Education and foreign fellowships

Research fellowship, 6 months, New Mexico Highlands University, USA, 2017

Short-term research fellowship, 3 months, University of Salzburg, Austria, 2016

Ph.D. in geology, Charles University, 2011 - 2015

M.Sc. in geology, Charles University, 2009 - 2011

Erasmus fellowship, 6 months, LMV Université Blaise Pascal, Clermont-Ferrand, France, 2010

B.Sc. in Geology, Charles University, 2006 - 2009

Research interests

• Volcano-plutonic link
• Collapse calderas
• Emplacement volcanic and plutonic bodies
• Tectonics and geodynamics
• Rock magnetism, anisotropy of magnetic susceptibility (AMS), paleomagnetism

Ongoing research

• Magma flow and emplacement of subvolcanic ring-dikes and rhyolitic ignimbrites on the example of post-orogenic collapse calderas in the Bohemian Massif
• Brittle tectonics and structural relations to ore mineralization in the Cínovec granite, Bohemian Massif
• Emplacement and tectonic setting of granitoids in the Moldanubian batholith, Bohemian Massif
• Fabric analysis and geotectonic setting of the Tuolumne batholith, California
• Late Archean granites of the Bienville area, Superior Province, Québec, Canada

Publications

(15) Megerssa L, Verner K, Buriánek D, Pour O, Tomek F, Schiller D, Martínek K (2022): The late-Variscan high-temperature collisional episode in the southwestern Moldanubian Zone (Bohemian Massif). International Journal of Earth Sciences (in press)

(14) 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

(13) 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

(12) Ackerman K, Žák J, Kachlík V, Svojtka M, Tomek F, Santolík V, Sláma J, Trubač J, Strnad L, Vacek F (2022) The diversity of sources of late Archean granites reflects a transition from plume-dominated to plate tectonics in the Superior Province, Canada. Precambrian Research, 370:106525

(11) 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

(10) Tomek F, Gilmer AK, Petronis MS, Lipman PW, Foucher MS (2019) Protracted Multipulse Emplacement of a Postresurgent Pluton: The Case of Platoro Caldera Complex (Southern Rocky Mountain Volcanic Field, Colorado). Geochemistry, Geophysics, Geosystems, 20:5225-5250

(9) Tomek F, Vacek F, Žák J, Petronis MS, Verner K, Foucher MS (2019) Polykinematic foreland basins initiated during orthogonal convergence and terminated by orogen-oblique strike-slip faulting: An example from the northeastern Variscan belt. Tectonophysics, 766:379–397

(8) Tomek F, Žák J, Svojtka M, Figer F, Waitzinger M (2019) Emplacement dynamics of syn-collapse ring dikes: an example from the Altenberg-Teplice caldera, Bohemian Massif. Geological Society of America Bulletin, 131:997–1016

(7) Tomek F, Žák J, Verner K, Holub FV, Sláma J, Paterson SR, Memeti V (2017) Mineral fabrics in high-level intrusions recording crustal strain and volcano-tectonic interactions: the Shellenbarger pluton, Sierra Nevada, California. Journal of the Geological Society, London, 174:193–208

(6) Žák J, Verner K, Tomek F, Johnson K, Schwartz JJ (2017) Magnetic fabrics of arc plutons reveal a significant Late Jurassic to Early Cretaceous change in the relative plate motions of the Pacific Ocean basin and North America. Geosphere, 13:11–21

(5) Tomek F, Žák J, Holub FV, Chlupáčová M, Verner K (2016) Growth of intra-caldera lava domes controlled by various modes of caldera collapse, the Štiavnica volcano–plutonic complex, Western Carpathians. Journal of Volcanology and Geothermal Research, 311:183–197

(4) Tomek F, Žák J, Chadima M (2015) Granitic magma emplacement and deformation during early-orogenic syn-convergent transtension: the Staré Sedlo complex, Bohemian Massif. Journal of Geodynamics, 87:50–66

(3) Žák J, Verner K, Tomek F, Holub FV, Johnson K, Schwartz JJ (2015) Simultaneous batholith emplacement, terrane/continent collision, and oroclinal bending in the Blue Mountains Province, North American Cordillera. Tectonics 34:1107–1128

(2) Tomek F, Žák J, Chadima M (2014) Magma flow paths and strain patterns in magma chambers growing by floor subsidence: a model based on magnetic fabric study of shallow-level plutons in the Štiavnica volcano–plutonic complex, Western Carpathians. Bulletin of Volcanology, 76, Article No. 873.

