Ore controlContact Between Granite And Andesite, E.-W. Trending
Materials
Ore mineralsChrysocolla, Silver
Geology
Host rockGranite
Associated rockVolcanic Rock (Aphanitic),Andesite · Oracle Granite Of Peterson
StructureE-W Fractures, With Minor Nw Striking Faults, Ew Fault 1/4 Mile South Of Mine, E-W Fracture Zone And, Contact Nw Fault Directly E Of Mine, Up Thrown Side Is To Ne. Oracle Granite On North Side Of Contact, North Of Mine