GC-406 Limestone
GC-108 Green quartzite
GC-503 Quartzite
GC-104CL Quartzite
GC-105CL Quartzite
GC-106M Quartzite
GC-305M Marble
GC-102M Quartzite
GC-206M Sandstone
GC-104 Ferruginous
GC-020B Rusty slate
GC-020B-LC
GC-102CL Quartzite
GC-602 Slate
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