ACID MINE DRAINAGE

Domain	Definition
Environment	Drainage of water from areas that have been mined for coal or other mineral ores. The water has a low pH because of its contact with sulfur-bearing material and is harmful to aquatic organisms. (references)
Mining	A. Acidic drainage from bituminous coal mines containing a high concentration of acidic sulfates, esp. ferrous sulfate. See also:acid water b. Drainage with a pH of 2.0 to 4.5 from mines and mine wastes. It results from the oxidation of sulfides exposed during mining, which produces sulfuric acid and sulfate salts. The acid dissolves minerals in the rocks,further degrading the quality of the drainage water. (references)
Source: compiled by the editor from various references; see credits.

Photo Album: ACID MINE DRAINAGE

Thumbnail	Description & Credit	Thumbnail	Description & Credit
	Blackbird Creek, at the mine site. This creek is devoid of life because of the high levels of copper leached from the mine. Contamination is from acid mine drainage containing high levels of copper. Credit: NOAA Restoration Center.		An acid mine drainage (AMD) treatment plant at Iron Mountain Mine, sludge containment. Credit: NOAA Restoration Center.
	Part of the collection system for acid mine drainage. Credit: NOAA Restoration Center.		Acid mine drainage coming from the top of Iron Mountain Mine. Credit: NOAA Restoration Center.
Source: pictures compiled by the editor from various references; see picture credits.

Frequency of Internet Keywords: ACID MINE DRAINAGE

The following statistics estimate the number of searches per day across the major English-language search engines as identified by various trade publications. Hyperlinks lead to commercial use of the expression at Amazon.com.

Anagrams: ACID MINE DRAINAGE

Scrabble® Enable2K-Verified Anagrams
	Words within the letters "a-a-a-c-d-d-e-e-g-i-i-i-m-n-n-r"
	-5 letters: niacinamide, redemanding.
Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro.