Record details

Title
    Mineralogie a geneze rudního výskytu od Nectavy
Statement of responsibility
    Zdeněk Dolníček, Marek Slobodník
Other titles
    Mineralogy and genesis of the ore occurrence near Nectava
Author
    Dolníček, Zdeněk
    Slobodník, Marek, 1957-
Language
    česky
Source title - monograph
    Sborník referátů ze semináře Mineralogie Českého masivu a Západních Karpat, 29.-31.5.2002 Olomouc a Petrov nad Desnou
Pages
    s. 9-13
Notes
    2 obr.
    Anglické resumé
    il.
    Obsahuje bibliografické odkazy
Classfication no.
    549
    55(1)
    553.3/.4
Conspectus category
    549
    553
Subject group
    baryt
    geneze
    izotopy stabilní
    lokalita mineralogická
    mineralizace
    mineralogie topografická
    moravikum
    rudy barevných kovů
    žíla
Geographical name
    ČR-Morava
    Nectava (Svitavy, Moravská Třebová)
Keyword
    Geneze
    Mineralogie
    Nectavy
    Rudního
    Výskytu
Abstract (in english)
   The ore occurrence near nectava (70 km N of Brno, Moravia, Czech Republic) was studied using microscopic, electron microprobe and stable isotope techniques. Mineralization forms a sill within Nectava orthogneisses (= analogon of the Bíteš othogneiss in Moravicum). Barite, common sulphides, fluorite, calcite, quartz, albite, Ba-muscovite (1-8 wt. per cent BaO) and hyalophane (8-18 mol. per cent Cn) were found as primary minerals. The nature, geological position, mineral assemblage and scattered positive delta34S values of sulphides indicate metamorphic reworking of the mineralization. the age of both mineralizing and metamorphic event remains still unknown, but the studied occurrence has similar mineralogical and isotopic features as Proterozoic to Lower Paleozoic barite-sulphide deposits elsewhere in the Bohemian massif (Moldanubicum, Silesicum), which were affected by Variscan metamorphism
Contributor
    Česká geologická služba
Contributor code
    ČGS (UNM)
Source format
    U
Entered date
    16. 4. 2008
Import date
    8. 8. 2012