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By Navid Bahrani

Overview ? Case history of footwall slab failure ? Procedure used to build a finite element model ?? Pre- and post- mining topography ?? Slab geometry ?? Excavation stages ?? Input parameters ? Finite element modelling results ?? Unloading-induced displacements (magnitudes & directions) ?? Calibration of overall model using measured prism displacements ?? Shear stresses and displacements along the base of slab ?? Factors of safety at different stages ?? Effectiveness of rock bolts ?? Staged or unstaged model? ? Conclusion

May 1, 2008

By Ertugrul Alp

Alp & Associates - Who We Are ?? Canadian consulting company (1999-?) ?? Principal Consultant: Dr. Ertugrul Alp, P.Eng. ?? Over twenty-five years experience serving the chemical, mining, pulp & paper, energy, steel, and transportation industries, and government clients. ?? Ph.D. in Mechanical Engineering, University of Waterloo ?? Experience: ?? Westinghouse Canada, Atomic Power Division, Manager, Analysis and Modelling ?? Concord Environmental (later Bovar Environmental), Principal, Manager, Air Quality and Risk Assessment ?? Arthur D. Little, Associate Director, Safety & Risk Practice Leader in Canada ?? Member: NATO CCMS Pilot Project on Disaster Preparedness (1991-1993) ?? Chair: MIACC Risk Assessment Expert Committee, 1995-1999 ?? Member: MIACC Committees on Land Use Planning and Pipelines (1993-1998) ?? Member: CSA/Q850 Risk Management Standard Technical Committee ?? Member: CSA/Z1002 OHS Risk Assessment Standard Technical Committee ?? Member: CCPA/CSChE Process Safety Management Committee (1999-?) ?? Member: ISO-31000 Risk Management Standard Canadian Advisory Committee ?? Chair: CSChE Process Safety Management Committee (2005-2006) ?? Chair: CSChE Expert Committee on Risk Assessment (1999-2005) ?? CSChE 2007 Process Safety Management Award

May 1, 2008

By Greg M. Hollyer

The search for minerals in the future will be dominated by deeper exploration and the need to accurately target ?blind? deposits as more and more of the ?easy? near surface targets are exhausted. In this context, key technologies are emerging for deep exploration both in grassroots and minesite exploration, including the Titan 24 Deep Penetrating geophysical technology. Introduced in 2001, this technology has grown rapidly into an accepted approach for exploration in a variety of geologic environments, including brownfield environments where discovering additional reserves would most quickly benefit companies. Titan 24 belongs to a new class of sophisticated Distributed Acquisition Systems (DAS) which record high-volume, high-quality data simultaneously at multiple receiver stations. This data is then processed digitally, modeled using specialized inverse modeling software, and interpreted according to geologic and other parameters. The result is a robust, high-quality, high-volume data sets which provide a basis for improved imaging to depth. In this paper, the Titan 24 distributed technology is discussed. Illustrations of the vast improvement to overall exploration are showcased through results in several case studies. These include examples from two gold deposits, a porphyry deposit and a minesite. These examples show the range of applicability of the technology and the ability to effectively image mineralization, lithology, structure and alteration to depth as an aid to understanding prospective mineral deposits and targeting drills more accurately.

May 1, 2008

By Dianne M. Lapierre

Mining firms in Canada are increasingly incorporating the social and environmental interests of their stakeholders into their projects in an effort to become more sustainable. Such initiatives have included negotiating Impact and Benefit Agreements (IBAs) directly with would-be impacted, often aboriginal, communities near resource developments in the Canadian north. Why does a mining firm take on this extra time-and cost-intensive initiative when governments and regulatory measures are in place to address social and environmental issues? Past research has paid little attention to the corporate rationales for IBAs. Based on document review and interviews with mining executives, this study investigates the rationales of mining firms that ?over-comply? with legislative requirements by negotiating IBAs or similar types of agreements with communities. The results indicate that mining firms increasingly recognize IBAs as an intrinsic part of the permitting process. When queried, executives regularly identified the negotiation of agreements as ?the right thing to do?. While this response could be read in ethical terms, a commercial rationale is also clearly present. By building strong relationships with nearby communities, addressing community concerns, and directing benefits to local people, all of which are explicitly achieved with an IBA, mining firms are maintaining their long-term financial viability, thus their sustainability, within an evolving industry.

