Contrasting along-strike deformation styles in the central external Dinarides assessed by balanced cross-sections: Implications for the tectonic evolution of its Paleogene flexural foreland basin system

Balling, Philipp; Tomljenović, Bruno; Schmid, Stefan M.; Ustaszewski, Kamil

doi:10.1016/j.gloplacha.2021.103587

Cited by 20 publications

(21 citation statements)

References 48 publications

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“…On the basis of orogen‐wide surface uplift of the Dinarides in Oligo‐Miocene times and simultaneous emplacement of igneous rocks (33–22 Ma) in the Internal Dinarides, Balling et al. (2021) proposed post‐collisional mantle delamination beginning at 28 Ma and terminated 22 Ma ago.…”

Section: Discussionmentioning

confidence: 99%

Geophysical‐Petrological Model for Bidirectional Mantle Delamination of the Adria Microplate Beneath the Northern Apennines and Dinarides Orogenic Systems

et al. 2022

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The N-S convergence between the African and Eurasian plates since the Late Cretaceous is recognized as the primary causal mechanism for the squeezing of intervening microplates, bounded by narrow branches of the Neo-Tethys Ocean (e.g., Dewey et al., 1989). In particular, it drove to the development of subduction and collision orogens in the Central-Western Mediterranean region, which is a part of the active Alpine-Mediterranean mobile belt. The Adria microplate plays a key role in this geodynamic puzzle since Jurassic times, when the Vardar ophiolitic obduction started, followed by continental collisions with the Tisza microplate and Eurasian plate (Schmid et al., 2020). Subsequently, the NW-SE trending Dinarides orogenic belt developed along the NE margin of Adria whereas the NW-SE trending Apennines fold-thrust belt evolved in its SW margin. The Adria-Eurasia

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Section: Discussionmentioning

confidence: 99%

Geophysical‐Petrological Model for Bidirectional Mantle Delamination of the Adria Microplate Beneath the Northern Apennines and Dinarides Orogenic Systems

et al. 2022

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“…As a result, the lithological succession in the Dinarides is characterized by Internal Dinaridic units that comprise ophiolitic succession and pelagic derived sedimentary rocks, while External Dinaridic units are 120 dominated by mainly Mesozoic shallow marine carbonate complex that in places reach c. 8000 m (Vlahović et al, 2005). Due to paleogeographic differences and tectonic complexity, Dinaridic lithological succession is spatially highly varied in its thickness and exposure (Vlahović et al, 2005, Schmid et al, 2020Balling et al, 2021).…”

Section: Tectonic and Geological Settingmentioning

confidence: 99%

“…The interface with the least data at our disposal was the Carbonate complex bottom depth. The 245 Carbonate complex bottom depth was estimated combining geological and structural data published in available Basic Geological Maps at the 1:100,000 scale with accompanying Explanatory Notes that cover entire Dinaridic area, as well as geological-structural data published in studies of Tišljar et al (2002), Vlahović et al, (2005) and Balling et al, (2021). Based on the collected data, we determined the spatial extent of the Mesozoic-Paleogene Carbonate complex.…”

mentioning

confidence: 99%

“…Accordingly, assessment of Carbonate complex thickness was initially performed at the scale of each of more than 80 geological maps covering the study area, using thicknesses presented in geological columns on each map. Derived Carbonate rock complex thickness values were further analyzed and recalculated in respect to deformation styles and large-255 scale structural relations (described by Balling et al, 2021). This means that the several mapped carbonate nappe systems in the Dinarides that could reach total stacking thicknesses up to 12000 m, were in most cases not evenly spatially distributed, and often were either omitted or significantly reduced.…”

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confidence: 99%

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Referent seismic crustal model of the Dinarides

