Biotite hornfels 
Hornfels is a fine-grained contact metamorphosed rock. The layers of biotite in this sample probably respresent original sedimentary bedding.
UNC sample
H-186
Rock type
biotite hornfels
Locality
unknown
Biotite hornfels Hornfels is a fine-grained contact metamorphosed rock. The layers of biotite in this sample probably respresent original sedimentary bedding. |
UNC sample H-186 | |
Rock type biotite hornfels | ||
Locality unknown | ||
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