May 1, 2008

By Michael DeLallo

Clean Coal Technology (CCT) ?Technologies designed to enhance both the efficiency and the environmental acceptability of coal extraction, preparation and use?. These technologies reduce emissions, reduce wastes, and increase the amount of energy gained form each ton of coal extracted and converted into energy. ?? Carbon Capture and Sequestration are an integral part of CCT either as constructed or on a future retrofit basis.

May 1, 2008

By Jessica Barber

Problem ? Mining operations consistently need equipment that is available, and able to perform to its maximum potential ? The most difficult part of a Maintenance Manager?s job is often a lack of knowledge on how long their equipment has to last ? The short term view can lead to interim fixes that accumulate into larger problems ? It is always difficult to justify major overhauls and upgrades when there is pressure to meet mine plan production targets

May 1, 2008

By Jr. Arcand

Canadian Economy ? Getting Results ???? A stronger Canadian economy ???? National debt cut ???? Taxes reduced, tax-free savings account, support for manufacturing sector ???? Assisting with infrastructure Aboriginal issues affect all Canadians ???? Aboriginal prosperity is in everyone?s interest ???? Conditions for Aboriginal success include: - Indian residential school settlement - resolving outstanding specific claims

May 1, 2008

By Gerardo Noriega

Aeromagnetic compensation plays an important role in most airborne geophysical exploration programs, dealing with the modelling and elimination of interference effects generated by the aircraft flying in the Earth’s magnetic field. This work discusses broadly recent developments on adaptive compensation (which allows continuous optimization of the solution through a recursive algorithm), real-time compensation of on-board electronic systems (whose effects are not captured by the conventional model), attitude-reference sensors, compensation of UAV platforms, and various modelling issues.

May 1, 2008

By L. Vela

Panoro es una empresa de exploraciones canadiense con un portafolio de 11 proyectos de Cu-Au de gran escala ubicados en la provincia del Batolito de Andahuaylas-Yauri, en Apurímac y Cusco. El proyecto Cotabambas es el más avanzado de ellos y consta de un sistema de pórfidos de Cu-Au (Ag, Mo), a veces emplazado en un ambiente netamente ígneo y volcánico (Cluster 1) y otras veces en el frente de calizas y areniscas del grupo Yura (Cluster 2) donde además se genera mineralización tipo Skarn. Los Clusters 1 y 2 presentan trabajos de mapeo, muestreo de rocas y geofísica, sin embargo, fuera de ellos existen otros 4 prospectos tipo skarn que requieren más estudios.

May 1, 2008

By Ingrid Hann

The Triple Bottom Line ? Economic Sustainability ? Creation of Joint Venture companies ? Planned evaluation of other kimberlites ? Social Sustainability ? Impact Benefit Agreement and Participation Agreements ? Education and training initiatives ? Environmental Sustainability ? Environmental management ? Mine closure planning

May 1, 2008

By Barrie Robb

Outline 1. Mackenzie Aboriginal Corporation (MAC) 2. ACR background 3. ?Learning from Experience? project - What - Why - lessons 3. How Industry could contribute to sustainable Aboriginal communities 4. Concluding words What is the Mackenzie Aboriginal Corporation (MAC)? ? Aboriginal owned ? Established construction capabilities ? Commitment to development of northern resources ? Partners have extensive experience

May 1, 2008

By Lloyd Rowson

??Several factors have led to a review and reoptimization of the Midwest uranium deposit by AREVA Resources Canada Inc., the project operator, on behalf of the owners ??The current proposal is to mine the deposit using open pit methods and then transport the ore by truck on a dedicated road linking the Midwest site with AREVA?s McClean Lake Operation (JEB mill) for processing ??A decision has been made to begin mining the deposit by 2010 (pending regulatory approvals)

May 1, 2008

The Millennium deposit, located in northern Saskatchewan between the McArthur River mine and the Key Lake mill, has considerable potential for becoming an operating mine. Located in the Athabasca Basin, Millennium is blessed with both the riches and the challenges that this basin offers. The potential for ground water inflows during shaft sinking, and the unconventional challenges associated with underground uranium mining, render the successful development of a new mine in this area especially rewarding. The preliminary design and engineering of the Millennium Project has tapped into the experience of other operations in the area, and has utilized new applications of geophysics technology to enhance the understanding of the local geological structure. This discussion will focus on the innovations, and the challenges specific to uranium mining, for a deposit that is poised to be one of the next mines to supplement Saskatchewan's uranium resources.

