Tonstein

Specimen ID: 5UH-7PF

Mineral(s)
Locality
Mindat locality:
Dimensions
15cm x 12.5cm
Events

Photo added to mindat.org

Coal tonstein of Seam No. 243 (Horymír) of the Upper Silesian Basin. Only the lower intercalation contains volcanoclastic minerals and, therefore, could be considered as a coal tonstein. Upper intercalation is comon clay band containing just terrestrial material. Upper Carboniferous age (Serpukhovian stage). Collection of Geological pavilon of prof. F. Pošepný at VŠB-Technical University of Ostrava.
Jakub Jirásek - 2nd January 2020
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