Tertiary cooling and exhumation history in the Maramures area (internal eastern Carpathians, northern Romania): thermochronology and structural data

Gröger, Heike R.; Fügenschuh, Bernhard; Tischler, Matthias; Schmid, Stefan M.; Foeken, J.

doi:10.1144/sp298.9

Cited by 29 publications

(31 citation statements)

References 67 publications

(66 reference statements)

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“…Figure 5c is an enlargement of Figure 5b for the Neogene time period to zoom in on the Miocene collisional and subsequent postcollisional exhumation ages. Figure 6 agreement with the ∼4 km of exhumation previously reported for the East Carpathians [Sanders et al, 1999;Gröger et al, 2008] and with the age of syntectonic and posttectonic sediments [Matenco and Bertotti, 2000;Săndulescu et al, 1981]. Middle Miocene deformation gradually dies out toward the foreland, which is indicated by continuous sedimentation in the Subcarpathian nappe and foredeep.…”

Section: Miocene Contraction and Collision Of The East And Se Carpathsupporting

confidence: 90%

“…Quantitative thermochronological constraints on the exhumation history related to these deformations are available for the South Carpathians [Fügenschuh and Schmid, 2005, and references therein] or for isolated parts in the East Carpathians [e.g., Gröger et al, 2008] (Figure 1). No quantitative constraints on the pre-Miocene evolution of the SE Carpathians are available.…”

Section: Introductionmentioning

confidence: 99%

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From nappe stacking to out‐of‐sequence postcollisional deformations: Cretaceous to Quaternary exhumation history of the SE Carpathians assessed by low‐temperature thermochronology

Merten¹,

Maţenco

Foeken

et al. 2010

Tectonics

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[1] Apatite fission track (AFT) and (U-Th)/He (AHe) thermochronology have been combined to constrain the exhumation history of the SE Carpathians. Cooling ages generally decrease from Cretaceous for the internal basement nappes (AFT ages), to Miocene-Quaternary (AFT and AHe, respectively) for the external sedimentary wedge. The AFT and AHe data show a Paleogene age cluster, which confirms a suspected but never demonstrated tectonic event. The new data furthermore suggest that the SE Carpathians have been affected by a middle Miocene exhumation phase related to continental collision, which occurred at rates of ∼0.8 mm/yr, similar to the one previously inferred for the East Carpathians. The SE Carpathian tectonic evolution, however, is overprinted by two younger exhumation events in the Pliocene-Pleistocene. The first exhumation phase (latest Miocene-early Pliocene) occurred at high exhumation rates (∼1.7 mm/yr) and is interpreted as a tectonic event and/or associated with a sea level drop in the Paratethys basins during the Messinian low stand. The youngest recorded tectonic phase suggests rapid Pleistocene exhumation (∼1.6 mm/yr) and is interpreted to represent crustal-scale shortening different in mechanics from collisional processes. The data suggest that the SE Carpathians did not develop as a typical double-vergent orogenic wedge; instead, exhumation was related to a foreland-vergent sequence of nappe stacking during collision and was subsequently followed by a large out-of-sequence shortening event truncating the already locked collisional boundary.

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Section: Miocene Contraction and Collision Of The East And Se Carpathsupporting

confidence: 90%

Section: Introductionmentioning

confidence: 99%

From nappe stacking to out‐of‐sequence postcollisional deformations: Cretaceous to Quaternary exhumation history of the SE Carpathians assessed by low‐temperature thermochronology

Merten¹,

Maţenco

Foeken

et al. 2010

Tectonics

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“…They usually form independent bodies piercing various basement lithologies (metamorphic or sedimentary) [207][208][209][210]. The independent intrusions are mostly outcropping in strongly eroded terranes [211]. Few complex studies involving K/Ar, Ar/Ar dating, and U-Pb dating on zircon crystals from successive mineralized and barren intrusions (e.g.…”

Section: Intrusive Forms Related To Intermediate Calcalkaline Rocksmentioning

confidence: 99%

“…They were controlled by secondary conjugate extensional faults (NW-SE and NE-SW) located both to the North (Toroiaga) and South (Poiana Botizei, Ţibleș, Rodna-Bârgȃu) of the main fault trace (Figures 1, 11 -area 6). Even a detailed assessment on the estimation of intrusion depths is still missing, however the recent integrated thermochronological (fission track and (U-Th)/He analysis) data suggests an important amount of exhumation of ca 5-7 km in areas with subvolcanic bodies between 13-7 Ma in a similar time interval with dated rocks [211]. A possible relationship with volcanism especially of the larger bodies (∼10 km across) cannot be entirely excluded.…”

