Acid Run Off (514)

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Mine name Acid Run Off
State Colorado
County Gilpin
Mineral Gold/Silver
Author Wanty,R.B.
Ephemeral stream draining tailings from gold/silver mines of Quartz Hill, southwest of Central City. Typical pH values less than 3. Extremely high (ppm levels) of heavy metals such as iron, zinc, copper, uranium, and aluminum are common.  Gilpin County, Colorado. October 1992.
Caption Ephemeral stream draining tailings from gold/silver mines of Quartz Hill, southwest of Central City. Typical pH values less than 3. Extremely high (ppm levels) of heavy metals such as iron, zinc, copper, uranium, and aluminum are common. Gilpin County, Colorado. October 1992.