Meet our latest ICARD 2022 Speakers

Ward Wilson

Producing Geochemical and Physical Stability in Mine Waste Deposits-The Big Picture: Case Studies in Commingling Part 1

G. Ward Wilson, PhD, PEng, PGeol, FCAE, FEIC, is a Professor of Geotechnical and Geoenvironmental Engineering at the University of Alberta and the NSERC/COSIA Industrial Research Chair (IRC) in Oil Sands Tailings Geotechnique. He brings over 30 years of industrial experience to his practice in advanced mine waste management and unsaturated soil mechanics.

David Blowes & David Wilson

Review: Reactive transport simulation for mine wastes

David Blowes is a Professor of Earth and Environmental Sciences at the University of Waterloo, where he holds the Canada Research Chair in Groundwater remediation. He is the Scientific Director of the NSERC-TERRE-NET research network focused on Environmentally Responsible Resource Extraction.

David Wilson is a Research Associate in the Department of Earth and Environmental Sciences at the University of Waterloo. His research focus is the use of reactive transport models for characterization and forecasting of the geochemical evolution of waste rock and mill tailings.

Click here to read more about the ICARD Speakers

Announcement of Short Courses

The ICARD 2022 Short Course Committee is organising a series of Short Courses to be run over the two days prior to the start of the conference program. Further information on costs for the short courses and how to register to attend virtually, will be provided soon. 

In the meantime, we are pleased to announce our first 3 confirmed short courses!

Integrated Mine Planning to Minimise AMD and Improve Mine Closure Outcomes

Organisers: RGS Environmental Consultants Pty Ltd; Deswik Mining Consultants (Australia) Pty Ltd and Geosystems Analysis Inc.

The objectives of the short course are to familiarize participants with current leading developments and practices in integrated mine planning and designing for closure that aim in part reduce the risk of AMD and improve mine closure outcomes for rehabilitation.

Session 1: Session 1 provides a strategic analysis of what integrated mine planning and designing for closure is at a corporate level, and what this means to the people working on smaller discrete technical packages of work that occur multiple time horizons such as waste rock and tailings storage facilities. Four case studies will be presented by Deswik and RGS to demonstrate how integrated planning and designing for closure can be applied to provide better technical, social, financial and closure outcomes. Two case studies are from mettalliferous mines in Queensland, one is from the a metaliferous mine in the Northern Territory and the fourth is a metalliferous mine in Central America.

Session 2:  Session 2 supports Session 1 and will describe mine material characterisation techniques and detail how the geochemical, physical, hydraulic and erosion properties of mine materials are acquired, interpreted and used to develop criteria for incorporation into geoenvironmental block models (GBM). Material balances are used to develop cover and final landform designs which are subsequently evaluated using (amongst others) unsaturated flow modelling, draindown modelling and hydrogeochemical water quality modelling. Some of the case studies in Session 1 will be re-visited to illustrate how the performance of final landforms can be assessed.

Session 2 also will look at physical and hydraulic mine material properties, water infiltration and how water moves through a final covered landform system.  Cover system design considerations will be presented and the application of numerical modeling techniques will be described and potential interaction of final landforms with surface and groundwater systems will be discussed. 

Integrated Mine Closure to Achieve Better Acid Mine Drainage (AMD) Outcomes Now and into the Future

Organiser: O'Kane Consultants

Mine closure doesn’t need to be a risk, and it shouldn’t be an afterthought. Future land use must be considered at the beginning of a mining project and integrated throughout the mine life cycle. By taking an integrated approach to mine planning and closure planning, AMD risks can be identified, and mitigation realized throughout operations.

In this short course, a panel of experts will advocate for integrated closure to achieve sustainable outcomes and provide guidance on ‘the how’ of integration. With a range of technical backgrounds, and experience operating at various mine sites, the panelists’ presentations will span a mine site’s organization - from operation to boardroom. They will include technical challenges for AMD risk identification, as well as challenges embedded in the ‘culture’ of the mining industry. They will share unique observations about the differences in perspective throughout the mine lifecycle (development to operations), and how to integrate consistent thought towards future land use.

The presentations, and live panel discussion will provide a strategic approach to achieving integration, using tools that are already standard practice in the industry. Participants will leave with a better understanding of AMD management risks and tools to identify and communicate opportunities throughout their own organizations.

Thermodynamic database implementation for hydrogeochemical numerical modeling with PHREEQC

Organiser: Water Services and Technologies (WST)

PHREEQC is a powerful tool for hydrogeochemical modeling. To be able to simulate reactions and scenarios that occurs at mining sites it is necessary the implementation of a mineralogical database that are already available in PHREEQC. However, there are mineral phases that contain chemical elements that can directly impact the prediction of future water quality in mine pits and tailings dams that are not inserted in those databases. Therefore, it is necessary to implement a site-specific database containing these mineralogical phases. Water Services and Technologies has faced these challenges in recent projects and to be able to solve them it has developed a protocol for the implementation of thermodynamic databases. To get the best out of the course, it is recommended that participants have basic knowledge about hydrogeochemical modeling using PHREEQC. The course will provide a brief overview of numerical geochemical modeling. However the focus will be the relevant aspects related to the thermodynamics of chemical reactions in the mining environment, procedures for calculating thermodynamics parameters and how to enter this data in PHREEQC step-by-step.
Short course will cover the following topics:
- Introduction to hydrogeochemistry-
- Hydrogeochemical processing in mine waters
- Numerical modeling
- Thermodynamic concepts
- Thermodynamic parameters applied to modeling and how they can affect the results
- Thermodynamic databases Challenges and limitations in database implementation


Take advantage of the early bird registration discount and register before 27 May 2022! 

Click here to view registration rates

ICARD 2022 Sponsorship Opportunities

There are lots of opportunities to promote your organisation in front of this key audience or talk to us about designing a package to suit you.

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