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A Geochemical Characterization of a Cold-Water Acid Rock Drainage Stream Emanating From the Zinc-Lead XY-Deposit, Howard's Pass, Yukon Territory, Canada

Dates

Year
2011

Citation

Feige, Kristen B., 2011, A Geochemical Characterization of a Cold-Water Acid Rock Drainage Stream Emanating From the Zinc-Lead XY-Deposit, Howard's Pass, Yukon Territory, Canada: University of Ottawa.

Summary

An acid rock drainage (ARD) stream emanating from the Zn-Pb XY-deposit in the Yukon Territory was examined in order to evaluate the physico-chemical and geochemical processes governing the distribution of dissolved elements from the creek. The creek showed very high concentrations of metals (300 mg/L Fe, 500 mg/L Zn, 15 000 mu g/L Ni, 1300 mu g/L Cu and 4500 mu g/L Cd), low water temperatures (1 - 12 degree C) and was acidic to moderately acidic (pH 3.1 - 5.0). It was found that this stream experienced a strong seasonal evolution, with increased sulphate and metal concentrations and decreased pH over the course of the summer. The mineral precipitates that formed under low pH conditions were a mixture of schwertmannite, goethite, jarosite [...]

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End Note
Reference Item
3397 record import test
Reference File
NWBLCC-20160406.xml

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