Mineralized staining on the wall in the Campbell Mine. The green color of the staining indicates it may be malachite and the blue color may be chrysocolla. The writing on the image indicates it is post mining minerals and are iron sulfates.
Mines Underground Minerals Mineralized Stain Staining Post mining Iron sulfates Campbell Shaft Bakerville May 1973 1970s
Kresan, Peter
May
2014.26.58