The Evolution of the Rheic Ocean: From Avalonian-Cadomian Active Margin to Alleghenian-Variscan Collision

Structural evolution of the Prague synform (Czech Republic) during Silurian times: An AMS, rock magnetism, and paleomagnetic study of the Svatý Jan pod Skalou dikes. Consequences for the nappes emplacement
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Published:January 01, 2007
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CiteCitation
Tahar Aïfa, Petr Pruner, Martin Chadima, Petr Štorch, 2007. "Structural evolution of the Prague synform (Czech Republic) during Silurian times: An AMS, rock magnetism, and paleomagnetic study of the Svatý Jan pod Skalou dikes. Consequences for the nappes emplacement", The Evolution of the Rheic Ocean: From Avalonian-Cadomian Active Margin to Alleghenian-Variscan Collision, Ulf Linnemann, R. Damian Nance, Petr Kraft, Gernold Zulauf
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Silurian effusive basalts and volcaniclastics compose the Svatý Jan volcanic center, which is located in the northwestern limb of the Prague synform, where three major volcanic phases have been recognized: the first one of early to mid-Wenlock and the last of mid-Ludlow age. Two alkaline basalt dikes of late Wenlock to mid-Ludlow age, respectively tilted to the west and to the northeast, as observed in a 100-m-thick tuff sequence, which represents the second volcanic phase, have been extensively sampled. An anisotropy of the magnetic susceptibility (AMS) study of seventy-nine specimens taken from a 5-m-thick dike (dike1) and thirty-two specimens cored...
- anisotropy
- basalts
- basins
- Bohemia
- Bohemian Massif
- Central Europe
- Czech Republic
- deformation
- dikes
- emplacement
- Europe
- fabric
- faults
- folds
- igneous rocks
- intrusions
- isothermal remanent magnetization
- lithostratigraphy
- Lower Silurian
- magmatism
- magnetic properties
- magnetic susceptibility
- magnetization
- nappes
- paleomagnetism
- Paleozoic
- Prague Basin
- remanent magnetization
- Silurian
- synclinoria
- synform folds
- tectonics
- transtension
- volcanic rocks
- Wenlock
- Zlichov Formation
- Kopanina Formation
- Motol Formation
- Pridoli Formation
- Lochkov Formation
- Praha Formation
- Pozary Formation
- Svaty Jan pod Skalou Dikes