{"id":2225,"date":"2021-05-17T10:51:57","date_gmt":"2021-05-17T08:51:57","guid":{"rendered":"http:\/\/kmplg.sk\/?page_id=2225"},"modified":"2026-04-09T10:39:08","modified_gmt":"2026-04-09T08:39:08","slug":"assoc-prof-martin-ondrejka-phd","status":"publish","type":"page","link":"https:\/\/kmplg.sk\/?page_id=2225&lang=en","title":{"rendered":"Assoc. Prof. Martin Ondrejka, PhD"},"content":{"rendered":"\n
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Position<\/strong>:<\/td>Associate professor<\/td><\/tr>
Room<\/strong>:<\/td>G-317<\/td><\/tr>
Phone<\/strong>:<\/td>+421 2 9014 9296<\/strong><\/td><\/tr>
e-mail:<\/strong><\/td>martin.ondrejka@uniba.sk<\/td><\/tr>
Publications<\/strong><\/td>list of publications<\/a><\/td><\/tr><\/tbody><\/table>
Section of Petrology<\/span><\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n

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\"\" ResearchGate<\/span><\/a><\/div>\n\n\n\n
\"\"ORCID<\/span><\/span><\/a><\/div>\n\n\n\n
\"\" <\/span>Scopus<\/span><\/a><\/div>\n\n\n\n
\"\"Topics of Thesis<\/span><\/a><\/div>\n\n\n\n
\"\"Atlas of magmatic rocks<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

Scientific interests<\/h2>\n\n\n\n
  • Rock-fluid interaction processes, stability and alteration of accessory minerals (e.g. monazite, xenotime, apatite, allanite, titanite), post-magmatic to low-T (supergene) remobilization and fractionation of rare lithophile elements (REE, Zr, Hf, Nb, Ta, U, Th, Rb, Be, F, B).<\/li>
  • Petrology, mineralogy, geochemistry, and geochronology of granitoids and felsic volcanics (esp. A-types=ferroan).<\/li>
  • Reviewer (SCI journals): <\/strong>Mineralogical Magazine, The Canadian Journal of Mineralogy and Petrology, Chemical Geology, Mineralogy and Petrology, Geologica Carpathica<\/li>
  • Reviewer (SCOPUS journals):<\/strong> Zeitschrift f\u00fcr Geologische Wissenschaften, Bulletin Mineralogie a Petrologie, Acta Geologica Slovaca, Acta Musei Moraviae – Scientiae Geologicae, Mineralia Slovaca<\/li>
  • Handling editor: <\/strong>Acta Geologica Slovaca<\/li>
  • Guest editor:<\/strong> Geologica Carpathica<\/li><\/ul>\n\n\n\n

    Pedagogical activities<\/strong><\/h2>\n\n\n\n

    My teaching activities are mainly focused on petrography and petrology of magmatic rocks and genetic mineralogy.<\/p>\n\n\n\n

    Bachelor degree:<\/strong><\/strong><\/p>\n\n\n\n

    • Petrography of Magmatic Rocks<\/li>
    • Rocks under the microscope<\/li>
    • Laboratory Methods in Geology<\/li>
    • Microscopy of Rock-forming Minerals,<\/li>
    • Field course of mineralogy and petrology<\/li><\/ul>\n\n\n\n

      Master\u2019s degree<\/strong><\/strong><\/p>\n\n\n\n

      • Petrology of Magmatic Rocks<\/li>
      • Petrology 1<\/li>
      • Thermodynamics and Phase Equilibria<\/li>
      • Alteration Processes in Rocks<\/li>
      • Genetic Mineralogy of Rocks<\/li>
      • Genetic Mineralogy of Natural Resources<\/li>
      • Microscopic Petrology<\/li><\/ul>\n\n\n\n

        Doctoral degree<\/strong><\/strong><\/p>\n\n\n\n

        • Magmatic Petrology<\/li>
        • Genetic Mineralogy<\/li>
        • Geochemistry of Rocks<\/li>
        • Isotope Geology and Geochronology<\/li><\/ul>\n\n\n\n
          \n\n\n\n

