Waste Rock

Waste-rock dumps, geochemistry, acid-rock drainage, kimberlite tailings

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A Review of the Environmental Effects of Diamond Mining, Chapter 3: Description of Mining Activities (BHP Billiton, 1995)
~1995Report
Approximate date — inferred from filename
This technical chapter describes diamond mining activities worldwide, including exploration methods, ore extraction techniques (alluvial, open pit, and underground mining), mineral processing, tailings disposal, water and energy management, mine infrastructure requirements, and reclamation practices relevant to assessing environmental impacts of diamond mining operations.
Exploration Development Plans Waste Rock Wastewater Water Quality
Environmental Effects of Diamond Mining, Chapter 1: Introduction (A. Sobole, 1995)
~1995Report
Approximate date — inferred from filename
An introductory chapter reviewing the global diamond mining industry, geological conditions favorable for diamond mining in Canada (particularly the Northwest Territories), and the need to evaluate potential environmental impacts of diamond mining in the Arctic due to ecosystem sensitivity and slow recovery rates.
Exploration Development Plans Waste Rock Wildlife Closure & Reclamation
A Review of the Environmental Effects of Diamond Mining, References (BHP Billiton, 1995)
~1995Report
Approximate date — inferred from filename
A comprehensive bibliography of references cited in a technical document on diamond mining operations and environmental effects, covering diamond mine case studies globally, aquatic ecosystem impacts, sediment effects on fish populations, water quality criteria, and mining operations in Arctic and other regions.
Aquatics Water Quality Benthic Invertebrates Waste Rock Monitoring
A Review of the Environmental Effects of Diamond Mining, Chapter 2, Methods (BHP Billiton, 1995)
~1995Report
Approximate date — inferred from filename
This document describes the methodological approach used to conduct a comprehensive literature review of the environmental effects of diamond mining worldwide, including strategies for acquiring both published information from 17 bibliographic databases and unpublished information through interviews and Internet forums.
Monitoring Water Quality Air Quality Closure & Reclamation Wildlife
Final Guidelines for the Preparation of an Environmental Impact Statement, BHP Diamonds Project (Federal Environmental Assessment Review Panel, May 1995)
1 May 1995Report
Final guidelines issued by the Federal Environmental Assessment Review Panel in May 1995 for the preparation of an Environmental Impact Statement (EIS) by BHP Diamonds Inc. and Blackwater Group for the proposed Northwest Territories Diamonds Project. The guidelines specify requirements for describing the project, existing environment, impact assessment, mitigation measures, and consultation with aboriginal peoples and the public.
Development Plans Traditional Knowledge Regulatory Waste Rock
Submission on the Draft Environmental Impact Statement Guidelines, BHP Diamonds Inc. Diamond Project (NWT Chamber of Mines, April 1995)
11 April 1995Regulatory Filing
The NWT Chamber of Mines submitted formal comments on the draft Environmental Impact Statement Guidelines for the BHP Diamonds project at Lac de Gras, arguing that assessment requirements should reflect actual mining impacts, be coordinated with existing regulatory processes, and avoid premature speculation on matters better addressed during licensing stages.
Development Plans Environmental Agreement Traditional Knowledge Water Quality Waste Rock Wildlife
Submission on Draft Environmental Impact Statement Guidelines, BHP Diamonds Project, Lac de Gras (NWT Chamber of Mines, April 1995)
11 April 1995Presentation
The NWT Chamber of Mines submits detailed comments on the draft Environmental Impact Statement guidelines for the BHP Diamonds project at Lac de Gras, advocating for a streamlined review process and objecting to requirements they view as premature, speculative, or better suited to the licensing stage rather than environmental assessment.
