Dr. David Trueman, Ph.D, P.Geo
Dr. David Trueman started his geological career working for INCO. In the intervening 59 years, he has spent time in academia, government and industry and the last 45 specializing in the rare metals field, inclusive of cesium. Dr. Trueman’s interest in rare metals stemmed from the geological examination of structural controls of granitic pegmatites for the Pre Cambrian Centre of Excellence at the University of Manitoba and in 1977 he joined Tantalum Mining Corporation of Canada (Tanco). He entered the junior mining sector in 1983 when he joined Highwood Resources to examine its Thor Lake NWT tantalum-niobium project and promptly found the world’s richest beryllium deposit. Since, he has worked on rare metal projects through the Arctic in Canada, Greenland, Alaska, and the USSR and his work has taken him to Australia, Brazil, Argentina, the PRC, Saudi Arabia, Spain, the UK, Germany including the former East Germany, the US, France, South Africa, Southwest Africa, Japan, and Denmark. His work has focussed on the geology, metallurgy and markets of tantalum, niobium, beryllium, lithium, cesium, rubidium, the lanthanide (rare earth) elements, zirconium, hafnium, scandium, indium, gallium, germanium tellurium, chromium, manganese, and thallium as well as base and precious metals. Over the years he has variously been a member of the Canadian Institute of Mining and Metallurgy, the Geological Association of Canada, the Prospectors & Developers Association, the Manitoba and Alberta Professional Engineers and Geologists Associations and other professional associations. He has served as an adjunct professor, as a lecturer in geophysical and geological short courses, and as a judge in the National Science Fair. He has held a number of directorships on exploration and mining companies and authored or co-authored some 82 papers in various professional journals and books. He is the sole person who has seen and worked on what are believed to be the two largest cesium deposits in the world; the Tanco deposit in Manitoba, and the Taron deposit in Argentina.