May 1, 2008

By J. Quispe, P. Zmora

La alteración es típica de los depósitos de alta sulfuración con sílice en la parte central rodeado de argílica avanzada y argílica, cuya mineralización en óxidos está relacionada principalmente a brechas hidrotermales y tufos de cristales y líticos con textura de sandy sílica, vuggy sílica y sílice masiva. Sin embargo, los trabajos geológicos y algunos sondajes realizados recientemente en el proyecto han permitido reconocer un cuerpo mineralizado de oro-cobre (0.40 g/t Au y 0.054% Cu), con ensamble de alteración clorita-epidota-paragonita-muscovita, relacionado a un intrusivo diorítico; observándose una gradación de los ensambles de alteración (arcillas a micas blancas), es decir de una alteración argílica intermedia (dickitaillita) a una alteración filica (paragonita-muscovita), lo cual evidencia una transición de un sistema de alta sulfuración a un sistema pórfido.

May 1, 2008

By Ferri Hassani

Some future challenges ? People ? Shortages of HQP (e.g. engineers, scientists, geologists) ? Environment ? Regulatory standards - GHGs and air pollutants ? Mine waste management and rehabilitation ? Downstream processing (e.g., alternatives to cyanide) ? Climate change adaptation ? Lowering costs and improving productivity ? Energy efficiency ? Mine automation ? Health and safety ? Deep mining

May 1, 2008

La caracterización del marco estructural distrital sugiere que la compresion fue inducida a partir de las fallas de rumbo Chicama-Chirimayo con una clara evidencia de vergencia hacia el noreste observado en los anticlinales, interrumpidos por fases de extension determinando bajos estructurales a lo largo de corredores tipo grabens de dirección noroeste, asociado a fallas de componente destral relacionado con emplazamiento de cuerpos subvolcanicos con mineralización de tipo pórfido de cobre-molibdeno coetaneo en 12 Ma.

May 1, 2008

By Luis Ayala, Francisco Solano

Entre Huachón y Corralcancha (Cordillera Oriental) se ha identificado un corredor estructural NO-SE (Chaska-Rumichaca) ubicado a ~30km al este de Cerro de Pasco. Cuyos límites son fallas regionales que determinan un bloque paleozoico del Complejo Metamórfico del Marañón (CMM). El límite occidental (Falla Rumichaca) corresponde a una falla inversa de vergencia SO que aflora dentro del CMM; mientras que el límite oriental (Falla Chaska) es una zona de cizalla compresional de vergencia NE que coloca al CMM sobre los Grupos Mitu (Pérmico superior-Triásico inferior) y Pucará (Triásico superior-Jurásico inferior) replegados. Este límite exhibe un flexionamiento de NO-SE a N-S que está asociado a fallas subordinadas de cinemática compresional, extensional y de desgarre.

May 1, 2008

By Matt Manson

?? Current Exploration and Assessment ?? Overview of Potential Development ?? Infrastructure ?? Opportunities and Challenges ?? Renard? 1-10 kimberlite pipes and ?Lynx-Hibou? kimberlite dyke system within ?Foxtrot? property ?? 50/50 Joint Venture between Ashton (a subsidiary of Stornoway) and SOQUEM ?? Discovered 2001-2003 ?? Québec is routinely assessed as one of the top mining jurisdictions in the world ?? Agnico-Eagle Mines Ltd. Is Stornoway?s largest shareholder and a leading mine developer in Québec

May 1, 2008

By Sylvie Brassard

Available information ?? InfoMine: mineral properties ?? Metals Economics Group: budgeted exploration expenses ?? MineScan: Canadian and American Mining Companies ?? Statistics Canada: Canadian Direct Investment Abroad, by Sector in the world OR all sectors by Country

May 1, 2008

By Axel Doelcken

?? Liebherr excavators in standard configuration are generally designed to operate in an ambient temperature range between -12°C and +55°C (10.4 °F and 131°F). ?? To operate effectively and efficiently in very low temperatures special consideration needs to be given to the design ??An inappropriately designed hydraulic system unable to withstand extreme changes in temperatures or varying working conditions will lead to: - premature wear and more frequent replacement of components - increased maintenance & unplanned downtime This will affect productivity & operating costs.

May 1, 2008