          The most significant publications<\/h2>\n\n\n\n
          \n
          • Uher P., Ondrejka M., Spi\u0161iak J., Broska I., Puti\u0161 M. 2002: <\/strong>Lower Triassic potassium-rich rhyolites of the Silicic unit, Western Carpathians, Slovakia: Geochemistry, mineralogy and genetic aspects. Geologica Carpathica <\/em>53, 1, 27\u201336.<\/li>
          • Ondrejka M., Uher P., Pr\u0161ek J., Ozd\u00edn D. 2007:<\/strong> Arsenian monazite-(Ce) and xenotime-(Y), REE arsenates and carbonates from the Tisovec-Rejkovo rhyolite, Western Carpathians, Slovakia: Composition and substitutionsin the (REE,Y)XO4<\/sub> system (X = P, As, Si, Nb, S). Lithos <\/em>95, 1\u20132, 116\u2013129.<\/li>
          • Puti\u0161 M., Sergeev S., Ondrejka M., Larionov A., Siman P., Spi\u0161iak J., Uher P., Paderin I. 2008:<\/strong> Cambrian-Ordovician metaigneous rocks associated with Cadomian fragments in the West-Carpathian basement dated by SHRIMP on zircons: a record from the Gondwana active margin setting. Geologica Carpathica<\/em> 59, 1, 3\u201318.<\/li>
          • Uher P., Ondrejka M., Kone\u010dn\u00fd P. 2009:<\/strong> Magmatic and post-magmatic Y-REE-Th phosphate, silicate and Nb-Ta-Y-REE oxide minerals in A-type metagranite: an example from the Tur\u010dok massif, the Western Carpathians, Slovakia. Mineralogical Magazine<\/em> 73, 6, 1009\u20131025.<\/li>
          • Puti\u0161 M., Ivan P., Koh\u00fat M., Spi\u0161iak J., Siman P., Radvanec M., Uher P., Sergeev S., Larionov A., M\u00e9res \u0160., Demko R., Ondrejka M. 2009: <\/strong>Meta-igneous rocks of the West-Carpathian basement, Slovakia: indicators of Early Paleozoic extension and shortening events. Bulletin de la Soci\u00e9t\u00e9 g\u00e9ologique de France<\/em> 180, 6, 461\u2013471.<\/li>
          • Koh\u00fat M., Uher P., Puti\u0161 M., Ondrejka M., Sergeev S., Larionov A., Paderin I. 2009: <\/strong>SHRIMP U-Th-Pb zircon dating of the granitoid massifs in the Mal\u00e9 Karpaty Mountains (Western Carpathians): evidence of Meso-Hercynian successive S- to I-type granitic magmatism. Geologica Carpathica<\/em> 60, 5, 345\u2013350<\/li>
          • Pr\u0161ek J., Ondrejka M., Ba\u010d\u00edk P., Budzy\u0144 B., Uher P. 2010:<\/strong> Metamorphic-hydrothermal REE minerals in the Bac\u00fach magnetite deposit, Western Carpathians, Slovakia: (Sr,S)-rich monazite-(Ce) and Nd-dominant hingganite. Canadian Mineralogist<\/em> 48, 1, 81\u201394.<\/li>
          • F\u00f6rster H.-J., Ondrejka M., Uher P. 2011: <\/strong>Mineralogical responses to subsolidus alteration of granitic rocks by oxidizing As-bearing fluids: REE arsenates and As-rich silicates from the Zinnwald granite, Eastern Erzgebirge, Germany. Canadian Mineralogist<\/em> 49, 4, 913\u2013930.<\/li>
          • Ondrejka M., Uher P., Puti\u0161 P., Broska I., Ba\u010d\u00edk P., Kone\u010dn\u00fd P., Schmiedt I. 2012:<\/strong> Two-stage breakdown of monazite by post-magmatic and metamorphic fluids: An example from the Veporic orthogneiss, Western Carpathians, Slovakia. Lithos <\/em>142\u2013143, 245\u2013255.<\/li>
          • Uher P., Pla\u0161ienka D., Ondrejka M., Hra\u0161ko \u013d., Kone\u010dn\u00fd P. 2013:<\/strong> Uranium-rich monazite-(Ce) from the Kriv\u00e1 type granitic cob bles in conglomerates of the Pieniny Klippen Belt, Western Carpathians, Slovakia: composition,<\/li>
