Low-T thermochronometric evidence for post-thrusting (&lt; 11 Ma) exhumation in the Western Outer Carpathians, Poland

Mazzoli, Stefano; Jankowski, Leszek; Szaniawski, Rafał; Zattin, Massımılıano

doi:10.1016/j.crte.2009.11.001

Cited by 27 publications

(39 citation statements)

References 17 publications

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“…A more reliable estimate is provided by fission track studies (cf. Mazzoli et al, 2010). These data indicate that exhumation (32.1±4.8 to 7.0±0.8 Ma) was in part coeval with tectonic shortening, relatively fast, and "younging" towards the east.…”

Section: Discussionmentioning

confidence: 65%

“…These data indicate that exhumation (32.1±4.8 to 7.0±0.8 Ma) was in part coeval with tectonic shortening, relatively fast, and "younging" towards the east. The average rate of exhumation (0.6 to 0.8 mm per year, depending on the assumed value of geothermal gradient) largely exceeded the reconstructed rates of erosion, pointing to dominant role played by extension-related tectonic exhumation (Mazzoli et al, 2010).…”

Section: Discussionmentioning

confidence: 96%

“…Moderate values of Bouguer gravity anomalies point to the role Figure 16. "Planation surfaces" in the Polish Carpathians versus the Late Cenozoic time scale and timing of exhumation inferred from apatite fission track dating (compiled after Kováč et al, 1994, Baumgart-Kotarba andKrál, 2002;Oszczypko et al, 2005;Geological Time Scale, 2008;and Mazzoli et al, 2010). of non-isostatic processes leading to young uplift ranging between 250 m and 550 m (Zoetemeijer et al, 1999).…”

Section: Discussionmentioning

confidence: 99%

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Planation surfaces in the Polish Carpatians: myth or reality?

Zuchiewicz¹

2011

Geogr.Pol.

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Abstract:Previous views concerning the number and age of planation surfaces in the Polish segment of the Carpathians varied depending on the state of recognition of geological structure of the area. The most commonly accepted opinion says that at least three such surfaces, representing remnants of pre-existing landscapes, can be traced in the study region. These include the intramontane (Early Pliocene), foothills (Late Pliocene) and riverside (Early Pleistocene) levels. Scarce fission track data pertaining to the age of exhumation of the Carpathian orogen indicate that the preserved "planation surfaces" could not had formed before ca. 7 Ma. A possibility exists, however, that individual bevels could have been shaped at the same time at different altitudes, with respect to local base levels and differentiated bedrock resistance to erosion.

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Section: Discussionmentioning

confidence: 65%

Section: Discussionmentioning

confidence: 96%

Section: Discussionmentioning

confidence: 99%

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Planation surfaces in the Polish Carpatians: myth or reality?

Zuchiewicz¹

2011

Geogr.Pol.

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“…However, as mentioned above, similar profile could have resulted from the thermal relaxation after Miocene volcanism ceased. Pure thermal relaxation does not seem very likely, especially, when taking into account that both in the Tatra Mts, immediately to the south, as well as in the OC immediately to the north of the Podhale Basin, at the same time exhumation took place (Burchart 1972;Krá 1977;Kováč et al 1994;Struzik et al 2002;Anczkiewicz et al 2005;Mazzoli et al 2010;Śmigielski et al 2010, 2011Botor et al 2011;Zattin et al 2011). Hence, we favour a more complex scenario, in which thermal relaxation is accompanied by slow uplift and erosion during the collisional period.…”

Section: Discussionmentioning

confidence: 99%

Thermal history of the Podhale Basin in the internal Western Carpathians from the perspective of apatite fission track analyses

