Waste-rock dumps, geochemistry, acid-rock drainage, kimberlite tailings
483 documents · Page 22 of 25
This comprehensive tailings management plan prepared by EBA Engineering Consultants for BHP Diamonds describes the disposal strategy for 133 million tonnes of kimberlite tailings over 25 years of mine operation at the N…
This 1995 baseline study by BHP Diamonds Inc. predicts dissolved metal concentrations in waste rock drainage from the NWT Diamonds Project using static and kinetic geochemical tests. The study forecasts that most waste…
This technical report documents baseline information on eskers in the NWT Diamonds Project area, including their geologic features, physical effects of exploration activities, biological importance to wildlife (caribou,…
This preliminary design report documents the planned sedimentation pond systems for four kimberlite pit mines (Panda/Koala, Misery, Fox, and Leslie) at the NWT Diamonds Project. The ponds are designed to impound turbid…
This document responds to a regulatory panel request for baseline information on permafrost conditions at the BHP Diamonds (Ekati) project. It describes existing permafrost data collected since 1993 through boreholes, t…
Kimberlite Studies binder for the Ekati Diamond Mine (1998-2004). Includes Ian Goodwin (BHPB) distribution of the 2003 Wildlife Effects Monitoring Program (WEMP) Draft Report and "Aquatic Toxicity Associated with Diamon…
This independent toxicity assessment evaluates the lethal and sub-lethal effects of kimberlite effluents from diamond exploration activities in the Lac de Gras region on freshwater fish species (lake whitefish, lake tro…
Health Canada's review of BHP's Environmental Impact Statement for a diamond mining project, providing comments on conformity with EIS guidelines and identifying deficiencies regarding radiological hazards, particularly…
The Government of the Northwest Territories submitted a conformity report evaluating BHP's Environmental Impact Statement for the NWT Diamonds Project against the May 1995 EIS Guidelines, identifying major and minor def…
Environment Canada provides a detailed technical evaluation of BHP's Environmental Impact Statement for the proposed diamond mine at Lac de Gras, identifying significant deficiencies in environmental assessment and reco…
DIAND's Conformity and Quality Analysis of BHP Diamonds Inc.'s Environmental Impact Statement for the proposed NWT Diamonds Project, submitted July 23, 1995. The analysis concludes that while the EIS substantially addre…
Environment Canada's technical evaluation of the BHP NWT Diamond Project Environmental Impact Statement for the proposed Lac de Gras diamond mine identifies numerous deficiencies and recommends areas requiring supplemen…
The Department of Fisheries and Oceans provides a conformity analysis and technical review of the Environmental Impact Statement for BHP Diamonds Inc.'s proposed NWT Diamonds Project in the Lac de Gras area. DFO identif…
The Department of Fisheries and Oceans provides a conformity analysis and technical review of BHP Diamonds Inc.'s Environmental Impact Statement for the proposed NWT Diamonds Project in the Lac de Gras area, identifying…
Natural Resources Canada's conformity review of BHP Diamonds Inc.'s Environmental Impact Statement for the proposed NWT Diamonds Project, identifying deficiencies primarily related to permafrost and ground ice effects o…
Natural Resources Canada's conformity review of the Environmental Impact Statement for BHP Diamonds Inc.'s NWT Diamonds Project identifies partial conformity to guidelines, with deficiencies primarily related to permafr…
The City of Yellowknife submits comments on the BHP Environmental Impact Statement regarding the proposed diamond mine project, expressing concerns about incomplete analyses of population growth, employment patterns, in…
City of Yellowknife provides comments on the BHP Environmental Impact Statement for the proposed Ekati Diamond Mine, identifying concerns about labour patterns, population growth analysis, accommodation capacity, closur…
This geotechnical report characterizes the properties of New Fox and Panda kimberlite tailings from a proposed diamond mine in the Northwest Territories, including solids content, grain size distribution, consolidation…
DIAND's conformity and quality analysis of BHP Diamonds Inc.'s Environmental Impact Statement for the proposed NWT Diamonds Project, submitted July 1995, concluding that while the EIS substantially addresses guideline i…