![](http://web.natur.cuni.cz/ugp/ctg_new/wp-content/uploads/2021/07/jz-768x1024.jpg)
prof. RNDr. Jiří Žák, Ph.D.
Professor, Group leader, Vice Dean for Geology at CUNI
Physical Geology, Tectonics, Magmatic Processes, Rock Magnetism, Detrital Zircon Geochronology
Žák J, Svojtka M, Gerdjikov I, Vangelov DA, Kounov A, Sláma J, Kachlík V (2023) In search of the Rheic suture: detrital zircon geochronology of Neoproterozoic to Lower Paleozoic metasedimentary units in the Balkan fold-and-thrust belt in Bulgaria Gondwana Research 121: 196–214
Žák J, Svojtka M, Sláma J, Tomek F, Kachlík V, Ackerman L, Vacek F, Trubač J (2023) Exploring the link between spatiotemporal patterns of plutonism and geodynamic regimes at the end of Archean: an example from the northeastern Superior Province, Canada Precambrian Research 392: 107073
Žák J, Svojtka M, Gerdjikov I, Kounov A, Vangelov DA (2022) The Balkan terranes: a missing link between the eastern and western segments of the Avalonian–Cadomian orogenic belt? International Geology Review 64: 2389-2415
Mgr. Filip Tomek, Ph.D.
Assistant Professor, Head of Laboratory of Rock Magnetism
Rock Magnetism, Volcanology, Tectonics
Tomek F, Žák J, Verner K, Ježek J, Paterson SR (2024) A complex interplay between pluton emplacement, tectonic deformation, and plate kinematics in the Cretaceous Sierra Nevada magmatic arc, California. Tectonics 43: e2023TC007822
Tomek F, Olšanská I, Trubač J, Černý J, Rejšek J, Ackerman L (2023) On the anatomy and structural control of a dyke swarm that fed caldera-forming ignimbrite eruptions. Journal of the Geological Society 180: jgs2022-119
Tomek F, Opluštil S, Svojtka M, Špillar V, Rapprich V, Míková J (2022) Altenberg–Teplice Caldera sourced Westphalian fall tuffs in the central and western Bohemian Carboniferous basins (eastern Variscan belt). International Geology Review 64: 441-468
![](http://web.natur.cuni.cz/ugp/ctg_new/wp-content/uploads/2018/11/IMG_6643a-850x1024.jpg)
![](http://web.natur.cuni.cz/ugp/ctg_new/wp-content/uploads/2014/04/Vasek.jpg)
doc. RNDr. Václav Kachlík, CSc
Associate Professor
Stratigraphy, Geochemistry, Geochronology, Tectonics
Svojtka M, Žák J, Kachlík V, Ackerman L, Tomek F, Vacek F, Sláma J (2024) Late Archean sedimentary basins in the northeastern Superior Province, Canada: plume-generated crustal tears or syn-convergent accretionary belts? Precambrian Research 406: 107386
Ackerman K, Žák J, Kachlík V, Pašava J, Žák K, Pack A, Veselovský F, Strnad L (2023) The significance of cherts as markers of Ocean Plate Stratigraphy and paleoenvironmental conditions: New insights from the Neoproterozoic–Cambrian Blovice accretionary wedge, Bohemian Massif. Geoscience Frontiers 14: 101478
Syahputra R, Žák J, Tomek F, Kachlík V (2023) Hot plutonism in a cold accretionary wedge: what terminated the Cadomian orogeny at the northern periphery of Gondwana? Precambrian Research 390: 107041
RNDr. František Vacek, Ph.D.
Senior Researcher
Sedimentary Geology, Carbonate Petrology, Tectonics
Žák J, Svojtka M, Sláma J, Tomek F, Kachlík V, Ackerman L, Vacek F, Trubač J (2023) Exploring the link between spatiotemporal patterns of plutonism and geodynamic regimes at the end of Archean: an example from the northeastern Superior Province, Canada. Precambrian Research 392: 107073
Roberts NMW, Žák J, Vacek F, Sláma J (2021) No more blind dates with calcite: fluid-flow vs fault-slip along the Očkov thrust, Prague Basin. Geoscience Frontiers 12: 101143
Vacek F, Žák J (2019) A lifetime of the Variscan orogenic plateau from uplift to collapse as recorded by the Prague Basin, Bohemian Massif. Geological Magazine 156: 485–509
![](https://ctg.cuni.cz/wp-content/uploads/2014/04/fv-1-e1645709711226.jpg)
![](http://web.natur.cuni.cz/ugp/ctg_new/wp-content/uploads/2019/11/IO.jpg)
Mgr. Irena Olšanská
Ph.D. student
Volcano-Plutonic Systems, Rock Magnetism
Olšanská I, Tomek F, Chadima M, Foucher MS, Petronis MS (2024) Magnetic multi-fabrics as tools for understanding ignimbrite emplacement processes: an example from late-Variscan Tharandter Wald Caldera, Bohemian Massif. Journal of Structural Geology 178: 105012
Tomek F, Olšanská I, Trubač J, Černý J, Rejšek J, Ackerman L (2023) On the anatomy and structural control of a dyke swarm that fed caldera-forming ignimbrite eruptions. Journal of the Geological Society 180: jgs2022-119
Mgr. Petr Vitouš
Ph.D. student
Volcano-plutonic Systems, Rock Magnetism
Vitouš P, Tomek F, Petronis MS (2022) Magnetic fabrics of rhyolite ignimbrites reveal complex emplacement dynamics of pyroclastic density currents, an example from the Altenberg–Teplice Caldera, Bohemian Massif. Bulletin of Volcanology 84: 75
![](http://web.natur.cuni.cz/ugp/ctg_new/wp-content/uploads/2018/11/IMG_1383.jpg)
Alumni
![](http://web.natur.cuni.cz/ugp/ctg_new/wp-content/uploads/2018/11/Reza.jpg)
M.Sc. Reza Syahputra, Ph.D.
