| Type |
Metamorphic Rock |
| Texture |
Foliated; Medium- to coarse-grained |
| Composition |
Muscovite, Biotite, Quartz, Feldspar, Kyanite, and Garnet |
| Index Minerals |
Kyanite and Garnet |
| Color |
Medium silver gray to whitish |
| Miscellaneous |
Blue-gray kyanite blades on some foliation surfaces; medium- to large-sized red-brown garnets |
| Metamorphic Type |
Regional |
| Metamorphic Grade |
Middle Grade (Middle P – Middle T) |
| Parent Rock |
Shale, Mudstone, or Felsic Igneouss rocks |
| Metamorphic Environment |
Middle grade regional metamorphism along a convergent plate boundary |
