Keyword "ALKALINE VOLCANICS" in:

Melanite Ti-garnets of the North-Bohemian Cenozoic volcanics
Fediuková,E., Fediuk,F., volume 43, 2010 (GRR for 2009), pages 202–206
pdf (0.24 MB)

Petrographic investigation of Tertiary volcanics on map sheet 02-224 Varnsdorf and 02-242 Dolní Podluží, northern Bohemia
Fediuk,F., volume 33, 2000 (GRR for 1999), pages 22–24
pdf (0.14 MB)

Hyalophane in Czech phonolites
Fediuk,F., Fediuková,E., volume 30, 1997 (GRR for 1996), pages 145–146
pdf (0.21 MB)