New page: '''Phyllite''' is a metamorphic rock. Slate is crystalline on a microscopic scale and metamorphoses into Phyllite. When Phyllite undergoes further heat and pressure, it can metam...
'''Phyllite''' is a [[metamorphic rock]]. [[Slate]] is crystalline on a microscopic scale and metamorphoses into Phyllite.
When Phyllite undergoes further heat and pressure, it can metamorphose into [[schist]].