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Barlow Medal for Best Geological Paper

For the best geological paper published in CIM publications during the preceding year

Origins & Conditions

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Born on June 17, 1861, Alfred Ernest Barlow joined the Geological Survey of Canada in 1883, where he would help to define some of Canada’s most prolific mining regions. Barlow was the first geologist to recognize the Huronian belt in Ontario as a mineral rich location, and he wrote the book on the nickel and copper deposits of Sudbury. He served as president of CIM from 1912 until his untimely death in 1914. The Barlow Medal for Best Geological Paper was created in his honour, annually awarding a gold medal to those who publish the best paper on economic geology.

  1. The award is presented annually, and there may be more than one recipient in any given year. 
  2. The winning paper will be selected by the Barlow Medal for Best Geological Paper Committee, chaired by the Vice-President-Elect of the Geological Society.
  3. The Committee shall present its report and recommendations to CIM Council not later than the last Council prior to the CIM Conference & Exhibition.
  4. When reasonably possible, the recipient shall be expected to receive the award in person during the course of the CIM Conference & Exhbition following the announcement of the award, or at such a time or place as CIM Council may direct.
  5.  Nominees should be CIM National Members.

Winners

2019

Dr. Hamid Mumin

Dr. Hamid Mumin is Professor and Director of the Department of Geology at Brandon University. He was born in Toronto and grew up on a farm near Milton, Ontario. He received his degree in geoengineering from the University of Toronto in 1985, his MSc in economic geology from the University of Toronto, and his Ph.D. and postdoctoral fellowship from Western University. As an engineer and geoscientist, he has worked in collaboration with the industrial sector on many projects. Since 1995, he has taught various geoscience courses at Brandon University. His research spans three continents, but focuses primarily on Canada's Far North, where he collaborates with government and industry on mineral exploration and development projects. He is also Past President of Geoscience Canada and a member of the Board of Governors of Brandon University.

Distinguished Lecturer 2010-11

Lecture Abstract

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Iron Oxide Copper-Gold Deposits in Genetic Context

Hydrothermal iron oxide copper-gold (IOCG) deposits inspire controversy and debate over their classification, origin and, in particular, their relationship to a variety of disparate deposit groups. The IOCG deposit-type proper is comprised of a recognizable group of hydrothermal, primarily igneous-associated deposits with: i) greater than 15 to 20% hydrothermal magnetite and/or hematite genetically associated with economic mineralization; ii) economic accumulation of one or more of Fe, Cu, Au, U, Ag, Co, Bi, Mo ± a variety of other metals in minor or localized concentrations; and iii) spatially extensive and diagnostic hydrothermal systems characterized by a core zone of higher temperature alkali-iron (Na-K-Fe) alteration, and distal lower temperature K-Fe-Ca-Si alteration.

A genetic and spatial association of IOCG systems to porphyry copper, iron oxide apatite, iron oxide copper-gold, skarn and epithermal deposit types is well manifested in the 1.9 to 1.8 Ga Great Bear Magmatic Zone (GBMZ) in the Northwest Territories, where superb preservation and bedrock exposure provide a measure of much needed clarity. Felsic to intermediate stratovolcano complexes are preserved intermittently along the GBMZ. Their subvolcanic intrusions generated giant IOCG fertile systems, which in some areas spatially exceed 100 square kilometres in exposed extent. Within the same hydrothermal systems are found a continuum of porphyry, IOCG and epithermal deposit styles that, in isolation and out of context, can be mistaken for disparate and unrelated events.

In modelling the IOCG deposits of the GBMZ, a pattern of alteration, mineralization and geotectonic setting emerges that is both distinctly different, yet clearly resembles some classic porphyry systems. Some of the underlying reasons for these similarities and differences are illustrated and discussed. Most importantly, placing IOCG systems in their global genetic context provides very attractive and robust models for exploration of igneous-hydrothermal systems.

2019

Alexander Prikhodko

Alexander Prikhodko obtained an MSc in mining engineering with a focus on geophysics in 1984 at the National Mining University in Ukraine, a PhD degree in geoscience in 1991 at Ural State Mining University, a BSc degree in software development in 1998 at Pacific National University. He completed an EMBA from Sandermoen School of Business at Fredericton University. His area of expertise is outlined by applied geophysics in mineral exploration. He has been working as a geophysicist and a field crew leader in state mapping expeditions, as a researcher in a geoscience institution, as a chief geophysicist in a mining company and a geophysical and managing director in airborne geophysical companies. For the last 15 years he is specializing in airborne geophysics with focus on electromagnetic methods and their application to exploration of diverse commodities in regions over the world.

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