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  • Workshop and Mini-Symposium on the Complexities of Grade Estimation

Workshop and Mini-Symposium on the Complexities of Grade Estimation

  • 07 Feb 2012
  • Toronto

Download William Roscoe’s presentation here

Download Jim Whyte’s presentation here

Download Mohan Srivastava’s presentation here

Download Oy Leuangthong’s presentation here

Download Fran Manns’ presentation here

Download the flyer here

Morning Workshop (9:30-noon) presented by Lynda Bloom (Analytical Solutions Ltd.): Why can’t the lab reproduce my gold assays?

followed by afternoon (1-4pm) mini-symposium.

Confirmed speakers / panelists include:

  • William E. Roscoe (Roscoe Postle Associates)
  • R. Mohan Srivastava (FSS Canada)
  • Oy Leuangthong (SRK Consulting)
  • Jim Whyte (Ontario Securities Commission)
  • Fran Manns (Toronto Stock Exchange)

Speaker bios and pictures:

Mo Srivastava is a geologist and geostatistician who has more than 30 years of experienceeconomic resource estimation. He has a Bachelor’s degree in Earth Sciences from MIT, and a Master’s degree in Geostatistics from Stanford University. He is the author of the most widely-used textbook on geostatistics, “An Introduction to Applied Geostatistics”, and of more than 40 papers on the theory and practice of geostatistics. He is one of the founding partners of FSS Canada, the consulting company with which he has worked for the past 20 years. In addition to his responsibilities with FSS Canada, he is currently coordinating Benchmark Six, an industry-wide initiative to improve information on the reliability of assay data.

Bill Roscoe is a Principal Geologist and Chairman of Roscoe Postle Associates Inc. which he co-founded in 1985. As a Consulting Geologist since 1981, he has been involved primarily in mineral resource and mineral reserve estimates and audits, valuation of mineral properties, and preparation of technical reports. Dr. Roscoe has a B.Sc. (Eng.) from Queen’s University and M.Sc. and Ph.D. degrees in Geological Sciences from McGill University and is a Professional Engineer in Ontario and British Columbia. He has published and presented extensively on valuation of mineral properties, mineral resources and reserves, and.
Download Bill’s paper on “Cutting curves for grade etimation and grade control in gold mines here

Oy Leuangthong, Ph. D., P. Eng.,

is a Senior Geostatistician based in the Toronto office of SRK. Oy has over ten years experience with geostatistics and 3D modeling of mineral and petroleum resources. Prior to joining SRK, she worked as an Assistant Professor in Mining Engineering at the University of Alberta in Edmonton. Her areas of expertise are in resource estimation, simulation and classification using geostatistics, with particular interest in multiple variables and trend modeling. She has consulted on projects for both national and international mining and petroleum companies. Oy has authored and co-authored three books, 13 journal papers and over 25 conference articles in the area of geostatistics for resource characterisation.

James Whyte is a Senior Geologist at the Ontario Securities Commission, and was formerly Senior Staff Writer in the Toronto bureau of The Northern Miner, the weekly newspaper of the North American mining industry. He has experience in mineral exploration, as a staker, geophysical operator, sampler, and geologist, and in environmental and geotechnical consulting for the construction and real-estate business. He was a co-author on four editions of The Northern Miner’s bookMining Explained. He is a registered Professional Geologist in Ontario, a geochemist by training and a bushrat by heritage, with a B.Sc. in geology from the University of Toronto and a M.Sc. in geochemistry from Queen’s University.

Fran Manns is Senior Manager, Compliance and Disclosure, Mining of the Toronto Stock Exchange.  Fran has been with the exchange for more than ten years.  At the exchange he reviews technical reports for original listings, and assists Market regulation Services in timely disclosure for mining.  Prior to joining the Stock Exchange, he was an executive in the junior mining Company, a mining analyst, and an explorationist for lead-zinc and gold for a mid-tier mining firm.  He received his Bachelors and Master’s degrees in Geology at Temple University in Philadelphia, and a Ph.D in Geology from the University of Toronto.  Fran is a registered Qualified Person with the Association of Professional Geoscientists of Ontario a member of TGDG, CIM and PDAC.

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