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John Milan Hora

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John Milan Hora, Ph.D.

John Milan Hora, Ph.D.

Czech Geological Survey
Geologická 577/6
152 00 Praha 5
Czech Republic

+420 251 085 336 john.hora@geology.cz

Publication outputs

Journal Article (WOS)

Janoušek, V., Magna, T., Tabaud, A., Vennemann, T., Hora, J., Holub, F. (2025): Infracrustal reworking and cryptic crustal growth during the Variscan Orogeny: Stable isotopic evidence from (ultra-) potassic magmatic rocks of the Moldanubian Zone, Bohemian Massif. Lithos. AMSTERDAM: Elsevier. ISSN 0024-4937. http://doi.org/10.1016/j.lithos.2025.108115

De Hoym de Marien, L., Janoušek, V., Schulmann, K., Hanžl, P., Míková, J., Hora, J., Racek, M., Lexa, O., Sukhbaatar, T., Buriánek, D., Aguilar, C. (2025): Middle Devonian–Carboniferous crustal differentiation promoted by hydrous plume-related magmatism along the Paleo-Pacific active margin: A case study of the Gashun Nuur Complex in the Mongolian Altai. Gondwana Research. ISSN 1342-937X. http://doi.org/10.1016/j.gr.2025.05.025

Soejono, I., Collet, S., Kohút, M., Janoušek, V., Schulmann, K., Bukovská, Z., Novotná, N., Zelinková, T., Míková, J., Hora, J., Veselovský, F. (2024): Paleogeography of the Gondwana passive margin fragments involved in the Variscan and Alpine collisions: Perspectives from metavolcanic-sedimentary basement of the Western Carpathians. Earth-Science Reviews. ISSN 0012-8252. http://doi.org/10.1016/j.earscirev.2024.104763

Rapprich, V., Walter, B., Strnadová, V., Kluge, T., Čejková, B., Pour, O., Hora, J., Kynický, J., Magna, T. (2024): Gravitational collapse of a volcano edifice as a trigger for explosive carbonatite eruption? Geological Society of America Bulletin. BOULDER: GEOLOGICAL SOC AMER, INC. ISSN 0016-7606. http://doi.org/10.1130/B37013.1

Rapprich, V., Vylita, T., Molnár, K., Hora, J., Benkó, Z., Čurda, M., Magna, T., Koubová, M., Pour, O., Hrubcová, P., Fischer, T. (2024): Origin of apatite-dominated rock penetrating the volcaniclastic fill of the Pleistocene Bazina maar (western Czech Republic). Journal of Geosciences. PRAHA 1: CESKA GEOLOGICKA SPOLECNOST. ISSN 1802-6222. http://doi.org/10.3190/jgeosci.392

Sukhbaatar, T., Schulmann, K., Janoušek, V., Soejono, I., Lexa, O., Míková, J., Hora, J., Song, D., Xiao, W., Poujol, M., Onongoo, T., Dashdorjgochoo, O., Zeng, H. (2024): Magmatic and sedimentological arguments for an Ediacaran active margin in the Bayankhongor Zone in western Mongolia, Central Asian Orogenic Belt. Gondwana research. AMSTERDAM: ELSEVIER. ISSN 1342-937X. http://doi.org/10.1016/j.gr.2024.07.017

Erban Kočergina, J., Pavlousek, P., Sanda, M., Hora, J. (2024): ⁸⁷ Sr/⁸⁶Sr isotopic composition of wine: uses and limitations. Oeno One. INTERNATIONAL VITICULTURE AND ENLOGY SOCIETY (IVES). ISSN 2494-1271. http://doi.org/10.20870/oeno-one.2024.58.2.7451

Hanžl, P., Janoušek, V., Hrdličková, K., Buriánek, D., Gerel, O., Altanbaatar, B., Hora, J., Čoupek, P. (2023): From magmatic arc to a post-accretionary setting: Late Palaeozoic granitoid plutons in the northwestern Trans-Altai Zone, Mongolia. Journal of Geosciences. ISSN 1802-6222. http://doi.org/10.3190/jgeosci.366

Soejono, I., Janoušek, V., Peřestý, V., Schulmann, K., Svojtka, M., Hanžl, P., Hora, J., Míková, J., Štípská, P., Guy, A., Collet, S., Dorjsuren, O. (2023): From Rodinian passive margin to peri-Siberian continental arc: Evidence from the multiphase Neoproterozoic–early Paleozoic magmatic record of the Zavkhan Block in the Mongolian Collage. Gondwana research. ISSN 1342-937X. http://doi.org/10.1016/j.gr.2023.05.001