Former Ph.D. student
Faculty of Mathematics and Natural Sciences, Department of Geosciences, Universitas Indonesia
Sedimentology, Geophysics, Tectonics
Syahputra R, Žák J, Tomek F, Kachlík V (2023) Hot plutonism in a cold accretionary wedge: what terminated the Cadomian orogeny at the northern periphery of Gondwana? Precambrian Research 390: 107041
Žák J, Sláma J, Syahputra R, Nance RD (2023) Dynamics of Cambro–Ordovician rifting of the northern margin of Gondwana as revealed by the timing of subsidence and magmatism in rift-related basins. International Geology Review 65: 3004–3027
Syahputra R, Žák J, Nance RD (2022) Cambrian sedimentary basins of northern Gondwana as geodynamic markers of incipient opening of the Rheic Ocean. Gondwana Research 105: 492–513
RNDr. Jaroslava Hajná, Ph.D.
Former Team member
Accretionary Complexes, Structural Geology
Žák J, Svojtka M, Hajná J, Ackerman L (2020) Detrital zircon geochronology and processes in accretionary wedges. Earth-Science Reviews 207: 103214
Hajná J, Žák J, Ackerman L, Svojtka M, Pašava J (2019) A giant late Precambrian chert-bearing olistostrome discovered in the Bohemian Massif: a record of Oceanic Plate Stratigraphy (OPS) disrupted by mass-wasting along an outer trench slope. Gondwana Research 74: 173–188
Ackerman L, Hajná J, Žák J, Erban V, Sláma J, Polák L, Kachlík V, Strnad L, Trubač J (2019) Architecture and composition of ocean floor subducted beneath northern Gondwana during Neoproterozoic to Cambrian: a palinspastic reconstruction based on Ocean Plate Stratigraphy (OPS). Gondwana Research 76: 77–97
![](https://ctg.cuni.cz/wp-content/uploads/2014/04/Jajda-e1399293463302-746x1024.jpg)
![](https://ctg.cuni.cz/wp-content/uploads/2023/08/michael-petronis.jpg)
Prof. Michael S. Petronis, Ph.D.
Former Fulbright Visiting Scholar Program
Rock Magnetism, Paleomagnetism, Geophysics
Olšanská I, Tomek F, Chadima M, Foucher MS, Petronis MS (2024) Magnetic multi-fabrics as tools for understanding ignimbrite emplacement processes: an example from late-Variscan Tharandter Wald Caldera, Bohemian Massif. Journal of Structural Geology 178: 105012
Vitouš P, Tomek F, Petronis MS (2022) Magnetic fabrics of rhyolite ignimbrites reveal complex emplacement dynamics of pyroclastic density currents, an example from the Altenberg–Teplice Caldera, Bohemian Massif. Bulletin of Volcanology 84: 75
Žák J, Tomek F, Svojtka M, Vacek F, Kachlík V, Ackerman L, Ježek J, Petronis MS (2021) Distributed crustal shortening followed by transpressional shearing in the Superior Province, northeastern Canada: a Late Archean analogy to modern accretionary plate margins? Precambrian Research 362: 106322
Prof. R. Damian Nance, Ph.D.
Former Visiting Professor in Earth Sciences
College of Arts and Sciences, University of Ohio & Department of Earth & Planetary Sciences, Yale University
Structural Geology, Tectonics, Supercontinent Cycle
Žák J, Sláma J, Syahputra R, Nance RD (2023) Dynamics of Cambro–Ordovician rifting of the northern margin of Gondwana as revealed by the timing of subsidence and magmatism in rift-related basins. International Geology Review 65: 3004–3027
Nance RD (2022) The supercontinent cycle and Earth’s long-term climate. Annals of the New York Academy of Sciences 1515: 33–48
Syahputra R, Žák J, Nance RD (2022) Cambrian sedimentary basins of northern Gondwana as geodynamic markers of incipient opening of the Rheic Ocean. Gondwana Research 105: 492–513
![](https://ctg.cuni.cz/wp-content/uploads/2023/08/R-Nance.jpg)
![](https://ctg.cuni.cz/wp-content/uploads/2023/08/1653648103030.jpeg)
Lucia Pellerey
Former Erasmus+ Traineeship
Department of Earth Sciences, University of Torino
Accretionary Complexes, Structural Geology
Pellerey L, Žák J, Tomek F, Festa A (2024) Magnetic fabric of OPS mélanges: a tool for unravelling protracted histories of oceanic plates from sea-floor spreading to tectonic emplacement into accretionary wedges. Journal of the Geological Society 181: jgs2023-141