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Keywords from Image Description:
Riolit tuff Srszentmikls. Riolit tuff Miocene million years Srszentmikls Biotit csillmos horzsakves sszeslt riolittufa gyulakeszi riolittufa formci milli miocn Srszentmiklsrl Photo by Szilas Szilas Commonist Rock samples of Hegyest Geolgiai Bemutathely Tuff samples Rhyolite samples Miocene volcanism