Section: ţIbleș -Rodnamentioning

confidence: 99%

Neogene-Quaternary Volcanic forms in the Carpathian-Pannonian Region: a review

et al. 2010

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Neogene to Quaternary volcanic/magmatic activity in the Carpathian-Pannonian Region (CPR) occurred between 21 and 0.1 Ma with a distinct migration in time from west to east. It shows a diverse compositional variation in response to a complex interplay of subduction with roll-back, back-arc extension, collision, slab break-off, delamination, strike-slip tectonics and microplate rotations, as well as in response to further evolution of magmas in the crustal environment by processes of differentiation, crustal contamination, anatexis and magma mixing. Since most of the primary volcanic forms have been affected by erosion, especially in areas of post-volcanic uplift, based on the level of erosion we distinguish: (1) areas eroded to the basement level, where paleovolcanic reconstruction is not possible; (2) deeply eroded volcanic forms with secondary morphology and possible paleovolcanic reconstruction; (3) eroded volcanic forms with remnants of original morphology preserved; and (4) the least eroded volcanic forms with original morphology quite well preserved. The large variety of volcanic forms present in the area can be grouped in a) monogenetic volcanoes and b) polygenetic volcanoes and their subsurface/intrusive counterparts that belong to various rock series found in the CPR such as calc-alkaline magmatic rock-types (felsic, intermediate and mafic varieties) and alkalic types including K-alkalic, shoshonitic, ultrapotassic and Na-alkalic. The following volcanic/subvolcanic forms have been identified: (i) domes, shield volcanoes, effusive cones, pyroclastic cones, stratovolcanoes and calderas with associated intrusive bodies for intermediate and basic calc-alkaline volcanism; (ii) domes, calderas and ignimbrite/ash-flow fields for felsic calc-alkaline volcanism and (iii) dome flows, shield volcanoes, maars, tuffcone/tuff-rings, scoria-cones with or without related lava flow/field and their erosional or subsurface forms (necks/ plugs, dykes, shallow intrusions, diatreme, lava lake) for various types of K-and Na-alkalic and ultrapotassic magmatism. Finally, we provide a summary of the eruptive history and distribution of volcanic forms in the CPR using several sub-region schemes.

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“…1) formed in response to the Alpine evolution of several continental blocks (Apulia, Adria, ALCAPA, Tisza, Dacia, as well as the European-Scythian-Moesian Platforms and the Anatolia block) separated by Tethysian oceanic branches. According to recent papers on tectonics, exhumation, and volcanism (Morley 1996;Bădescu 1997;Mason et al 1998;Hippolyte et al 1999;Sanders et al 1999; Ma enco Seghedi et al 2004;Golonka et al 2006;Gröger et al 2008;Schmid et al 2008;Merten et al 2010;Márton et al 2011) these blocks have drifted and collided since the Cretaceous, with a progressive reorientation of convergence directions (Mann 1997).…”

Section: Geological Backgroundmentioning

confidence: 99%

Tectonic control on the sedimentary record of the central Moldavidian Basin (Eastern Carpathians, Romania)

Guerrera¹,

Martín²,

A.³

et al. 2012

Geologica Carpathica

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Abstract:The sedimentary record of the Tarcău and Vrancea Nappes, belonging to the flysch accretionary zone of the Eastern Carpathians (Eastern Carpathian Outer Flysch), registered Cretaceous-Miocene events during the evolution of the Moldavidian Basin. Our biostratigraphic data indicate that the deposits studied are younger than previously reported. The comparison of sedimentary record studied with the Late Cretaceous-Early Miocene global eustatic curve indicates that eustatic factor played a secondary role, after the tectonic one. Four main stages of different processes influenced by tectonics are recognized in the sedimentary record: (1) Campanian-Maastrichtian-earliest Paleocene; (2) latest Ypresian-Lutetian; (3) late Chattian-earliest Aquitanian, and (4) late Aquitanian-early Burdigalian. The late Chattianearliest Aquitanian and late Aquitanian-early Burdigalian records indicate a high tectonic influence. The first event was related to the foredeep stage of the sedimentary domain studied, and the second one to the deformation stage of the same domain. The sedimentary records of tectonic influence recognized during these stages are useful tools for geodynamic reconstructions. The stratigraphic correlation of Tarcău and Vrancea sedimentary records are used to propose some constraints in the timing of the deformation for the central Moldavidian Basin and close domains.

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Tertiary cooling and exhumation history in the Maramures area (internal eastern Carpathians, northern Romania): thermochronology and structural data

Cited by 29 publications

References 67 publications

From nappe stacking to out‐of‐sequence postcollisional deformations: Cretaceous to Quaternary exhumation history of the SE Carpathians assessed by low‐temperature thermochronology

From nappe stacking to out‐of‐sequence postcollisional deformations: Cretaceous to Quaternary exhumation history of the SE Carpathians assessed by low‐temperature thermochronology

Neogene-Quaternary Volcanic forms in the Carpathian-Pannonian Region: a review

Tectonic control on the sedimentary record of the central Moldavidian Basin (Eastern Carpathians, Romania)

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