REGIONAL |
CONTACT |

gneiss
rock composed of light and dark bands of
minerals.
|
anthracite
metamorphosed coal |

garnet schist
a metamorphic rock characterized by coarse-grained minerals
oriented approximately parallel. |

marble
metamorphosed limestone |
phyllite
a foliated metamorphic rock between slate and schist in
texture
|
metaconglomerate
metamorphosed conglomerate
|

slate
a foliated metamorphic rock of extremely fine grain which
splits into very flat, smooth surfaces |

quartzite
metamorphosed sandstone |