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Article: Naturally occurring metals in ground water.(Brief Article)
- Article from:
- National Driller
- Article date:
- June 1, 2002
- Author:
CopyrightCOPYRIGHT 2002 BNP Media. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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The occurrence of metals in ground water often is an unwelcome surprise -- both at sites of known contamination and in drinking water wells located far away from any known source of contamination. Almost all metals are present naturally at trace or very low levels in the subsurface formations throughout the world. Admittedly, these levels may be immeasurable at parts per billion, trillion, quadrillion, etc., but nevertheless, metals are likely to be present. Metals prefer to concentrate in certain environments favorable to their deposition. Some metals actually form minerals with fairly high concentrations, i.e., pyrite, galena, etc.
Clays are Mother Nature's ...