(1) Žák J, Verner K, Janoušek V, Holub FV, Kachlík V, Finger F, Hajná J, Tomek F, Vondrovic L, Trubač J (2014) A plate-kinematic model for the assembly of the Bohemian Massif constrained by structural relations around granitoid plutons. Geological Society, London, Special Publications 405:169–196

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Awards and grant projects

2019 Otto Wichterle Award for talented early career scientists, Czech Academy of Sciences

2018 Czech Science Foundation, Junior grant • 19-02177Y

2016 Czech Academy of Sciences grant for development of international cooperation for early career scientists • MSM100131601

2016 Short-term research scholarship AKTION, Salzburg University • Austria ICM-2016-03570

2016 Post-doctoral fellowship, program supporting perspective human sources, Czech Academy of Sciences • L100131601

2015 Deans Award for the best Ph.D. thesis, Faculty of Science, Charles University in Prague

2015 Radek Melka Price: best student paper of the Central European Tectonics Groups CETeG

Conference abstracts (presenting author)

Tomek F, Krýza O, Trubač J, Burchardt S, Olšanská O, Koyi H (2022) Centrifuge analogue modelling of transcrustal granite diapirs in theMoldanubian unit of the Variscan Bohemian Massif. Geological society of Sweden 150 year anniversary meeting. Uppsala, Sweden

Olšanská I, Tomek F, Chadima M (2022) Application of multiple rock-magnetic methods (ipAMS, opAMS, AARM) to examine ignimbrite petrofabrics of the late-Variscan Tharandt Wald Caldera (Bohemian Massif). 17th Castle Meeting, New Trends on Paleo, Rock and Enviromentral Magnetism. Trakošćan, Croatia

Tomek F, Vitouš P, Černý J, Žák J, Svojtka M, Opluštil S, Rapprich V, Finger F, Olšanská I (2021) Review of the recent geologic investigations of the late-Variscan Altenberg–Teplice Caldera, NW Bohemian Massif. 4th Friends of the Bohemian Massif Conference. Freistadt, Austria

Olšanská I, Tomek F, Chadima M (2021) Petrofabrics of ignimbrites using the anisotropy of magnetic susceptibility: implications to the evolution of the late-Variscan Tharandt Forest Caldera (NW Bohemian Massif). 18th Meeting of the Central European Tectonic Groups (CETeG 2021). Terchová, Slovakia

Ackerman L, Žák J, Svojtka M, Tomek F, Sláma J (2020) Composition of the Neoarcheangranitic rocks from the Bienville andLa Grande domains, SuperiorProvince, Canada. Goldschmidt Virtual Conference 2020

Tomek F, Trubač J, Žák J, Sennewald R, Šešulka V, Krátký O, Štemprok M (2019) Postmagmatic evolution of the Cínovec/Zinnwald granite cupola (Bohemian Massif): is there a genetic relationship of pluton architecture to brittle structures and greisen vein system? CETeG meeting in Brno, Czech Republic. (Poster)

Tomek F, Petronis MS, Gilmer AK, Lipman PW, Foucher MS (2018) Emplacement style of a post-caldera intrusion: insights from structure and magnetic anisotropy of the Alamosa River pluton (Southern Rocky Mountain volcanic field, Colorado). Joint 70th Rocky Mountain Annual Section / 114th Cordilleran Annual Section Meeting, Flagstaff, Arizona. (Lecture)

Tomek F, Svojtka M, Opluštil S, Rapprich V, Míková J, Casas-García R (2018) Age constraints on evolution of the Altenberg-Teplice caldera and distribution of volcanic products in the Permo-Carboniferous basins, Bohemian Massif. 3rd Workshop on Orogenic Processes in the Bohemian Massif, Presseck, Germany. (Lecture)