Development Plans Regulatory Correspondence Waste Rock
Scoping Recommendations & Draft EIS Guidelines, BHP Diamond Mine (DFO, April 1995)
11 April 1995Regulatory Filing
Department of Fisheries and Oceans submitted information requirements and guidelines for assessing the environmental impacts of BHP Diamonds Inc.'s proposed diamond mine in the Lac de Gras area on fish and fish habitat, covering baseline studies, impact assessment, mitigation, and cumulative effects as part of the federal environmental assessment review process.
Fish Habitat Aquatics Water Quality Waste Rock
Intervention Paper to the BHP Diamond Mine Environmental Assessment Panel (NWT Chamber of Commerce, April 1995)
5 April 1995Regulatory Filing
The NWT Chamber of Commerce presents an intervention supporting the BHP Diamond Project as a responsible development opportunity for the Northwest Territories, provided that environmental safeguards, northern employment priorities, social planning, and timely assessment processes are implemented. The submission outlines concerns and recommendations regarding project timelines, job creation, social impacts, environmental monitoring, water management, and governmental oversight.
Development Plans Correspondence Closure & Reclamation Water Quality
Submission to the Panel Reviewing Environmental Effects of the Proposed BHP Diamond Mine at Lac de Gras (NWT Barren Ground Caribou Outfitters Association, April 1995)
~1995Regulatory Filing
Approximate date — inferred from filename
The NWT Barren Ground Caribou Outfitters Association, presented by Jim Peterson, submitted comments to the environmental review panel regarding the proposed BHP diamond mine at Lac de Gras. The submission details concerns about project impacts on caribou herds, fish and wildlife populations, wilderness ecosystem integrity, and the viability of the outfitting tourism industry, while recommending rigorous impact assessment methodologies, monitoring programs, and regulatory protections for tourism operators.
Wildlife Caribou Development Plans Waste Rock
Comments on the BHP-DiaMet EIS Guidelines (NWT Enviro Watch, April 1995)
1995Regulatory Filing
Submission SCP-050 — NWT Enviro Watch (Yellowknife, April 11 1995) to John Mathers, Panel Manager, BHP Diamond Mine Panel, faxed via FEARO Vancouver. NWT Enviro Watch comments on the BHP-DiaMet EIS Guidelines (similar to the April 11-12 1995 NWT Enviro Watch submission in batch 5). Includes News/North (April 10 1995, page A21) news clipping context.
Development Plans Regulatory Correspondence Air Quality Water Quality
Comments on BHP Diamond Mine EIS Guidelines Scoping (NWT Enviro Watch, April 1995)
1995Regulatory Filing
NWT Enviro Watch comments to John Mathers, Panel Manager, BHP Diamond Mine Panel (April 11-12 1995, faxed via FEARO Vancouver). Provides organization comments on the BHP / DiaMet project description and EIS Guidelines, including BHP Mineral's DMS plant daily tonnage milled plot (1994-1995 Panda/Misery/Koala/Fox underground production projections — Leslie 1995 reference), citation of Canada Gazette Part II Vol 127 No 13 SOR/DORS/93-303 (Schedule V Licensing Criteria, Sections 5 and 8 — placer claims and waste disposal), and Misery Lake Pit tonnage curves.
Development Plans Regulatory Correspondence Air Quality Waste Rock
Scoping of Issues for the Proposed BHP Diamond Mine, Lac de Gras, NWT (Environment Canada, March 1995)
30 March 1995Regulatory Filing
Environment Canada's scoping submission to the BHP Diamond Mine Environmental Assessment Panel identifying key environmental issues to be addressed in the Environmental Impact Statement for the proposed diamond mine at Lac de Gras, NWT. The document outlines Environment Canada's mandate, roles, and responsibilities, then details 23 specific environmental issues across general project, development plan, and environmental design categories.
Development Plans Regulatory Waste Rock
Scoping of Issues for the Proposed BHP Diamond Mine, Lac de Gras (Environment Canada, March 1995)
30 March 1995Regulatory Filing
Environment Canada's scoping submission to the BHP Diamond Mine Environmental Assessment Panel identifying critical environmental issues to be addressed in the Environmental Impact Statement for the proposed diamond mine at Lac de Gras, NWT. The submission outlines Environment Canada's mandate, role, and provides detailed recommendations across general project, development plan, and environmental design categories.
