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Late Cretaceous age of magmatism at Vršatec in the Pieniny Klippen Belt, Western Carpathians, Slovakia

Jakub Bazarnik

Jakub Bazarnik

Polish Geological Institute – National Research Institute, Carpathian BranchKraków, Poland
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Bazarnik, Jakub
, 
Marína Molčan Matejová

Marína Molčan Matejová

Department of Geology and Paleontology, Faculty of Natural Sciences, Comenius University in BratislavaBratislava, Slovakia
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Matejová, Marína Molčan
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Piotr Lenik

Piotr Lenik

Polish Geological Institute – National Research Institute, Carpathian BranchKraków, Poland
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Lenik, Piotr
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Dušan Plašienka

Dušan Plašienka

Department of Geology and Paleontology, Faculty of Natural Sciences, Comenius University in BratislavaBratislava, Slovakia
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Plašienka, Dušan
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Tomáš Potočný

Tomáš Potočný

  • Department of Geology and Paleontology, Faculty of Natural Sciences, Comenius University in BratislavaBratislava, Slovakia
  • Faculty of Geology, Geophysics and Environmental Protection, AGH – University of Krakow, alKraków, Poland
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Potočný, Tomáš
 et 
Magdalena Pańczyk

Magdalena Pańczyk

Polish Geological Institute – National Research Institute, Micro-Area Analysis LaboratoryWarszawa, Poland
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Pańczyk, Magdalena
  
26 sept. 2024
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Catégorie d'article: Letter
Publié en ligne: 26 sept. 2024
Pages: 40 - 47
Reçu: 09 mai 2024
Accepté: 01 août 2024
DOI: https://doi.org/10.2478/mipo-2024-0004
Mots clés
© 2024 Jakub Bazarnik et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1.

General geological sketch of the northwestern part of the Western Carpathians (after Plašienka 2015, modified; orange polygon A) showing the position of the study area (red rectange B - Figure 2).
General geological sketch of the northwestern part of the Western Carpathians (after Plašienka 2015, modified; orange polygon A) showing the position of the study area (red rectange B - Figure 2).

Figure 2.

Geological map of the Vršatec Klippen area (after Schlögl et al., 2009, modified) showing the position of the studied peperit (red star).
Geological map of the Vršatec Klippen area (after Schlögl et al., 2009, modified) showing the position of the studied peperit (red star).

Figure 3.

The outcrop of the peperite from Vršatec (A) and photomicrographs of magmatic clasts cemented by calcite (B); Cal – calcite; Px – Pyroxene; cm - carbonate matrix; mc – magmatic clast; vg - volcanic glass.
The outcrop of the peperite from Vršatec (A) and photomicrographs of magmatic clasts cemented by calcite (B); Cal – calcite; Px – Pyroxene; cm - carbonate matrix; mc – magmatic clast; vg - volcanic glass.

Figure 4.

Cathodoluminescence images of analyzed zircon grains.
Cathodoluminescence images of analyzed zircon grains.

Figure 5.

Ion microprobe results. Lower Intercept age (A) and U-Pb Concordia (B) diagrams.
Ion microprobe results. Lower Intercept age (A) and U-Pb Concordia (B) diagrams.

Ion microprobe zircon data of analyzed peperite_

Sample U(ppm) Th (ppm) Th/U 204Pb/206Pb (%) error 206Pbc (%) 238U/206Pb* ±% 207Pb*/206Pb* ±% 207Pb*/235U ±% 206Pb*/238U ±% error corr. 206pb/238U age (Ma) ±(Ma)
SFP22-90.7.1 253 306 1.21 1.1E-3 58 2.06 83 1.7 0.031 33 0.051 33 0.012 1.7 0.05 77.3 ±1
SFP22-90.11.1 491 785 1.60 1.8E-4 100 0.33 82 1.2 0.045 7 0.075 7 0.012 1.2 0.17 78.3 1.0
SFP22-90.6.1 316 345 1.09 7.5E-4 58 1.39 81 1.0 0.040 17 0.069 17 0.012 1.0 0.06 79.0 0.8
SFP22-90.12.1 626 1171 1.87 1.2E-4 100 0.23 79 0.9 0.046 5 0.080 5 0.013 0.9 0.17 81.4 0.7
SFP22-90.1.1 454 1113 2.45 -7.8E-4 50 0.00 78 0.9 0.061 10 0.108 10 0.013 0.9 0.10 81.9 0.8
SFP22-90.3.2 rejected 444 1269 2.85 -2.0E-3 32 0.00 77 1.8 0.074 12 0.133 12 0.013 1.8 0.15 82.9 ±2
SFP22-90.3.1 6 3 0.51 1.6E-2 100 30.64 108 45.8 0.126 64 0.160 79 0.009 45.8 0.58 59.1 ±27
SFP22-90.5.1 11 8 0.66 -8.7E-3 100 0.00 65 16.1 0.189 49 0.399 51 0.015 16.1 0.31 98.2 ±16
SFP22-90.2.1 375 134 0.36 ---- --- 0.00 21 0.7 0.052 1 0.334 2 0.047 0.7 0.44 294 ±2
SFP22-90.9.1 319 102 0.32 3.7E-4 26 0.67 14 0.6 0.059 4 0.564 4 0.070 0.6 0.14 435 ±3
SFP22-90.4.1 517 28 0.06 7.4E-5 41 0.13 14 0.6 0.054 1 0.530 1 0.071 0.6 0.45 443 ±3
SFP22-90.8.1 253 19 0.07 1.4E-4 41 0.26 14 0.7 0.054 2 0.546 2 0.073 0.7 0.34 453 ±3
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