Anczkiewicz¹,

Środoń²,

Zattin³

2013

Geologica Carpathica

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Abstract:The thermal history of the Paleogene Podhale Basin was studied by the apatite fission track (AFT) method. Twenty four Eocene-Oligocene sandstone samples yielded apparent ages from 13.8 ± 1.6 to 6.1 ±1.4 Ma that are significantly younger than their stratigraphic age and thus point to a post-depositional resetting. The thermal event responsible for the age resetting is interpreted as a combination of heating associated with mid-Miocene volcanism and variable thickness of Oligocene and potentially also Miocene sediments. Extending the mid-Miocene thermal event found in the Inner Carpathians into the Podhale Basin as a likely heat source suggests that the amount of denudation in the Podhale Basin determined only on the basis of heat related to the thickness of sedimentary sequence might have be significantly overestimated. Two samples from the western part of the basin that yielded 31.0 ± 4.3 and 26.9 ± 4.7 Ma are interpreted as having mixed ages resulting from partial resetting in temperature conditions within the AFT partial annealing zone. This observation agrees very well with reported vitrinite reflectance and illite-smectite thermometry, which indicate a systematic drop of the maximum paleotemperatures towards the western side of the basin.

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“…Their age is com pa ra ble to the results of AHe stud ies from the Outer Carpathians (cf. Mazzoli et al, 2010;Andreucci et al, 2013) and this might sug gest that these crys tals were re-de pos ited and trans ported to the Carpathian Foredeep Ba sin from the eroded Outer Carpathian thrust sheets. The sec ond group of ap a tite crys tals is char ac ter ized by an age of 11.6 ± 1.5 Ma.…”

Section: Calcareous Nannoplanktonmentioning

confidence: 96%

Structure and evolution of the Carpathian thrust front between Tarnów and Pilzno (Pogórska Wola area, southern Poland) – results of integrated analysis of seismic and borehole data

Krzywiec¹,

Oszczypko²,

Bukowski³

et al. 2014

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Seis mic data and core from the shal low car to graphic Pilzno P-7 bore hole were used to con struct a new model of the Carpathian orogenic front be tween Tarnów and Pilzno, in the Pogórska Wola area (south ern Po land). The most ex ter nal, fron tal thrust of the orogenic wedge (the Jaoeniny struc ture) was iden ti fied as a syn-depositional fault-prop a ga tion fold detached above the Up per Badenian evaporites. Its for ma tion was con trolled by the pres ence of me chan i cally weak foredeep evaporites and by the mor phol ogy of the sub-Mio cene Meso-Pa leo zoic fore land plate (Jaoeniny and Pogórska Wola palaeovalleys). The fron tal zone of the Carpathian orogenic wedge (the Skole thrust sheet and the de formed foredeep depos its of the Zg³obice thrust sheet) is char ac ter ized by sig nif i cant backthrusting of the foredeep suc ces sion to wards the south, and by the pres ence of a tri an gle zone, with strongly de formed Up per Badenian evaporites of the Wieliczka For ma tion in its core. The tri an gle zone was formed dur ing the lat est thrust ing move ments of the Carpathians. An in di ca tion of the ex istence of the tri an gle zone in the vi cin ity of Dêbica has also been pro vided by re in ter pre ta tion of the ar chive re gional geo log ical cross-sec tion. The youn gest foredeep de pos its, brought to the sur face above the backthrust, have been dated as Sarmatian (NN7 nannoplankton zone), which in di cates that the lat est thrust move ments within the fron tal Carpathian orogenic in the vi cin ity of Tarnów-Dêbica took place approx. 11-10 mil lion years ago. Thermochronological stud ies (AFT and AHe) in di cated that the foredeep suc ces sion drilled by the Pilzno P-7 bore hole has not been bur ied deeper than 1.5-2 km, which is com pat i ble with re con struc tion based on the seis mic data.

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Low-T thermochronometric evidence for post-thrusting (< 11 Ma) exhumation in the Western Outer Carpathians, Poland

Cited by 27 publications

References 17 publications

Planation surfaces in the Polish Carpatians: myth or reality?

Planation surfaces in the Polish Carpatians: myth or reality?

Thermal history of the Podhale Basin in the internal Western Carpathians from the perspective of apatite fission track analyses

Structure and evolution of the Carpathian thrust front between Tarnów and Pilzno (Pogórska Wola area, southern Poland) – results of integrated analysis of seismic and borehole data

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