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2011-01-24_PERMIT FILE - M2011007 (9)
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2011-01-24_PERMIT FILE - M2011007 (9)
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Last modified
8/24/2016 4:29:20 PM
Creation date
1/25/2011 8:10:18 AM
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Template:
DRMS Permit Index
Permit No
M2011007
IBM Index Class Name
PERMIT FILE
Doc Date
1/24/2011
Doc Name
New 110d Appl.- Water Handbook for Metal Mining Operations.
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Venture Resources
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DRMS
Media Type
D
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29 <br /> the base metals and in the case of Na and K there appears to <br /> be no variation. The concentration ranges of the major <br /> metals in ground water samples taken from the Central City <br /> District show the same tight spread. It was found that <br /> these concentrations of Na, K, Dig, and Ca correlate well <br /> with the abundances of these elements in the wall rocks which <br /> are normally found along faults and veins in the Central <br /> City District (3). This suggests the relative amounts of <br /> these major metals in the water is a reflection of the compo- <br /> sition of the more important rock units in the mining dis- <br /> trict and the way in which these rocks weather. <br /> In summary, they are two sources for the chemical con- <br /> stituents in a mine effluent. The base metals and S04 <br /> are derived from the vein minerals and the abundance of py- <br /> rite in the veins is important in controlling the levels.of <br /> these metals in the mine effluent. The source of the major <br /> metals is the wall rock and the composition of the host rock <br /> determines the abundances of these constituents in the mine <br />drainage. <br />GROUND WATER HYDROLOGY VS. WATER QUALITY <br />Describing the mechanisms for ground water recharge <br />can become quite complex and relating this to water chemistry <br />adds another dimension to the difficulty. However, studies <br />in Pennsylvania on the water chemistry of springs issuing <br />from carbonate terrains have generated two simple models <br />for ground water systems and these can be treated as end <br />members for all recharge systems (28, 29). The two aquifer <br />0
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