Rock Name
Preview
![image preview](https://ecommons.udayton.edu/geo_metamorphic/1007/preview.jpg)
Color
Green, Gray, Black
Texture
Non-foliated
Composition
Varies, tend to more easily view biotite mica
COinS
Green, Gray, Black
Non-foliated
Varies, tend to more easily view biotite mica
Comments
A result of contact metamorphism