          • age determination and possible source areas. Geological Quarterly<\/em> 57, 2, 343\u2013352<\/li>
          • Ba\u010d\u00edk P., Fridrichov\u00e1 J., Uher P., Pr\u0161ek J., Ondrejka M. 2014<\/strong>: The crystal chemistry of gadolinite-datolite group silicates. Canadian Mineralogist<\/em> 52, 625\u2013642.<\/li>
          • \u0160tevko M., Uher P., Ondrejka M., Ozd\u00edn D., Ba\u010d\u00edk P. 2014:<\/strong> Quartz\u2013apatite\u2013REE phosphates\u2013uraninite vein mineralization near \u010cu\u010dma (eastern Slovakia): a product of early Alpine hydrothermal activity in the Gemeric Superunit, Western Carpathians. Journal of Geosciences<\/em> 59, 209\u2013222.<\/li>
          • Uher P.,\u00a0 Ondrejka M., Ba\u010d\u00edk P., Broska I., Kone\u010dn\u00fd P. 2015: <\/strong>Britholite, monazite, REE carbonates, and calcite: Products of hydrothermal alteration of allanite andapatite in A-type granite from Stupne, Western Carpathians, Slovakia. Lithos <\/em>236, 212\u2013225.<\/li>
          • Ondrejka M., Puti\u0161 M., Uher P., Schmiedt I., Pukan\u010d\u00edk L., Kone\u010dn\u00fd P. 2016<\/strong>: Fluid-driven destabilization of REE-bearing accessoryminerals in the granitic orthogneisses of North Veporic basement (Western Carpathians, Slovakia). Mineralogy and Petrology<\/em>, 110, 561\u2013580.<\/li>
          • Ondrejka M., Ba\u010d\u00edk P., Sobock\u00fd T., Uher P., \u0160koda R., Miku\u0161 T., Lupt\u00e1kov\u00e1 J., Kone\u010dn\u00fd P. 2018:<\/strong> Minerals of the rhabdophane group and the alunite supergroup in microgranite: products of low-temperature alteration in a highly acidic environment from the Velence Hills, Hungary. Mineralogical Magazine<\/em>, 82, 1277\u20131300.<\/li>
          • Ondrejka M., Li, X.-H., Vojtko R., Puti\u0161 M., Uher P., Sobock\u00fd T. 2018:<\/strong> Permian A-type rhyolites of the Mur\u00e1\u0148 Nappe, Inner Western Carpathians, Slovakia: in-situ zircon U-Pb SIMS ages and tectonic setting. Geologica Carpathica<\/em>, 69, 187\u2013198.<\/li>
          • Uher P., Broska I., Krzemi\u0144ska E., Ondrejka M., Miku\u0161 T., Vaculovi\u010d T. 2019:<\/strong> Titanite composition and SHRIMP U\u2013Pb dating as indicators of post-magmatic tectono-thermal activity: Variscan I-type tonalites to granodiorites, the Western Carpathians. Geological Carpathica<\/em> 70, 6, 449\u2013470.<\/li>
          • Puti\u0161 M., Sot\u00e1k J., Li Q.-L., Ondrejka M., Li X.-H., Hu Z., Ling X., Nemec O., N\u00e9meth Z., Ru\u017ei\u010dka P. 2019: <\/strong>Origin and Age Determination of the Neotethys Meliata Basin Ophiolite Fragments in the Late Jurassic\u2013Early Cretaceous Accretionary Wedge M\u00e9lange (Inner Western Carpathians, Slovakia). Minerals <\/em>9, 652.<\/li>
          • Ondrejka M., Ba\u010d\u00edk P., Puti\u0161 M., Uher P., Miku\u0161 T., Lupt\u00e1kov\u00e1 J., Ferenc \u0160., Smirnov A. 2020:<\/strong> Carbonate-bearing phosphohedyphane\u2013hydroxylphosphohedyphane and cerussite: Supergene products of galena alteration in Permian aplite (Western Carpathians, Slovakia). Canadian Mineralogist<\/em>, 58, 347\u2013365.<\/li>