Development Plans Regulatory Water Quality
Review of the Draft Guidelines for the Preparation of an EIS on BHP Diamonds Inc.'s NWT Diamonds Project (Natural Resources Canada, March 1995)
29 March 1995Regulatory Filing
Natural Resources Canada submits detailed comments on the Draft Guidelines for the Environmental Impact Statement for BHP Diamonds Inc.'s proposed NWT Diamonds Project, addressing earth science, geotechnical, explosives, and federal policy issues relevant to the project's design, construction, operations, and environmental mitigation.
Development Plans Regulatory Correspondence Closure & Reclamation
NWT Diamonds Project Scoping Presentation, Response to Draft EIS Guidelines (BHP Billiton, March 1995)
10 March 1995Report
This NWT Diamonds Project overview document presents BHP Diamonds Inc.'s proposed diamond mine development at Lac de Gras, including site layouts for multiple phases (1997-2006), environmental assessment schedules, and detailed responses to key project issues including water quality, caribou impacts, grizzly bear management, and employment/training initiatives. The document demonstrates project feasibility with onsite power generation and existing winter road access, while addressing concerns about cumulative effects, traditional knowledge incorporation, and mitigation strategies for wildlife disturbance.
Development Plans Water Quality Wildlife
Review of Draft Guidelines for the Preparation of an Environmental Impact Statement (EIS), BHP NWT Diamonds Project (Natural Resources Canada, March 1995)
1995Report
Review of the Draft Guidelines for the Preparation of an EIS on BHP Diamonds Inc.'s NWT Diamonds Project, prepared by CANMET (Canada Centre for Mineral and Energy Technology, Natural Resources Canada / Ressources naturelles Canada, Ottawa K1A 0E4), March 31 – April 19 1995. Comments on EIS organization, Panel role in identifying and prioritizing issues, division of responsibility between administering agencies and the Proponent for permits/approvals, and probabilistic uncertainty in extrapolating 1000-year maxima from only 65 years of regional data (1930-1995).
Development Plans Regulatory Correspondence Waste Rock Water Quality
Application Package for Submittal to the Canadian Coast Guard, NWT Diamonds Project (BHP Billiton, January 1995)
5 January 1995Regulatory Filing
BHP Diamonds Inc. submits an application package to the Canadian Coast Guard under the Navigable Waters Protection Act for the proposed NWT Diamonds Project, a 25-year diamond mining operation near Lac de Gras in the Northwest Territories. The application includes detailed technical summaries of all works affecting navigable waters, including water intake systems, diversion channels, lake dewatering procedures, tailings disposal in Long Lake with perimeter dams, discharge systems, and fisheries compensation measures.
Regulatory Development Plans Water Quality Waste Rock Wastewater
Submission to the BHP Environmental Assessment and Research Panel (EARP) Scoping Session (NWT Chamber of Mines, 1995)
~1995Presentation
Approximate date — inferred from filename
Speaking notes from Tom Hoefer of the NWT Chamber of Mines presenting the organization's submission to the BHP Ekati Diamond Mine Environmental Assessment and Research Panel scoping session, addressing the chamber's support for the project and specific concerns with the draft Environmental Impact Statement guidelines.
Development Plans Regulatory Correspondence Waste Rock
Presentation Notes to the BHP Diamond Mine Scoping Committee (Mike Beauregard, 1995)
~1995Presentation
Approximate date — inferred from filename
Mike Beauregard presents scoping comments to the BHP Diamond Mine Environmental Review Panel, comparing the proposed operation's scale to Pine Point, advocating for health and safety protocols (dust and water control), and raising concerns about the ten-fold increase in winter road traffic and associated socio-environmental impacts.
Development Plans Correspondence Air Quality Regulatory

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