Rob Gordon, P.Eng., MBA, Manager of Marketing and Sales, Quantec Geoscience
Rob has been working in the Mining industry for 40 years. Currently, Rob spearheads Quantec’s business development and marketing efforts. He provides technical advice and advanced survey design for Quantec’s deep imaging surveys. He has published several papers for conferences and journals. He started his career with Anaconda Canada and subsequently held progressive roles with Echo Bay Mines, Covello, Bryan and Associates, and Terraquest airborne as a Geophysicist. Rob then spent 7 years with Dighem,(CGG) a helicopter EM survey company, where he was involved in all aspects of helicopter EM, Magnetics and Radiometric surveys. During this period, he was involved in significant surveys related to the Voiseys’ Bay and the Ekati discoveries and work for the UNDP in Ethiopia. Following an earlier stint at Quantec (1998 to 2008), Rob became General Manager then President of Caracle Creek, an innovative global Geological consulting firm, where his efforts were focused on providing integrated exploration programs for clients including geological mapping, resource modelling, drill programs, geophysics and earth modelling.
Rob graduated with a B.Sc. Eng. in Geological Engineering (Geophysics) from Queens and an MBA from the Ivey Business School at UWO. He is a registered Professional Engineer in Ontario and holds an Honorary Fellow from Geoscientists Canada for his extensive volunteer work with the APGO.
(Rob is also a published author of the book “I, Wayne Gretzky” and runs an online Indigenous Art Gallery (Algonquin Heritage) in his spare time)
Explorationists continue to use imaging technology more and more to better understand the subsurface. Geophysical technology is routinely applied to most exploration activities. One technology that has been around for a very long time, but until recently has seen relatively little use in mineral exploration, is magnetotellurics, often referred to as MT. The MT method of obtaining deep resistivity information from the subsurface was first practically implemented in the 1950’s. Since that time its applications have been mostly academic, but more recently, thanks to significant advancements in computing power and inversion methods for dealing with the complex data collected, there has been a significant increase in the use of the technology for nearer surface exploration.
In 2006, an Australian government MT transect highlighted the significance of regional information when it showed very significant features lying deep below the world class Olympic Dam mine. The features potentially highlight deep mineral emplacement conduits and structural pathways that may provide prospective terrains for ore exploration. More recently the Metal Earth program based out of Laurentian has embarked on similar deep mapping programs to collect deep transect information over the Red Lake and Timmins camps. Mining companies, both Majors and Juniors, are routinely utilizing the technology for prospecting the top 2000m of the subsurface.
The purpose of this presentation is to provide a brief overview of the history, development, and practical use of MT. The presentation will cover how the technology works, field survey logistics & costing, and practical examples of survey results from several geological environments including porphyry, massive sulphide, vein systems, as well as minesite applications. Attendees should leave with an understanding of the the technology, how it can be effectively used, and perhaps some ideas of how to incorporate it in their specific exploration programs.
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