          • Ondrejka M., Uher P., Puti\u0161 M., Koh\u00fat M., Broska I., Larionov A., Bojar A.-V., Sobock\u00fd T. 2021:<\/strong> Permian A\u2011type granites of the Western Carpathians and Transdanubian regions: products of the Pangea supercontinent breakup. International Journal of Earth Sciences<\/em>, 110, 6, 2133\u20132155.<\/li>
          • Abdelfadil K.M., Mahdy N.M., Ondrejka M., Puti\u0161 M. 2022:<\/strong> Mineral chemistry and monazite chemical Th\u2013U\u2013total Pb dating of the Wadi Muweilha muscovite pegmatite, Central Eastern Desert of Egypt: constraints on its origin and geodynamic evolution relative to the Arabian Nubian Shield. International Journal of Earth Sciences<\/em>, 111, 3, 823\u2013860.<\/li>
          • Ondrejka M., Vojtko R., Puti\u0161 M., Chew D.M., Ol\u0161avsk\u00fd M., Uher P., Nemec O., Drakou F., Moln\u00e1rov\u00e1 A., Spi\u0161iak J. 2022<\/strong>: Permian A-type rhyolites of the Drienok Nappe, Inner Western Carpathians, Slovakia: Tectonic setting from in-situ zircon U\u2013Pb LA\u2013ICP\u2013MS dating. Geologica Carpathica<\/em>, 73, 2, 123\u2013136.<\/li>
          • Ondrejka M., Moln\u00e1rov\u00e1 A., Puti\u0161 M., Ba\u010d\u00edk P., Uher P., Volekov\u00e1 B., Milovsk\u00e1 S., Miku\u0161 T., Pukan\u010d\u00edk L. 2022:<\/strong> Hellandite-(Y)-hingganite-(Y)-fluorapatite retrograde coronae: A novel type of fluid-induced dissolution-reprecipitation breakdown of xenotime-(Y) in the metagranites of Fabova Ho\u013ea, Western Carpathians, Slovakia. Mineralogical Magazine<\/em>, 86, 4, 586\u2013605.<\/li>
          • Uher P., Ozd\u00edn D., Ba\u010d\u00edk P., \u0160tevko M., Ondrejka M., Rybnikova O., Chl\u00e1dek \u0160., Fridrichov\u00e1 J., Pr\u0161ek J., Pu\u0161kelov\u00e1 \u013d. 2022:<\/strong> Phenakite and bertrandite: products of post-magmatic alteration of beryl in granitic pegmatites (Tatric Superunit, Western Carpathians, Slovakia). Mineralogical Magazine<\/em>, 86, 5, 715\u2013729.<\/li>
          • El Monsef M.A., Sami M., Toksoy\u2010K\u00f6ksal F., Abart R., Ondrejka M., Abdelfadil K.M. 2023:<\/strong> Role of Magmatism and Related-Exsolved Fluids during Ta-Nb-Sn Concentration in the Central Eastern Desert of Egypt: Evidences from Mineral Chemistry and Fluid Inclusions. Journal of Earth Science<\/em>, 34, 3, 674\u2013689<\/li>
          • Ondrejka M., Uher P., Ferenc \u0160., Milovsk\u00e1 S., Miku\u0161 T., Moln\u00e1rov\u00e1 A., \u0160koda R., Kop\u00e1\u010dik R., Ba\u010d\u00edk P. 2023: <\/strong>Gadolinium-dominant monazite and xenotime: Selective hydrothermal enrichment of middle REE during low-temperature alteration of uraninite, brannerite, and fluorapatite (the Zimn\u00e1 Voda REE-U-Au quartz vein, Western Carpathians, Slovakia). American Mineralogist<\/em>, 108, 754\u2013768<\/li>
          • Ondrejka M., Uher P., Ferenc \u0160., Majzlan J., Pollok K., Miku\u0161 T., Milovsk\u00e1 S., Moln\u00e1rov\u00e1 A., \u0160koda R., Kop\u00e1\u010dik R., Kurylo S., Ba\u010d\u00edk P. 2023:<\/strong> Monazite-(Gd), a new Gd-dominant mineral of the monazite group from the Zimn\u00e1 Voda REE\u2013U\u2013Au quartz vein, Prakovce, Western Carpathians, Slovakia. Mineralogical Magazine<\/em>, 87, 4, 568\u2013574.<\/li>
