Waste-rock dumps, geochemistry, acid-rock drainage, kimberlite tailings
483 documents · Page 12 of 25
A lecture on metal leaching and acid rock drainage prevention, mitigation, and reclamation strategies delivered by Ron Nicholson covering oxidation processes in sulphide minerals, disposal methods (underwater and engine…
This document is a Terms of Reference review with technical responses and recommendations from various regulatory agencies and stakeholders regarding BHP Diamonds Inc.'s proposed expansion of the Ekati Diamond Mine invo…
A five-day course outline on metal leaching and acid rock drainage assessment, prediction, and mitigation strategies for mining operations, delivered by North West Community College in August 2001. The course covers mat…
Glenda Ferris presents a framework for community engagement in mine development planning, emphasizing the need for transparent consultation on acid rock drainage risks, technical capacity building, and equitable inclusi…
BHP Diamonds Inc. submitted this supporting document to the Mackenzie Valley Land and Water Board for regulatory permits to develop three additional kimberlite pipes (Sable, Pigeon, and Beartooth) at the Ekati Diamond M…
Water quality monitoring data from Huckleberry Mines Ltd. (Ekati Diamond Mine) covering multiple sampling locations from 1997 to 2001, including physicochemical parameters, toxicity tests, and dissolved/total metal conc…
A presentation on metal leaching and acid rock drainage prevention, mitigation, and reclamation delivered by Ron Nicholson, covering monitoring approaches (classical and recent environmental effects monitoring), in-situ…
Presentation by Ron Nicholson on metal leaching and acid rock drainage prevention, mitigation, and reclamation, delivered at Northwest Community College in August 2001, introducing methodology for quantifying environmen…
This security review report evaluates the financial and environmental requirements for reclamation and long-term management of the closed Equity Silver Mine in British Columbia, calculating a net present value liability…
Chronology of regulatory correspondence and approvals (January 2001–August 2003) documenting the dewatering of Fox Lake at Ekati Diamond Mine, including water license amendments, management plan approvals, and disputes…
BHP Diamonds Inc. water surveillance program monthly report for May 2001 submitted to the Mackenzie Valley Land and Water Board in compliance with water licence N7L2-1616, containing water sampling results, flow and vol…
Sable, Pigeon and Beartooth (SPB) Binder 3 for the Ekati Diamond Mine BHP Billiton Diamonds Inc. development application (2001-2002). Includes regulatory-phase Tab 1: BHPB's reply to final written submissions on the SPB…
Huckleberry Mines Ltd. (Smithers BC) quarterly report to Wally Bergen, Regional Manager, Ministry of Energy and Mines, July 19 2001. Q2 2001 mill throughput 1,885 tonnes/day. Includes Acid-Base Accounting (ABA) data for…
BHP Diamonds Inc. newsletter (Issue 8, June 2001) announces the BHP-Billiton merger completion, reports on operational achievements including 90-day safety milestones and winter production performance, and highlights en…
BHP Diamonds Inc. newsletter for June 2001 reporting on the BHP-Billiton merger completion, operational achievements at Ekati including 90-day safety milestone and winter production success, recreational facility expans…
BHP Diamonds Inc. newsletter for June 2001 reporting on the merger of BHP and Billiton, operational achievements including 90-day lost time accident milestone, recreation facility expansions, university-supported enviro…
Komex International prepared a reclamation liability estimate for the Ekati Diamond Mine comparing current liability costs (approximately $50.8 million) with ultimate closure costs (approximately $136.4 million) across…
Komex International provides a comprehensive reclamation liability estimate for BHP Diamonds' Ekati Diamond Mine closure, detailing assumptions and cost models for decommissioning, contaminated site remediation, pit flo…
The Mackenzie Valley Land and Water Board responds to DIAND's concerns regarding Water License N7L2-1616 for BHP Diamonds Inc., addressing procedural issues with the Technical Advisory Committee policy and clarifying th…
Komex International Ltd. prepared a reclamation liability estimate for BHP Diamonds Inc.'s Ekati Diamond Mine using Monte Carlo Simulation methodology to calculate comprehensive closure and reclamation costs for 2001, 2…