Tomek F, Petronis MS, Žák J, Vacek F, Verner K (2018) Structure, magnetic anisotropy and paleomagnetism of the Lower Carboniferous Moravosilesian Culm basin of the Bohemian Massif: oroclinal rotation, strike slip translation, or just pure shear shortening? 3rd Workshop on Orogenic Processes in the Bohemian Massif, Presseck, Germany. (Lecture)

Tomek F, Žák J, Svojtka M, Finger F, Waitzinger M, Rapprich V (2017) Emplacement dynamics of syn-collapse ring dikes: an example from the Altenberg-Teplice caldera, Bohemian Massif. IAVCEI Scientific Assembly, Portland, Oregon. (Poster)

Tomek F, Žák J, Svojtka M (2016) Geochronology and magnetic fabrics of the Altenberg-Teplice granite porphyry: implications for emplacement style of a caldera ring dike. Workshop on Late Paleozoic magmatism in the Erzgebirge/Krušné hory: Magma genesis, tectonics, geophysics, and mineral deposits, Freiberg, Germany, November 11–12, 2016, Freiberg Online Geoscience, 46: 39–40, Freiberg. (Lecture)

Tomek F, Žák J, Sláma J, Chadima M (2016) Late Devonian transtension in the center of the Variscan Bohemian Massif: the Staré Sedlo complex. 2nd Workshop on Orogenic Processes in the Bohemian Massif, Anín, Czech Republic. (Lecture)

Tomek F, Trubač J, Žák J, Lexa O, Ulrych J (2016) Do vesicles and magnetic fabrics indicate flow in crystal-rich magmas? An example from subvolcanic trachyandesite dike. CETeG meeting in Predná Hora, Slovakia. (Poster)

Tomek F, Žák J, Verner K, Holub FV, Sláma J, Memeti V, Paterson SR (2015) Simultaneous collapse, resurgence, and deformation of the Minarets caldera with implications for Late Cretaceous strain variations in the Sierra Nevada, California. Goldschmidt 2015. (Poster)

Tomek F, Žák J, Chadima M, Holub FV, Verner K. (2015) Magnetic fabrics as markers of emplacement strain in magma chambers and associated lava domes, Štiavnica volcano-plutonic complex, Western Carpathians. CETeG meeting in Kadaň, Czech Republic. (Poster)

Tomek F, Žák J, Verner K (2014) Magnetic fabric of andesite lava domes extruded along a caldera ring fault, the Štiavnica volcano-plutonic complex, Western Carpathians. GeoFrankfurt, Schriftenreihe der Deutschen Gesellschaft für Geowissenschaften 85: 509. (Lecture)

Tomek F, Žák J (2014) On the emplacement of granitic sheets in transtension and scaling of magmatic and tectonic strain rates. Volcanic and Magmatic Studies Group, Edinburgh. (Lecture)

Tomek F, Žák J (2013) Magnetic fabrics in sub-caldera plutons recording magma ascent and fault-caldera interactions, the Štiavnica volcano-plutonic complex, Western Carpathians. Geophysical Research Abstracts, Vol. 15, EGU2013 General Assembly. (Lecture)

Tomek F, Žák J (2011) The Late Devonian to early Carboniferous kinematic evolution of the Teplá-Barrandian/Moldanubian boundary. Joint meeting of Czech and Slovak geological Societies, Monínec, Czech Republic. (Poster)

Tomek F, Žák J (2011) The Late Devonian to early Carboniferous kinematic evolution of the Teplá-Barrandian/Moldanubian boundary. Student geological conference, Brno, Czech Republic. (Lecture)

Geologic expeditions

2019 Bienville province, James Bay, (Canada)

2017 San Juan volcanic locus, Platoro caldera (Colorado); Galisteo basin volcanoes (New Mexico)

2014 Sierra Nevada batholith (California)

2013 Blue Mountains province and Idaho batholith (Oregon and Idaho)

2012 Sierra Nevada batholith (California, USA)