          • Ondrejka M., Ferenc \u0160., Majzlan J., \u0160tevko M., Kop\u00e1\u010dik R., Volekov\u00e1 B., Milovsk\u00e1 S., G\u00f6ttlicher J.,<\/strong> Steininger R., Miku\u0161 T., Uher P., Biro\u0148 A., Sejkora J. and Moln\u00e1rov\u00e1 A. 2023<\/strong>: Secondary uranyl arsenates\u2013phosphates and Sb\u2013Bi-rich minerals of the segnitite\u2013philipsbornite series in the oxidation zone at the Prakovce-Zimn\u00e1 Voda REE\u2013U\u2013Au quartz-vein mineralisation, Western Carpathians, Slovakia. Mineralogical Magazine<\/em>, 87, 6, 849\u2013865.<\/li>
          • Puti\u0161 M., Sl\u00e1ma J., Li Q.-L., Nemec O., Ondrejka M., Li X.-H., Koller F., Ackerman L., Strnad L. and Ru\u017ei\u010dka P. 2024:<\/strong> Lithology, U\u2013Pb zircon geochronology, and geochemistry of the Austroalpine Sieggraben Complex: Pre-Alpine vs. Alpine history. Lithos<\/em>, 482\u2013483, 107739.<\/li>
          • Mahdy N.M., El-Rahman Y.A., Frische M., Ondrejka M., Mira H.I., Iizuka T., Skublov S.G., Saleh G.M., Ghoniem M.M., Mitwally M., El-Sundolly H., Eliwa H., Hassan M., Nasr T. and El-Dokouny H.A. 2024:<\/strong> A remnant root of a Neoproterozoic island arc in the Northern Eastern Desert of Egypt: Evidence from the whole-rock and amphibole chemistry of the Gattar gabbro. Geochemistry<\/em>, 84, 2, 126113.<\/li>
          • Ondrejka M., Ba\u010d\u00edk P., Majzlan J., Uher P., Ferenc \u0160., Miku\u0161 T., \u0160tevko M., \u010caplovi\u010dov\u00e1 M., Milovsk\u00e1 S., Moln\u00e1rov\u00e1 A., R\u00f6\u00dfler<\/strong> Ch., Matthes M.<\/strong> 2024:<\/strong> Xenotime-(Gd), a new Gd-dominant mineral of the xenotime group from the Zimn\u00e1 Voda REE\u2013U\u2013Au quartz vein, Prakovce, Western Carpathians, Slovakia. Mineralogical Magazine<\/em>, 88, 5, 613\u2013622.<\/li>
          • Mahdy N.M., Ondrejka M., Ba\u010d\u00edk P., Biagioni C., Sejkora J., Uher P., \u0160tevko M., F\u00f6rster H.-J., Miku\u0161 T. 2025: <\/strong>Marsaalamite-(Y), Y(MoO4<\/sub>)OH, a new molybdate mineral from the Um Safi area, Marsa Alam District, Central Eastern Desert, Egypt. Mineralogical Magazine<\/em>, 89, 443\u2013453.<\/li>
          • Ondrejka M., F\u00f6rster H.-J., B\u00e9van M., Uher P., Kianguebene-Koussingounina Ch.E., Mahdy N.M. 2025: <\/strong>Evolution of accessory Nb\u2013Ta\u2013W\u2013Sn\u2013Ti\u2013Fe oxide minerals from the Markersbach highly evolved aluminous A-type granite, Erzgebirge, Germany: Magmatic to hydrothermal processes and elemental mobility during F-rich fluid\u2013rock interaction. Geologica Carpathica<\/em>, 76, 3, 209\u2013224.<\/li>
          • Pl\u00e1\u0161il J., Steciuk G., Sejkora J., Kampf A.R., Uher P., Ondrejka M., \u0160koda R., Doln\u00ed\u010dek Z., Philippo S., Guennou M., Meisser N., Rohl\u00ed\u010dek J., Mees F. 2025: <\/strong>Extending the mineralogy of U6+<\/sup> (I): Crystal structure of lepersonnite-(Gd) and a description of the new mineral lepersonnite-(Nd). Mineralogical Magazine, 89, 549\u2013565.<\/li>
          • Ondrejka M., F\u00f6rster H.-J., B\u00e9van M., Uher P., Kianguebene-Koussingounina Ch.E., Osack\u00fd M., Mahdy N.M. 2026: <\/strong>Formation and fluid-driven transformation of accessory Zr\u2013Th\u2013U and REE minerals in an F-rich environment: the Markersbach A-type granite, Erzgebirge, Germany. Mineralogy and Petrology<\/em> https:\/\/doi.org\/10.1007\/s00710-026-00981-1<\/li><\/ul>\n\n\n\n

