Szekessy Vilmos (szerk.): A Magyar Természettudományi Múzeum évkönyve 62. (Budapest 1970)

Szabó, I. ; Ravasz, Cs.: Investigation of the Middle Triassic volcanics of the Transdanubian Central Mountains, Hungary

26 35 30 25 20 /5 fO 5 Fig. 6. X-ray diffractographs. — T 150. Potash-trachylic tuif, altered, glauconilie; Örvényes Ágasmagas-hill exploratory shaft No. 1. — T 72!J. Potash-trachytie luff, altered; Pécsely bore hole No. 5. — T 604. Calcareous potash-traehytie tuff, altered; Paloznak exploratory trench. — Öh 5. Reddish tuffaceous dolomite (Kaolinitized); Veszprém-Várpalota highway road cut. — Technical data: Cu radiation with filter Ka/Ni, 2GkV, 36mA. (The diffractographs were made by the Hungarian Geological Institute, Budapest.)