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Structural-environmental Characteristics of Tailings Ponds.

Authors
Kealy-CD; Williams-RE; Mink-LL
Source
Proc AIME Mtg San Francisco California 1972 Feb; :173-189
Link
NIOSHTIC No.
10010476
Abstract
Ground-water pollution in one portion of the Coeur d'Alene Mining District results from leaching of old jig tailings that are intermixed with the upper part of a sand and gravel aquifer. High concentrations of zinc, lead, and cadmium occur in ground water and soil samples taken from the portion of the sand and gravel aquifer containing the old jig tailings. Analysis of water samples from a tailings pond located in this area indicates that the pond water is not the source of the heavy metal concentrations found in the down- gradient ground water. However, leakage from the pond and water from the pond's decant system combine with natural ground water to compound the problem by raising the water table into old jig tailings which cover the upper portion of the aquifer. The ground water which discharges from this aquifer causes a statistically significant decrease in the quality of the receiving stream water.
Publication Date
19720201
Document Type
OP;
Fiscal Year
1972
NTIS Accession No.
NTIS Price
Identifying No.
OP 155-72
Source Name
Proc. AIME Mtg., San Francisco, California, Feb. 21-23, 1972, October, 1972, PP. 173-189
State
CA;
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