Structures, textures and classification of the Devonian metavolcanics - Southern part of the Vrbno Group (Silesicum, Jeseniky Mts.)
Autoři | |
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Rok publikování | 2003 |
Druh | Článek v odborném periodiku |
Časopis / Zdroj | Journal of the Czech Geological Society |
Fakulta / Pracoviště MU | |
Citace | |
Obor | Geologie a mineralogie |
Klíčová slova | volcanics; Vrbno Group; Silesicum; structures; textures; classification |
Popis | 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. |
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