Wanna have some fun? Gather some geologists around a sample that might be phyllite or might be schist and watch them go.
Phyllite is a protolith of schist.
Rock group | Metamorphic |
Metamorphism type | Regional |
Metamorphic rock class | Pelitic Marl |
Protolith | Slate |
Phyllite in Hand Sample
Archean-aged phyllite from Ontario
Crossbedding preserved in phyllite
Phyllite ft. pyrite
Phyllite in Thin Section
Chlorite-rich phyllite, plane polars
Chlorite-rich phyllite, crossed polars
![](http://blogs.nvcc.edu/mineralogy/files/2018/10/50HD0038-1024x768.jpg)
![](http://blogs.nvcc.edu/mineralogy/files/2018/10/50HD0040-1024x768.jpg)