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- Title
The Altenhain Rhyolite -- a subvolcanic rock in the mid-European Chemnitz-Flöha Volcanic Zone (Pennsylvanian, SE Germany).
- Authors
Löcse, Frank; Witzke, Thomas; Schneider, Gitta; Rößler, Ronny
- Abstract
Late Paleozoic (Variscan) magmatism is widespread in Central Europe. One of the critical areas that contributes to the understanding of the complex volcanotectonic processes at the Pennsylvanian to Cisuralian transition is the Chemnitz- Flöha Volcanic Zone (CFVZ). The latter is part of the type region of the Saxo-Thuringian Zone of the European Variscides. For the Altenhain Rhyolite, which is part of the CFVZ we present a complete dataset concerning its whole-rock geochemistry. The potassium-rich Altenhain Rhyolite originated from a highly differentiated, calc-alkaline, peraluminous, A-type granitic melt with an intra-plate signature. There are strong geochemical similarities to the Flöha Ignimbrite and the Zeisigwald Tuff pyroclastics, both belonging to the CFVZ. The occurrence of a rare mineral from the arsenogoyazite/arsenoflorencite-(Ce) solid solution series is recognised.
- Subjects
CHEMNITZ (Germany); RHYOLITE; SOLID solutions; VOLCANIC ash, tuff, etc.; IGNIMBRITE; GEOCHEMISTRY; PALEOZOIC Era; VOLCANIC soils
- Publication
Journal of Applied & Regional Geology / Zeitschrift der Deutschen Gesellschaft für Geowissenschaften (ZDGG), 2023, Vol 174, Issue 1, p31
- ISSN
1860-1804
- Publication type
Article
- DOI
10.1127/zdgg/2023/0325