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    Article

    Chronology of the Kašperské Hory orogenic gold deposit, Bohemian Massif, Czech Republic

    The Kašperské Hory deposit represents one of the economically most important hydrothermal gold deposits in the Bohemian Massif (Czech Republic). We present new Re–Os age determinations for sulfides complemente...

    Lukáš Ackerman, Karel Žák, Eva Haluzová, Robert A. Creaser in Mineralium Deposita (2019)

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    Article

    Multiphase formation of the Obří důl polymetallic skarn deposit, West Sudetes, Bohemian Massif: geochemistry and Re–Os dating of sulfide mineralization

    The Obří důl Fe–Cu–As polymetallic sulfide skarn deposit is developed in a metamorphic series in the West Sudetes, Bohemian Massif. It consists of lenses of marble, calc–silicate rocks, and skarns. We studied ...

    František Veselovský, Lukáš Ackerman, Jan Pašava, Karel Žák in Mineralium Deposita (2018)

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    Open Access

    Zhamanshin astrobleme provides evidence for carbonaceous chondrite and post-impact exchange between ejecta and Earth’s atmosphere

    Chemical fingerprints of impacts are usually compromised by extreme conditions in the impact plume, and the contribution of projectile matter to impactites does not often exceed a fraction of per cent. Here we...

    Tomáš Magna, Karel Žák, Andreas Pack, Frédéric Moynier in Nature Communications (2017)

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    Chapter

    Brdy Highland: A Landscape Shaped in the Periglacial Zone of Quaternary Glacials

    Brdy Highland represents the highest upland in the central part of the Czech Republic outside the mountain ranges distributed in the peripheral parts and along the borders of the country. Because of the existe...

    Karel Žák in Landscapes and Landforms of the Czech Republic (2016)

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    Chapter

    The Bohemian Karst: A Condensed Record of Landscape and Living Nature Evolution

    Rich in historical heritage and natural beauties and located close to , the Bohemian Karst has attracted visitors and scholars for centuries. Lower Paleozoic strata, folded and faulted during the , have yiel...

    Karel Žák, Pavel Bosák, Jiří Bruthans in Landscapes and Landforms of the Czech Republic (2016)

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    Article

    Changes in Mercury Deposition in a Mining and Smelting Region as Recorded in Tree Rings

    Metal mining and processing in the central Czech Republic has led to the contamination of surrounding soils and vegetation. In this study, Hg concentrations were measured in spruce (Picea abies L.) and beech (Fag...

    Maria Hojdová, Tomáš Navrátil, Jan Rohovec, Karel Žák in Water, Air, & Soil Pollution (2011)

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    Article

    Travertine deposits of the Karlovy Vary thermal water system

    In the periods 1980–1986 and 1990–2007 many boreholes were sunk during hydrogeological investigations in the center of the Karlovy Vary (Carlsbad) hot spring system. The extent and the depths reached were the ...

    Tomáš Vylita, Karel Žák in Environmental Geology (2009)

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    Article

    Fluxes of Heavy Metals from a Highly Polluted Watershed During Flood Events: A Case Study of the Litavka River, Czech Republic

    The Litavka River (length 56 km, watershed area 630 km2, average flow at the outlet to the Berounka River 2.57 m3 s−1) drains the historical mining, ore processing, and smelting region of Příbram. This Ag–Pb–Zn±S...

    Karel Žák, Jan Rohovec, Tomáš Navrátil in Water, Air, and Soil Pollution (2009)

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    Article

    The Rožná uranium deposit (Bohemian Massif, Czech Republic): shear zone-hosted, late Variscan and post-Variscan hydrothermal mineralization

    Three major mineralization events are recorded at the Rožná uranium deposit (total mine production of 23,000 t U, average grade of 0.24% U): (1) pre-uranium quartz-sulfide and carbonate-sulfide mineralization,...

    Bohdan Kříbek, Karel Žák, Petr Dobeš, Jaromír Leichmann in Mineralium Deposita (2009)

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    Article

    Floodplain sediments of the 2002 catastrophic flood at the Vltava (Moldau) River and its tributaries: mineralogy, chemical composition, and post-sedimentary evolution

    Fine-grained floodplain sediments of the catastrophic 2002 flood deposited along the lower reaches of the Berounka and Vltava Rivers, Czech Republic, were not highly contaminated with heavy metals and other to...

    Tomáš Navrátil, Jan Rohovec, Karel Žák in Environmental Geology (2008)

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    Article

    Tin–polymetallic sulfide deposits in the eastern part of the Dachang tin field (South China) and the role of black shales in their origin

    The Dafulou and Huile vein and stratabound cassiterite–sulfide deposits and sheeted ore veins at the Kangma cassiterite–sulfide deposit are located in the eastern part of the Dachang tin field. These deposits ...

    Jan Pašava, Bohdan Kříbek, Petr Dobeš, Ivan Vavřín, Karel Žák in Mineralium Deposita (2003)

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    Article

    Geology and genesis of Variscan porphyry-style gold mineralization, Petráčkova hora deposit, Bohemian Massif, Czech Republic

    A large number of Variscan mesothermal gold deposits are located in the central part of the Bohemian Massif, close to the Central Bohemian Plutonic Complex. The Petráčkova hora deposit has many features that ...

    Jiří Zachariáš, Zdeněk Pertold, Marta Pudilová, Karel Žák in Mineralium Deposita (2001)