Record details

Title
    Multiple fluid sources/pathways and severe thermal gradients during formation of the Jílové orogenic gold deposit, Bohemian Massif, Czech Republic
Author
    Pudilová, M.
    Snee, L. W.
    Zachariáš, J.
    Žák, Karel
Language
    anglicky
Publication type
    článek v odborném periodiku
Source title - serial
    Ore Geology Reviews
Vol./nr.
    Roč. 54, October
Pages
    s. 81-109
Year
    2013
Notes
    Rozsah: 29 s. : E
    Výzkumný záměr: CEZ:AV0Z30130516
Subject category
    Age
    Bismuth
    Bohemian Massif
    Carbon isotopes
    Orogenic gold deposits
    Oxygen isotopes
Keyword
    Bohemian
    Czech
    Deposit
    During
    Fluid
    Formation
    Gold
    Gradients
    Jílové
    Massif
    Multiple
    Orogenic
    Republic
    Severe
    Sources/pathways
    Thermal
Abstract (in english)
   The Jílové deposit in the central part of the Bohemian Massif represents a vein to stockwork type of orogenic-type gold deposit. It is hosted by Neoproterozoic rocks of the Jílové Belt and by various magmatic dikes related to the ~355 to ~335 Ma Central Bohemian Plutonic Complex. The deposit offered an exceptional opportunity to trace O, C, S and Sr stable isotope evolution of parent fluids based on combined mineralogical and geochemical study of carbonate, quartz, scheelite, and sulfide minerals, which represent six stages of mineralization, including the gold-bearing event. Age determination of hydrothermal muscovite (related to stage 2) via 40Ar/39Ar indicated an age of 339.0 ? 1.5 Ma for the quartz veins. The mineralization is essentially coeval with the late intrusive phases of the Central Bohemian Plutonic Complex (i.e. the ultrapotassic suite) and with late-orogenic large-scale tectonic movements at the boundary between the two crustal terranes (Teplá-Barrandian and Moldanubian)
   .
Contributor
    AV ČR Brno, Geologický ústav
Contributor code
    AV ČR, GLÚ
Source format
    U
Import date
    23. 10. 2014