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

• 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
• 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.

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