Zailac

Matoš

Vlahović

et al. 2023

Preprint

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Abstract. Continental collision zones are structurally one of the most heterogeneous areas intermixing various units within relatively small space. The good example of this are the Dinarides where thick carbonate complex cover overlain older crystalline basement units and remnants of subducted oceanic crust. This is further complicated by the highly variable crustal thickness ranging from 20 to almost 50 km. In terms of spatial extension, this area is relatively small, but covers tectonically very differentiated domains making the analysis complex, with significant challenges in areas with less data coverage. Presently there is no complete 3-D crustal model of the Dinarides (and the surrounding areas). Using the compilations of previous studies, we have created vertically, and laterally varying crustal models defined on a regular grid for the wider area of the Dinarides, also covering parts of Adriatic Sea and SW part of the Pannonian Basin. In addition to the seismic velocities (P- and S-) and density, three interfaces in our model were defined – Neogene deposits bottom, Carbonate complex bottom and Moho discontinuity. Neogene deposits and the Paleozoic to Eocene Carbonate complex rocks are not present in all areas of the model whereas Moho discontinuity depth is defined for the entire model. The newly derived model has been compared with the simple 1D model used for routine earthquake location in Croatia, and it proved to be a significant improvement. The model derived in this work represents the first step towards improving our knowledge of the crustal structure in the complex area of the Dinarides. We hope that the newly assembled model will be useful for all the forthcoming studies which require knowledge of the crustal structure.

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“…The Dinaridic mountain chain is made of thick and tectonized Carboniferous to Quaternary sedimentary successions [Pamić et al, 1998]. A plethora of Alpine tectonic events controlled the evolution of the Dinarides from the Late Permian to Oligocene; however, the most prominent event was the tectonic uplift and formation of an imbricated nappe system during the Late Eocene to Oligocene, which ultimately brought about a fold-and-thrust belt of the Dinarides [Pamić et al, 1998, Balling et al, 2021. The Dinarides are consisted of the two parallel belts (Figure 1a): External Dinaridic platform and Internal Dinarides.…”

Section: Introductionmentioning

confidence: 99%

Triassic evolution of the Adriatic-Dinaridic platform’s continental margins—insights from rare dolerite subvolcanic intrusions in External Dinarides, Croatia

Slovenec¹,

Belak²,

Badurina³

et al. 2023

Comptes Rendus. Géoscience

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This contribution reports new findings on petrogenesis and possible geotectonic setting of rare subvolcanic Triassic(?) dolerite cropping out in External Dinarides with a goal to contribute to the debate on the geodynamic evolution of the continental margin of the Adriatic-Dinaridic platform(s) at the onset of the Mesozoic. Petrography of the studied rocks revealed the crystallization order: clinopyroxene → plagioclase → alkali-feldspar ± amphibole ± Fe-Ti oxides. The geochemistry of calc-alkaline dolerite suggested magma generation from a spinel-garnet bearing peridotite mantle source (60sp:40grt). Two mechanisms explaining the origin of dolerite are here suggested. The first one involves a low-grade partial melting of the altered lithospheric mantle and the subduction-modified oceanic lithosphere accompanied with subducted/recycled sediments. The second one proposes a melting of the subduction-altered heterogeneous lithospheric (subcontinental) mantle contaminated and/or metasomatized during an earlier Variscan subduction in the Late Paleozoic. Accordingly, two geodynamic interpretations are suggested: (i) Middle Triassic north-vergent active subduction of the Paleotethys beneath the Andean-type active Laurasian continental margin coupled by the formation of a pericontinental volcanic arc and subsequent extension and back-arc rifting, within the Adria Plate, which led to the formation of locally aborted rift systems and subsidence of the platform, and (ii) Middle Triassic extension, unaffected by contemporaneous active subduction, of the High Karst

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Contrasting along-strike deformation styles in the central external Dinarides assessed by balanced cross-sections: Implications for the tectonic evolution of its Paleogene flexural foreland basin system

Cited by 20 publications

References 48 publications

Geophysical‐Petrological Model for Bidirectional Mantle Delamination of the Adria Microplate Beneath the Northern Apennines and Dinarides Orogenic Systems

Geophysical‐Petrological Model for Bidirectional Mantle Delamination of the Adria Microplate Beneath the Northern Apennines and Dinarides Orogenic Systems

Referent seismic crustal model of the Dinarides

Triassic evolution of the Adriatic-Dinaridic platform’s continental margins—insights from rare dolerite subvolcanic intrusions in External Dinarides, Croatia

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