P
▪ paraconformity ▪ pegmatite dike ▪ peridotite ▪ phacoliths ▪ phaneritic texture ▪ phenocryst ▪ phyllitic texture ▪ plunge, plunge direction (fold) ▪ pluton, plutonic ▪ porphyritic texture ▪ porphyry ▪
Definitions and images to illustrate geological terms, links to images and website articles