About: Geological position and origin of augen gneisses from the Polička Unit, eastern Bohemian Massif     Goto   Sponge   NotDistinct   Permalink

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  • Augen gneisses are a peculiar lithological type of the Polička Unit, which can be divided into two main petrographic groups: augen metagranitoids and migmatitic augen gneisses. Both of the groups represent products of magmatic and metamorphic processes. Tonalitic to granodioritic synkinematic intrusions were emplaced into metasedimentary rocks of the Polička Unit during the Late Variscan orogeny, forming plutonic bodies and dykes. Residual fluids from granitic melts pervasively infiltrated the metasedimentary protolith causing a fluid-enhanced partial melting. Melting produced porphyroblastic migmatites with a granite composition. The characteristic augen textures developed from granitic and migmatitic protoliths during a high-temperature deformation in subsolidus conditions. Both the augen metagranitoids and the migmatitic augen gneisses were affected by a subsequent deformation in the shear zone related with thrusting of the Polička Unit over the Svratka Unit.
  • Augen gneisses are a peculiar lithological type of the Polička Unit, which can be divided into two main petrographic groups: augen metagranitoids and migmatitic augen gneisses. Both of the groups represent products of magmatic and metamorphic processes. Tonalitic to granodioritic synkinematic intrusions were emplaced into metasedimentary rocks of the Polička Unit during the Late Variscan orogeny, forming plutonic bodies and dykes. Residual fluids from granitic melts pervasively infiltrated the metasedimentary protolith causing a fluid-enhanced partial melting. Melting produced porphyroblastic migmatites with a granite composition. The characteristic augen textures developed from granitic and migmatitic protoliths during a high-temperature deformation in subsolidus conditions. Both the augen metagranitoids and the migmatitic augen gneisses were affected by a subsequent deformation in the shear zone related with thrusting of the Polička Unit over the Svratka Unit. (en)
Title
  • Geological position and origin of augen gneisses from the Polička Unit, eastern Bohemian Massif
  • Geological position and origin of augen gneisses from the Polička Unit, eastern Bohemian Massif (en)
skos:prefLabel
  • Geological position and origin of augen gneisses from the Polička Unit, eastern Bohemian Massif
  • Geological position and origin of augen gneisses from the Polička Unit, eastern Bohemian Massif (en)
skos:notation
  • RIV/00025798:_____/09:00000124!RIV10-MZP-00025798
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MZP0002579801)
http://linked.open...iv/cisloPeriodika
  • 2
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 316309
http://linked.open...ai/riv/idVysledku
  • RIV/00025798:_____/09:00000124
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • structural geology, petrology, geochemistry, geothermobarometry, augen gneiss, Polička Unit (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [61A13B692981]
http://linked.open...i/riv/nazevZdroje
  • Journal of Geosciences
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 54
http://linked.open...iv/tvurceVysledku
  • Buriánek, David
  • Hanžl, Pavel
  • Hrdličková, Kristýna
http://linked.open...n/vavai/riv/zamer
issn
  • 1802-6222
number of pages
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