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Mineralogy and genesis of the Pb-Zn-Sb-Ag vein H32A in the Příbram uranium and base-metal district, Bohemian Massif, Czech Republic

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00023272%3A_____%2F23%3A10136174" target="_blank" >RIV/00023272:_____/23:10136174 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/pii/S0169136823004110" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0169136823004110</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.oregeorev.2023.105695" target="_blank" >10.1016/j.oregeorev.2023.105695</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Mineralogy and genesis of the Pb-Zn-Sb-Ag vein H32A in the Příbram uranium and base-metal district, Bohemian Massif, Czech Republic

  • Original language description

    A detailed paragenetic, electron microprobe, fluid inclusion and S,C,O-isotope study was conducted on Pb-Zn-Sb-Ag mineralization of the vein H32A, Háje deposit, Příbram uranium and base-metal district, Czech Republic. A rich mineral assemblage consisting of 44 mineral phases formed during two major mineralization stages (siderite-sulphidic and calcite-sulphidic). The vein is dominated by carbonates (especially siderite-rhodochrosite, less frequently dolomite-ankerite-kutnohorite, rarely calcite), minor constituents are quartz, illite-muscovite, and chamosite (locally with up to 1.52 apfu Sb, 0.53 apfu Zn and 0.38 apfu Pb). Ore minerals are dominated by Ag-poor galena. The Fe-poor sphalerite, pyrrhotite, löllingite, arsenopyrite, Pb-Sb, Pb-Sb-Ag and Cu-Ag-Sb sulphosalts are subordinate phases and dyscrasite, native antimony and native arsenic are accessories. The fluid inclusion study revealed the wide ranges of homogenization temperatures (210-&lt;100 oC) and salinities (0.0-30.5 wt. % NaCl eq.) of exclusively aqueous fluid inclusions. The calculated fluid d18O values are highly positive for early siderite (+7.2 to +9.6 %o V-SMOW), and near-zero for later dolomites and calcites (-2.9 to +3.2 %o V-SMOW). The siderite fluids likely represent deeply circulated waters, which underwent a significant isotope exchange with hot crustal rocks. Late low-salinity fluids were likely sourced from the Permian partly evaporated freshwater piedmont basins. The high-salinity Ca-Na-Cl brines rarely recorded in secondary fluid inclusions hosted by late calcite likely represent either local &quot;shield brines&quot; or basinal brines of marine provenance. The study site covers a metallogenetically significant portion of the Late Variscan fluid history within an active crust-scale tectonic zone hosted by basement of the Bohemian Massif.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10504 - Mineralogy

Result continuities

  • Project

    <a href="/en/project/GA19-16218S" target="_blank" >GA19-16218S: Complex Ag-(Sb,As) bonanza mineralizations in the Příbram uranium and base-metal district - model example of origin of strongly enriched ore bodies</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2023

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Ore Geology Reviews

  • ISSN

    0169-1368

  • e-ISSN

  • Volume of the periodical

    162

  • Issue of the periodical within the volume

    November

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    33

  • Pages from-to

    1-33

  • UT code for WoS article

    001085296700001

  • EID of the result in the Scopus database