2013
DOI: 10.1002/tect.20028
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Structural and anisotropy of magnetic susceptibility records of granitoid sheets emplacement during growth of a continental gneiss dome (Central Sudetes, European Variscan Belt)

Abstract: [1] Granitoid magmatic sheets emplaced syntectonically during growth of the Orlica-Śnieżnik mantled gneiss dome (Central Sudetes, European Variscan belt) were examined by means of structural geology, quartz, and anisotropy of magnetic susceptibility (AMS) fabric studies. Magmatic emplacement was localized along the eastern transpressive margin of the high metamorphic core and below the low-grade detached mantle rimming the southern margin of the dome. In the first area, the magmatic sheets were emplaced parall… Show more

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Cited by 15 publications
(11 citation statements)
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“…The deepest parts of the intrusion with magmatic inclusions have been dragged southwestward along southwest dipping shear zones, while the magma was still unconsolidated and ultimately sheared below the WCDS. A similar geometry was inferred for other plutons emplaced into zones affected by noncoaxial shearing [ Bouillin et al , ; Acocella and Rossetti , ; Kratinová et al , ; Denèle et al , ; Lehmann et al , ; Laurent et al , ] and also modeled by Schulmann and Ježek [].…”
Section: Discussionsupporting
confidence: 71%
“…The deepest parts of the intrusion with magmatic inclusions have been dragged southwestward along southwest dipping shear zones, while the magma was still unconsolidated and ultimately sheared below the WCDS. A similar geometry was inferred for other plutons emplaced into zones affected by noncoaxial shearing [ Bouillin et al , ; Acocella and Rossetti , ; Kratinová et al , ; Denèle et al , ; Lehmann et al , ; Laurent et al , ] and also modeled by Schulmann and Ježek [].…”
Section: Discussionsupporting
confidence: 71%
“…On the grain scale, the transposition occurs without kinking or folding of the previous fabric indicating that crystals were individually rotated while being still separated by a liquid fraction (crystal mush). The transposition process and its impact on the AMS ellipsoid and parameters should be similar to that described and modelled by Lehmann et al (2013). These authors show that the transposition of a magmatic fabric leads to a strong c-axis orientation of elongated minerals (e.g.…”
Section: Fabric Distribution Across the Plutonsupporting
confidence: 57%
“…The OSD core comprises synforms of metasedimentary rocks (so‐called Stronie and Młynowiec formations), surrounded by antiforms of orthogneiss (Śnieżnik and Gierałtów types) with small bodies of eclogite and high‐ P (HP) granulite. Elongated sheets of syntectonic granitoid are found within the OSD mantle and locally within the OSD core (Lehmann et al ., ; Fig. ).…”
Section: Geological Settingmentioning
confidence: 93%