About: Magmatic to solid state fabrics in syntectonic granitoids recording early Carboniferous orogenic collapse in the Bohemian Massif     Goto   Sponge   NotDistinct   Permalink

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Description
  • The similar to 354-336 Ma Central Bohemian Plutonic Complex is a Variscan magmatic arc that developed in the central Bohemian Massif in response to subduction of the Saxothuringian lithosphere beneath the Tepla-Barrandian microplate. Magmatic to solid state fabrics in the most voluminous portion of this arc (the similar to 346 Ma Blatna pluton) record two superposed orogenic events: dextral transpression associated with arc-parallel stretching and arc-perpendicular shortening, and normal shearing associated with exhumation of the high-grade core of the orogen (Moldanubian unit). This kinematic switch is an important landmark in the evolution of this segment of the Variscan belt for it marks the cessation of subduction-related compressive forces in the upper crust giving way to gravity-driven normal movements of the Tepla-Barrandian hanging wall block relative to the high-grade Moldanubian footwall. We use thermal modeling to demonstrate that the emplacement of huge volumes of arc magmas and their slow cooling produced a thermally softened domain in the upper crust and that the magmatic arc granitoids may have played a major role in initiating the orogenic collapse in the Bohemian Massif through lubrication and reactivation of a pre-existing lithospheric boundary and decreasing the overall strength of the rigid orogenic lid.
  • The similar to 354-336 Ma Central Bohemian Plutonic Complex is a Variscan magmatic arc that developed in the central Bohemian Massif in response to subduction of the Saxothuringian lithosphere beneath the Tepla-Barrandian microplate. Magmatic to solid state fabrics in the most voluminous portion of this arc (the similar to 346 Ma Blatna pluton) record two superposed orogenic events: dextral transpression associated with arc-parallel stretching and arc-perpendicular shortening, and normal shearing associated with exhumation of the high-grade core of the orogen (Moldanubian unit). This kinematic switch is an important landmark in the evolution of this segment of the Variscan belt for it marks the cessation of subduction-related compressive forces in the upper crust giving way to gravity-driven normal movements of the Tepla-Barrandian hanging wall block relative to the high-grade Moldanubian footwall. We use thermal modeling to demonstrate that the emplacement of huge volumes of arc magmas and their slow cooling produced a thermally softened domain in the upper crust and that the magmatic arc granitoids may have played a major role in initiating the orogenic collapse in the Bohemian Massif through lubrication and reactivation of a pre-existing lithospheric boundary and decreasing the overall strength of the rigid orogenic lid. (en)
Title
  • Magmatic to solid state fabrics in syntectonic granitoids recording early Carboniferous orogenic collapse in the Bohemian Massif
  • Magmatic to solid state fabrics in syntectonic granitoids recording early Carboniferous orogenic collapse in the Bohemian Massif (en)
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  • Magmatic to solid state fabrics in syntectonic granitoids recording early Carboniferous orogenic collapse in the Bohemian Massif
  • Magmatic to solid state fabrics in syntectonic granitoids recording early Carboniferous orogenic collapse in the Bohemian Massif (en)
skos:notation
  • RIV/00216208:11310/12:10128650!RIV13-GA0-11310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, P(GA205/09/0630), P(GAP210/11/1168), Z(MSM0021620855), Z(MSM6840770003)
http://linked.open...iv/cisloPeriodika
  • 3
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
  • 147735
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11310/12:10128650
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Variscan orogeny; Tepla-Barrandian unit; Gravitational collapse; Granite; Exhumation; Bohemian Massif (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [7F71F7B0BCD7]
http://linked.open...i/riv/nazevZdroje
  • Journal of Structural Geology
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 36
http://linked.open...iv/tvurceVysledku
  • Holub, František
  • Kabele, Petr
  • Halodová, Patricie
  • Verner, Kryštof
  • Žák, Jiří
  • Chlupácová, Marta
http://linked.open...ain/vavai/riv/wos
  • 000301630600004
http://linked.open...n/vavai/riv/zamer
issn
  • 0191-8141
number of pages
http://bibframe.org/vocab/doi
  • 10.1016/j.jsg.2011.12.011
http://localhost/t...ganizacniJednotka
  • 11310
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