Detailed Analysis of Potential Environmental Impacts of Taconite Tailings Disposal in the Minorca Pit on Water Quality in the Missabe Mountain Pit: Final ReportMinnesota Department of Natural Resources, Division of Lands and Minerals, 2000 - Mineral industries - 83 pages |
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8-10 forest vegetation 8-10 grassy vegetation ankerite approximately arsenic concentrations arsenic levels associated with taconite Berndt and Lapakko Berndt et al Biwabik aquifer boron calculations chemical reactions clear water pool Deviation Range disposal of taconite drinking water quality EC levels elevated Established forest vegetation estimate exiting the pit field and laboratory flow-weighted average input fluoride concentrations fluoride levels forest vegetation 13 ground water outflow in-pit disposal Indeco Inland's tailings Jakel and Lapakko manganese concentrations manganese levels manganese oxidation Mesabi Iron Range mg/L Table minerals Minorca Pit clear Missabe Mountain Pit MN DNR molybdenum concentrations molybdenum levels nd nd Operational maximum 39 Operational measurements Pit are expected Pit clear water Pit waters plant discharges precipitation process water pyrite rhodochrosite seep siderite source term Standard reclamation 21 Summary taconite processing taconite tailings tailings basin tailings deposition tailings pore waters transport term ug/L vegetation 12 water chemistry water quality standard waters associated