View of Historic Illinois Creek mine
Detailed Description
Historic Illinois Creek mine produced gold and silver in the 1990’s sits within a broader Pb-Zn-Ag carbonate replacement and porphyry Cu district. The relationship between the various styles of mineralization remains uncertain. This district exemplifies the complexity and needs to characterize mineral resources and the framework geology.
Sources/Usage
Public Domain.
Photographer: Douglas C. Kreiner/U.S. Geological Survey