Photomicrographs of igneous xenolith textures: (a) plagioclase-free pyroxene hornblendite (PSV3, PPL-plain polarised light); (b) prismatic hornblende and sieve-textured plagioclase in mela pyroxene–hornblende gabbro (PSV20, PPL); (c) sector-zoned clinopyroxene and hornblende oikocryst with plagioclase chadacrysts in pyroxene–hornblende gabbro (PSV19, PPL); (d) foliated pyroxene–hornblende gabbro showing uralitization of clinopyroxene to hornblende and formation of euhedral hornblende (PSV11, PPL); (e) hornblende-free dolerite with euhedral clinopyroxene and sieve-textured plagioclase (PSV13, PPL); (f) lava with phenocrysts of partial iddingsitized olivine, zoned clinopyroxene and plagioclase (PSVL1b, XPL- cross-polarised light).