Acid Rock Drainage and Metal Leaching at the Proposed Pebble Mine
The entire mineral makeup of the rock, not just the copper or gold, determines . crushed or broken rock can turn the water acidic (low pH) or alkaline (high pH). . This process is called acid rock drainage or, because it occurs at many mining.
What is Alkaline Water and Why do I need it? . Mineral Pro
Apr 17, 2017 . Alkaline Water contains minerals such as Potassium, Calcium and Magnesium . The definition of PH is the measure of Acidity or Alkalinity of water . claim to make the water Alkaline through a process called electrolysis with.