Depositing Processed Kimberlite in Pits and Underground - EA1819-01

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Diavik proposes to store processed kimberlite, a mine waste, in the mined-out open pits and underground workings. Diavik plans to place mine waste in the pits from 2021 until mine closure in 2025. Diavik will place a minimum 40 m fresh water cap on top of the mine waste in the pits. Post-closure, once water quality is acceptable, Diavik will breach the dikes and reconnect the water in the open pits with Lac de Gras.  


CompanyDiavik Diamond Mines Inc.
TypeEnvironmental Assessment - Complete
StatusMinisters' decision has been received
ContactMark Cliffe-Phillips

Document Summary

024Preliminary screening
021Assessment/review startup
03Terms of Reference and workplans
00Developer's Assessment Report/Environmental Impact Statement
028Information requests
00Technical or community sessions
025Technical reports
056Public hearings
026Hearing follow-up
02Report of Environmental Assessment/Impact Review
027Post Report materials
012Minister's decision and final measures (current stage)
00Other public registry materials
0240Total Documents (See all)