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29 July 2019 | Story Leonie Bolleurs
Dr Martin Clark
Dr Martin Clark, the founder of the MAGIC (Multi-purpose Aerial Geological Image Classification) initiative. MAGIC can obtain geological and structural information that is critical for making informed decisions in exploration and mineral extraction processes.

Mining has historically been described as a boom-and-bust industry, where fluctuations in mineral prices could result in extreme success or bankruptcy. Successful mining companies closely monitor assets/expenditures, risks, and other parameters associated with their business to best ensure their longevity. In most mineral industries, there are a few competitors that dominate the delivery of a mineral resource. As a result, technological development, along with other factors, are critical to ensure that these companies’ business remains viable and protected.

This is according to post-doctoral fellow in the Department of Geology, Dr Martin Clark.

Drone technology: better, faster, safer

He says technological development in mining generally translates to how a company can extract a resource from the ground better, faster, and safer. 

Dr Clark believes the rapid development of drone technology represents a shift in the toolbox that mining companies can employ.

“Drones can collect a great deal of data randomly over vast or small areas within hours, historically accomplished by mapping campaigns which can last months to years. Drones can also collect data in areas which are difficult and dangerous for humans to get to. These include cliff faces or rock walls that are difficult and dangerous to get close to, as well as stretches of land where dense vegetation, inaccessible terrain, and even atmospheric dangers become factors which reduce or modify the scope of exploration work,” he said. 

Expanding application of drones

Dr Clark’s work specifically focuses on expanding the applications for which drones are used. “I assess what and how good the imaging capabilities of drones are, use the imagery to generate 3-D models to drive scientific observation, and yield results which can help companies to extract resources. This initiative is called MAGIC (Multi-purpose Aerial Geological Image Classification),” he said. 



“MAGIC aims to collect geological and structural information that is critical for making informed decisions in exploration and mineral extraction processes,” he added.

Dr Clark is not only the founder of MAGIC; he also drives multiple aspects of the initiative including education, research, and business development. 

In 2013, when he was busy with his doctorate, there was already a spark of interest in using drones to address geological questions. At that time, Dr Clark was working with remotely sensed high-resolution LiDAR imagery to better understand geological structures at the Sudbury Mining Camp in Canada. The interest became a reality in 2018, when he applied this initiative during his post-doctoral fellowship at the UFS.

Now and the future

“At present, there are no direct mining projects underway, but projects are expected to begin in 2020. Drone operation and image-analysis techniques are currently being refined for industry,” he said. 

Besides his work with drones, Dr Clark also work in the fields of structural geology, remote sensing, and geospatial data analysis.  

News Archive

Researchers focus on parrots, poultry and phage therapy
2014-10-10

Photo: en.wikipedia

Veterinary biotechnology focuses on microbial and molecular biological approaches to veterinary illnesses. The group working on veterinary biotechnology research at the University of the Free State (UFS) consists of two academic staff members, Prof Rob Bragg and Dr Charlotte Boucher, two post-doctoral fellows, Drs Chris Theron and Arina Hitzeroth, five PhD and three honours students.

The group has three research focus areas.

Dr Boucher says, “Our main focus area is infectious coryza in poultry, caused by the bacterium Avibacterium paragalliarum. The aim is the control of the disease, mainly through improvement of vaccines, understanding the immune response and improved biosecurity. A key objective is improving methods for serotyping; studying of selected surface antigens and investigating the influence recently discovered bacteriophages might have on virulence. We have co-operative projects with research groups in China, India and Israel.

“The second focus area is an expression system co-developed with the National Institute for Agronomic Research (INRA), France. The flagship project is the expression of the coat protein gene of the beak and feather disease virus, a disease affecting parrots, currently threatening the endangered Cape parrot. This system has led to the development of serological tests, currently under patenting. The application of this system has been extended to human-related diseases, with two interdisciplinary projects underway, co-working with Profs Muriel Meiring and Felicity Burt. Prof Meiring is working on diseases causing bleeding disorders, such as blood-clotting impairment, while Prof Burt is working on viral infections causing haemorrhagic (bleeding) disorders.

“We are also researching disease control in a post-antibiotic era, investigating the potential of phage-therapy by targeting and destroying pathogenic islands within a host, with reduced side-effects on the host itself.

“We have smaller projects, including an interdisciplinary project with Zoology, looking at the protein profile of amphibian (frog) secretions with the focus on antimicrobial activity, as these secretions assist with protecting amphibian skin against infections.”  


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