Continental Tectonics Group

prof. RNDr. Jiří Žák, Ph.D.

Professor, Group leader

Research interest

Physical Geology, Tectonics, Magmatic Processes, Rock Magnetism, Detrital Zircon Geochronology

Selected Publications

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

Teaching

Physical geology I MG421P00
Introduction to Physical Geology MG421P31
Field course of geology MG420T06
Plutons, volcanoes, and orogeny through time MG420P10
Geologic field trips MG421T04

Mgr. Filip Tomek, Ph.D.

Assistant Professor, Head of Laboratory of Rock Magnetism, Vice director of IGP

Research interest

Rock Magnetism, Volcanology, Tectonics

Selected Publications

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

Teaching

Laboratory course in physical geology I MG421C21A
Laboratory course in physical geology II MG421C21B
Rock magnetism in practice MG420P11
Fundamentals of geology for geographers MG421P09Z
Field course in Physical Geology MG421T02G

doc. RNDr. Václav Kachlík, CSc

Associate Professor

Research interest

Stratigraphy, Geochemistry, Geochronology, Tectonics

Selected Publications

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

Teaching

Field Training Course of Geological mapping MG421T10
Field Course from the Regional Geology MG421T24E
Regional Geology of the Czech Republic I MG421P07
Regional Geology MG421P08
Natural disasters MG421P21
Landscape assesment from the point of view of geosciences MDPS047

RNDr. František Vacek, Ph.D.

Senior Researcher

Research interest

Sedimentary Geology, Carbonate Petrology, Tectonics

Selected Publications

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

Mgr. Irena Olšanská

Ph.D. student

Research interest

Volcano-Plutonic Systems, Rock Magnetism

Selected Publications

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

Research interest

Volcano-plutonic Systems, Rock Magnetism

Selected Publications

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

Mgr. Tatiana Tkáčiková

Ph.D. student

Research interest

Experimental Tectonics, Mélanges, Ophiolites

Jakub Ptáček

Undergraduate student

Research interest

Volcanology

M.Sc. Reza Syahputra, Ph.D.

Former Ph.D. student

Faculty of Mathematics and Natural Sciences, Department of Geosciences, Universitas Indonesia

Research interest

Sedimentology, Geophysics, Tectonics

Selected Publications

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

Na Střelnici, Rakovník

Research interest

Accretionary Complexes, Structural Geology

Selected Publications

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

Prof. Michael S. Petronis, Ph.D.

Former Fulbright Visiting Scholar Program

Paleomagnetic – Rock Magnetic Laboratory, Natural Resources Management, New Mexico Highlands University, Las Vegas, New Mexico, USA

Research interest

Rock Magnetism, Paleomagnetism, Geophysics

Selected Publications

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

Research interest

Structural Geology, Tectonics, Supercontinent Cycle

Selected Publications

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

Lucia Pellerey

Former Erasmus+ Traineeship

Department of Earth Sciences, University of Torino

Research interest

Accretionary Complexes, Structural Geology

Selected Publications

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

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