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Saskatchewan Research Council (SRC) and CIM Magazine have collaborated to bring you the Diamond Webinar Series. Through it, SRC will share key learnings from their research and experience in diamond processing, as well as mineral processing and analysis, to assist mining companies achieve greater efficiencies in their operations. They will also discuss what technologies are needed to better recover the various diamond populations.  

Finding Your Next "Big One" Intact

Join us for the second in the Diamond Series: "Finding Your Next 'Big One' Intact: Understanding and mitigating diamond breakage" - Tuesday, May 7, 12:00pm to 1:00pm EDT

In this, our second in the series, presenters Lucy Hunt and Jane Danoczi will explain how to mitigate diamond breakage.

Diamonds can be broken and/or damaged during every stage of their liberation and recovery. Damage and breakage can occur during drilling in the exploration phase or during full-scale production, and is often caused by undersized processing equipment. By understanding the properties and features of the damage, inferences can be made on how this may have happened, and the processes that may have been involved. This information can be used by plant operators to help mitigate future breakage/damage, such as changes to plant design and/or operating parameters, and help lead to informed decisions on processing equipment. It can also improve the understanding of the expected size population of the diamonds. 

A number of features are assessed when determining the characteristics of fresh diamond breakage. Principally, any breakage surface is visually examined. If there are any resorption features present, the break is classified as old. If the features visible are associated with fresh breakage, then it is determined the damage was caused by man-made forces. Fresh breakage is assigned to different categories, based on the severity, and reconstituted carat weights are then ascertained. In addition, the presence or absence of abrasion and impact damage is noted, as well as if there is any visible stress on the diamond.

In this webinar, experts from SRC’s Mining and Minerals team will discuss:

»What’s involved in determining diamond damage.

»The benefits of determining diamond damage.

»How the information can be used to improve the accuracy of frequency size distribution plots during the exploration phase, or to mitigate future damage in your plant during production.


 About the presenters

Lucy Hunt, PhD, is a Research Scientist at the Saskatchewan Research Council (SRC). She graduated from Durham University, England, with a Master of Science first-class Honours degree in Geology. She then attended the University of Alberta, Canada, where she received a PhD in diamond research. After completing a two-year Post-Doctoral Fellowship at the University of Alberta, she joined SRC to work in the Advanced Microanalysis Centre™. At SRC, she has been involved in establishing its Applied Diamond Services and developing several new services, including analyzing the nitrogen characteristics of diamonds; quantitatively analyzing the colour of diamonds; carrying out diamond breakage assessments; and assisting in diamond parcel characterization.

Jane Danoczi, Pr.Sci.Nat, B.Sc. (Physics & Applied Mathematics), M.Sc. (Metallurgy) is a Senior Process Engineer in the Saskatchewan Research Council’s Mining and Minerals Division. She previously served as Manager, Process Design at Shore Gold Inc., CEO of Danoczi Solutions and Senior Research Officer at De Beers. In addition to corporate management and leadership, she has 28 years of experience in researching and developing technologies used in mines and is best known for her work in diamond recovery technologies.

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What is the Diamond Webinar Series?

In this series of four webinars, SRC’s experts will share valuable insights on the following topics:

1. Why Plant Recovery Audits Improve Performance Did you miss this webinar? Watch the video of the first in the series.

2. Finding Your Next "Big One" Intact: Understanding and mitigating diamond breakage. Register now.

3. Magnetic Susceptibility Assessments

4. Diamond Typing, Luminescence and Optical Sorting

Who is this webinar series for? 

Geologists, consultants, mine supervisors/managers, plant design consultants and engineers, and process and environmental engineers who work for mining companies or who are interested in learning about operational improvements.

What are the learning objectives for the webinar series?

Educate: Help companies learn to find process efficiencies so they can improve yields and increase profitability

Identify: Provide solutions to potential issues mine operators might face

About SRC

SRC is one of Canada’s leading providers of applied research, development and demonstration (RD&D) and technology commercialization. SRC focuses its efforts on the mining, minerals, agriculture, biotechnology and energy sectors, and the environmental considerations that are important across each sector.

SRC Mining and Minerals provides an extensive range of services, analysis and processes that meet industry needs across the mining cycle for a wide range of minerals. We provide technological solutions and testing in exploration, design and feasibility, operations and closure.

SRC Geoanalytical Laboratories Diamond Services has provided the international diamond industry with dependable kimberlite exploration services for over 25 years, including kimberlite indicator mineral (KIMs) processing and observation facility, micro diamond extraction by caustic fusion, and kimberlite processing and diamond recovery, including the secure sorting and characterization of macro diamonds at our kimberlite mini-bulk sample plant. 

Learn more about SRC Mining and Minerals