Mysliveček, J., Koutecký, V., Rapprich, V., Sakala, J., Hora, J., Laufek, F., Pour, O., Benkó, Z., Magna, T. (2023): Zeolitized fossil woods from alkaline volcaniclastic rocks: Unravelling an uncommon mineralization process. Geochemistry. ISSN 0009-2819. http://doi.org/10.1016/j.chemer.2023.126023

Kazlagic, A., Rosner, M., Cipriani, A., Frick, D., Glodny, J., Hoffmann, E., Hora, J., Irrgeher, J., Lugli, F., Magna, T., Meisel, T., Meixner, A., Possolo, A., Pramann, A., Přibil, M., Prohaska, T., Retzmann, A., Rienitz, O., Rutherford, D., Paula-Santos, G., Tatzel, M., Widhalm, S., Willbold, M., Zuliani, T., Vogl, J. (2023): Characterisation of Conventional ⁸⁷Sr/⁸⁶Sr Isotope Ratios in Cement, Limestone and Slate Reference Materials Based on an Interlaboratory Comparison Study. Geostandards and Geoanalytical Research. HOBOKEN: WILEY. ISSN 1639-4488. http://doi.org/10.1111/ggr.12517

Ackerman, L., Žák, J., Žák, K., Pašava, J., Kachlík, V., Hora, J., Veselovský, F., Hajná, J. (2022): Carbon, oxygen, and strontium isotopic fingerprint in Neoproterozoic to early Cambrian limestones in an active margin setting: a record of local environment or global changes? Precambrian Research. ISSN 0301-9268. http://doi.org/10.1016/j.precamres.2021.106538

Erban Kočergina, J., Erban, V., Hora, J. (2022): Sample preparation and chromatographic separation for Sr, Nd, and Pb isotope analysis in geological, environmental, and archaeological samples. Journal of Geosciences. ISSN 1802-6222. http://doi.org/10.3190/jgeosci.357

Hora, J., Tabaud, A., Janoušek, V., Erban Kočergina, J. (2021): Potassic magmas of the Vosges Mts. (NE France) delimit the areal extent and nature of long-gone Variscan orogenic mantle domains. Lithos. ISSN 0024-4937. http://doi.org/10.1016/j.lithos.2021.106304

Janoušek, V., Hanžl, P., Svojtka, M., Hora, J., Kočergina, J., Gadas, P., Holub, F., Gerdes, A., Verner, K., Hrdličková, K., Daly, J., Buriánek, D. (2020): Ultrapotassic magmatism in the heyday of the Variscan Orogeny: the story of the Třebíč Pluton, the largest durbachitic body in the Bohemian Massif. International Journal of Earth Sciences. ISSN 1437-3254. http://doi.org/10.1007/s00531-020-01872-2

Majzlan, J., Chovan, M., Kiefer, S., Gerdes, A., Siman, P., Konečný, P., Števko, M., Finger, F., Waitzinger, M., Biron, A., Luptáková, J., Ackerman, L., Hora, J. (2020): Hydrothermal mineralisation of the Tatric Superunit (Western Carpathians, Slovakia):II. Geochronology and timing of mineralisations in the Nízke Tatry Mts. Geologica Carpathica. ISSN 1335-0552. http://doi.org/10.31577/GeolCarp.71.2.2

Janoušek, V., Holub, F., Verner, K., Čopjaková, R., Gerdes, A., Hora, J., Kosler, J. (2019): Two-pyroxene syenitoids from the Moldanubian Zone of the Bohemian Massif: peculiar magmas derived from a strongly enriched lithospheric mantle source. Lithos. ISSN 0024-4937. http://doi.org/10.1016/j.lithos.2019.05.028

Book chapter

Janoušek, V., Holub, F., Hanžl, P., Melichar, R., Svojtka, M., Hora, J., Hrdličková, K., Mareček, L., Hlávka, D. (2019): Ultrapotassic plutonic rocks of the Třebíč Massif, southern suburbs of Třebíč. In: Hanžl P., Melichar R., Janoušek V: 17th Meeting of the Central European Tectonic Groups, CETEG 2019, 24-27 April, 2019, Excursion Guide. Praha: Česká geologická služba. ISBN 978-80-7075-956-1. Neuveden. Retrieved from https://petrol.natur.cuni.cz/ceteg/sites/default/files/images/pdf/guide_ceteg_2019.pdf

Non-reviewed conference abstract/paper

Janoušek, V., Žáčková, E., Hanžl, P., Soejono, I., Míková, J., Hora, J., Guy, A. (2025): Exploring the variability and sources of the Variscan pre-collisional magmatism: the Peri-Moldanubian Arc (Bohemian Massif). In: : Goldschmidt 2025 Abstracts. Prague: Geochemical Society. ISSN 0000-0000. ISBN 0-000-00000-0.

