GC-102S Quartzite
GC-014S Slate
GC-020S Slate
GC-101S Quartzite
GC-103S Quartzite
GC-103BS Quartzite
GC-104S Quartzite
GC-105S Quartzite
GC-018S Slate
GC-106S Quartzite
GC-110S Quartzite
GC-115S Quartzite
GC-020BS Rusty slate
GC-020YS Rusty slate
GC-117S Quartzite
GC-119S Quartzite
GC-121S Quartzite
GC-201S Sand slate
GC-206S Sand slate
GC-302S Marble
GC-407S Volcanic rock
GC-102LS Quartzite
GC-105LS Quartzite