphic conditions from conventional geothermobarometry are 654±30 • C and 0.9±0.08 GPa, and Average P-T values calculated by THERMOCALC, are 665±15 • C at 0.77±0.09 GPa. Formation of the present mineral association in gneisses is related to the exhumation (D2) stage of hosted eclogites/HP amphibolites within a lateral strike-slip zone.

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Post-collisional orogen-parallel large-scale extension in the Eastern Alps

Cited by 211 publications

References 52 publications

Geomorphological evolution of western Sicily, Italy

Geomorphological evolution of western Sicily, Italy

Geology of the Brenner Pass-Fortezza transect, Italian Eastern Alps

P-T data of Ky-St-Grt gneisses hosting HP amphibolites and eclogites from the Austroalpine Polinik complex, Kreuzeck Mountains, Eastern Alps, Austria

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