            <\/p>\n<\/div><\/div>\n\n\n\n

            Awarded Projects<\/h2>\n\n\n\n

            09I03-03-V06-00071 \u2013 principal investigator<\/strong> (2025) Booster – Petrogenetic models of Palaeozoic granitic rocks in the Western Carpathians and their correlation. Research and innovation authority (VAIA): NextGenerationEU – Recovery and Resilience Plan of the Slovak Republic<\/p>\n\n\n\n

            APVV-22-0092 \u2013 principal investigator<\/strong> (2023-2026) Petrogenetic models of Palaeozoic granitic rocks in the Western Carpathians and their correlation<\/p>\n\n\n\n

            VEGA 1\/0467\/20 \u2013 principal investigator <\/strong>(2020-2022) Remobilisation and fractionation of rare lithophile elements under hydrothermal and supergene conditions<\/p>\n\n\n\n

            VEGA 1\/0257\/13 – principal investigator<\/strong>  (2013-2015). Accessory minerals under rock-fluid interaction conditions in magmatic and metamorphic systems<\/p>\n\n\n\n

            Awards<\/h2>\n\n\n\n

            1. Slovak Geological Society Prize <\/strong>for the most important scientific paper between 2007 and 2008, category II. \u2013 Scientific papers of young authors under 35. <\/strong><\/p>\n\n\n\n

            Awarded publication: <\/strong>Ondrejka M., Uher P., Pr\u0161ek J., Ozd\u00edn D. 2007: Arsenian monazite-(Ce) and xenotime-(Y), REE arsenates and carbonates from the Tisovec-Rejkovo rhyolite, Western Carpathians, Slovakia: Composition and substitutions in the (REE,Y)XO4<\/sub> system (X = P, As, Si, Nb, S), Lithos, 95, 1, 116-129.<\/em><\/p>\n\n\n\n

            2. Slovak Geological Society Prize <\/strong><\/strong>for the most important scientific paper between 2023 and 2024, category I \u2013 Scientific papers of authors without age limit. <\/p>\n\n\n\n

            Awarded publication:<\/strong> Gadolinium-dominant monazite and xenotime: Selective hydrothermal enrichment of middle REE during low-temperature alteration of uraninite, brannerite, and fluorapatite (the Zimn\u00e1 Voda REE-U-Au quartz vein, Western Carpathians, Slovakia), American Mineralogist<\/em>, 108, 754-768.<\/p>\n\n\n\n

            3. Member of an awarded Excellent scientific mineralogical-petrological team<\/strong> (Puti\u0161, Uher, Ondrejka and Ba\u010d\u00edk) recognised by the Accreditation Commission of the Slovak Republic in 2015 and 2018 and Silver medal of Comenius University<\/strong> (Excellent scientific mineralogical-petrological team) in 2016.<\/p>\n\n\n\n

            4. The J\u00e1n Pettko Prize<\/strong> 2025<\/strong> for scientific merit, publication and citation impact, and for promoting the good name of Slovak geology abroad.<\/p>\n\n\n\n

            Media<\/h2>\n\n\n","protected":false},"excerpt":{"rendered":"

            Position: Associate professor Room: G-317 Phone: +421 2 9014 9296 … <\/p>\n","protected":false},"author":2,"featured_media":0,"parent":1966,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"ngg_post_thumbnail":0},"folder":[],"yoast_head":"\nAssoc. Prof. Martin Ondrejka, PhD - Katedra mineral\u00f3gie, petrol\u00f3gie a lo\u017eiskovej geol\u00f3gie<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kmplg.sk\/?page_id=2225&lang=en\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Assoc. 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