2009-09-25_PERMIT FILE - M2009076 ‎(45)‎

• Permit No: M2009076
• IBM Index Class Name: PERMIT FILE
• Doc Date: 9/25/2009
• Doc Name: A Water Handbook for Metal Mining Operations
• From: Venture Resources
• To: DRMS
• Media Type: D
• Archive: No

37
• Table S. Ranges in Concentrations of the Major Elements
and Base Metals in Mine Drainages from Three
Mining Districts in the Front Range Mineral Belt
of Colorado. Pb and Cd concentrations are in
ug/l; all others are in mg/1.
Georgetown- Boulder
Silver Plume Tungsten Gold Hill
pH 4.4 - 7.2 5.6 - 6.7 5.5 - 7.8
Fe 0.4 - 117 0.4 - 1.7 0.4 - 4.0
Mn 0.03-3 0.03-0.4 0.03-0.38
Zn 0.1 - 70 0.03-0.09 0.08-0.9
Cu 0.1 0.2 0.5
Cd1 1.1 - 6.4 0.5 0.5
Pbl 1 - 8.5 1 1
Na 8.3 - 12.5 3 - 13 11 - 20
K 2.9 - 5.5 0.7 - 4.5 1.6 - 5.3
Mg 60 - 280 30 - 62 31 - 165
Ca 65 - 120 24 - 80 55 - 210
1Concentrations in ug/1.
0