Kaszab Zoltán (szerk.): A Magyar Természettudományi Múzeum évkönyve 76. (Budapest 1984)

Embey-Isztin, A.: Texture types and their relative frequencies in ultramafic and mafic xenoliths from Hungarian alkali basaltic rocks

Szigliget Examination of 88 sectioned nodules from this locality clearly shows that most of them represent two distinct texture types: a coarser-grained type (31%) and a finer grained type (57%). The coarser-grained texture type inclusions generally do not fit in any of the known texture classes but are transitional between the protogranular and porphyroclastic textures of MERCIER & NICOLAS (1975) or between the coarse and porphyroclastic types of HARTE (1977) as well as the allotriomorphic-granular and porphyroclastic textures of NIELSON PIKE & SCHWARZMAN (1977). There are inclusions that stay nearer to the protogranular Fig. 2. Textures of three Szigliget and one Gérce peridotite xenoiith. For explanation see the text