Janoušek, V., Soejono, I., Sláma, J., Žáčková, E., Machek, M., Míková, J., Hora, J., Dudíková, B. (2025): Age, variability and origin of the gabbros–granodiorites in the Nasavrky Plutonic Complex (Železné Hory Mts, Bohemian Massif). In: : 21st Meeting of the Central European Tectonic Studies Groups, CETEG25. Nové Hamry, 23–26 April, 2025, Czech Republic. Book of Abstracts. Prague: Charles University. ISSN 0000-0000. ISBN 0-000-00000-0.

Janoušek, V., Soejono, I., Sláma, J., Žáčková, E., Machek, M., Míková, J., Hora, J., Dudíková, B. (2025): Nasavrky Plutonic Complex: its age, whole-rock geochemistry, likely genesis and geotectonic significance. In: Verner Kryštof: An informal meeting on the Bohemian Massif and beyond “Friends of Bohemian Massif”, Rejv9z, Czech Republic. Prague: Czech Geological Survey & Faculty of Science, Charles University. ISSN 0000-0000. ISBN 0-000-00000-0.

Janoušek, V., Hanžl, P., Soejono, I., Schulmann, K., Buriánek, D., Jiang, Y., De Hoym de Marien, L., Hrdličková, K., Hora, J., Lexa, O. (2024): Quarter-billion years of granitic magmatism in south-western Mongolia. In: Schulmann Karel, Ochir Gerel, Jiang Yingde, Lexa Ondrej: Central Asian Orogenic Belt 2024. Ukaanbaatar: Mongolian University of Science and Technology. Retrieved from https://www.mpti-web.com/caob24-abstracts

Janoušek, V., Hora, J., Erban Kočergina, J., Magna, T., Tabaud, A., Andronikov, A., Couzinié, S., Holub, F. (2021): Cryptic crustal growth in European Variscan Orogen: evidence from ultrapotassic plutonic rocks of the Bohemian Massif. In: Gregáňová,M.; Molčan Matejová,M.; Šimonová,V: 18th Meeting of the Central European Tectonic Groups, 25th Meeting of the Czech Tectonic Studies Group, Terchová - Vrátna, 22-25 September, 2021. Bratislava: Comenius University. ISBN 978-80-223-5234-5.

Janoušek, V., Hora, J., Erban Kočergina, J., Magna, T., Tabaud, A., Andronikov, A., Couzinié, S. (2021): Cryptic crustal growth and infracrustal recycling of Early Paleozoic terrigenous material: evidence from Visean ultrapotassic plutons of the Bohemian Massif. In: Neuveden: 4th Friends of the Bohemian Massif Meeting in Freistadt, Austria, 7.10.-10.10.2021. Salzburg: Paris Londres Universität.

Magna, T., Janoušek, V., Kočergina, J., Andronikov, A., Tabaud, A., Vennemann, T., Hora, J. (2020): Petrogenesis of Variscan ultrapotassic plutons, Bohemian Massif: stable isotope evidence. In: neuveden: Goldschmidt 2020 Abstracts. Hawaii (virtual): Geochemical Society. ISBN neuveden.

Janoušek, V., Hora, J., Kočergina, J., Couzinié, S., Magna, T., Andronikov, A. (2020): Deep crustal contamination of the lithospheric mantle source to Variscan ultrapotassic magmas - geochemical and geodynamic consequences. In: neuveden: Goldschmidt 2020 Abstracts. Hawaii (virtual): Geochemical Society. ISBN neuveden.

Hora, J., Tabaud, A., Janoušek, V., Kočergina, J. (2019): Chemical and isotopic tracers of mantle and crustal inputs in potassic magmas of the Vosges Mts., NE France. In: Neuveden: The 9th Hutton Symposium on the Origin of Granites and Related Rocks. October 13-18, 2019, Nanjing, China. Nanjing: Neuveden. ISBN Neuveden.

Janoušek, V., Moyen, J., Erban, V., Hora, J. (2019): GCDkit goes platform independent! In: neuveden: Goldschmidt 2019 Abstracts. Barcelona: neuveden. ISBN neuveden.

Janoušek, V., Holub, F., Čopjaková, R., Verner, K., Kosler, J., Hora, J. (2018): Source and evolution of the two-pyroxene quartz syenitic magmas parental to the Tábor and Jihlava plutons (Moldanubian Zone of the Bohemian Massif). In: Swierczewska Anna: Geology, Geophysics and Environment. Kraków: AGH University of Science and Technology Press. ISBN 2299-8004.