Structures, textures and classification of the Devonian metavolcanics - Southern part of the Vrbno Group (Silesicum, Jeseniky Mts.)

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Authors	WILIMSKÝ Dávid HANŽL Pavel PŘICHYSTAL Antonín AICHLER Jaroslav MIXA Petr PECINA Vratislav ŽÁČEK Vladimír
Year of publication	2003
Type	Article in Periodical
Magazine / Source	Journal of the Czech Geological Society
MU Faculty or unit	Faculty of Science
Citation
Field	Geology and mineralogy
Keywords	volcanics; Vrbno Group; Silesicum; structures; textures; classification
Description	There are described main volcanic rocks in the southern part of the Devonian Vrbno Group: basalts to trachyandesites with pillow structure, agglomerate metatufs of slightly alkaline trachybasalts to trachyandesites and sub-alkaline dacites to rhyolite, metamorphosed ignimbrites (chemically dacites, rhyolites and/or comendites-pantelerites, metadolerites (mostly subalkaline basalts) and acid metamorphosed subvolcanics.
Related projects:	Volcanism related to the breakdown of the passive continental margin, an example from the southern part of the Vrbno Group, Silesicum Geological Processes and their Environmental Impact - Contact of the Variscides and Alpides