When the potassium feldspar phenocrysts in porphyriticporphyriticrocks, like in form, often with a plate, plate columnar euhedral crystals.
当钾长石在斑状、似斑状岩石中构成斑晶时，常呈板状、板柱状自形的晶体。
2
The holocrystalline porphyritic olivine basalts and pyroclastic rocks are the components of Pleistocene to recent volcanic activities.
完整的斑状斑状橄榄石玄武岩和火山碎屑岩是最近火山活动的更新世的组成部分。
3
The host rocks of the Mishuling intrusion consists of a grayish white porphyritic monzogranite-granodiorite-quartz diorite, in which mafic microgranular inclusions are well developed.