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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

“To interpret is more than the ability to have mastered two languages”
2014-03-27

 

It is equally unfair to the accused as the victim when an untrained court interpreter is used in a court case.

In South Africa there are currently a large percentage of interpreters employed by the Department of Justice without any formal training.

While interpreting is in reality a very complex subject, the general acceptance is that everybody who is able speak two languages or more can be an interpreter.

This perception harms interpreting as a profession, as it results in most institutions appointing any multilingual person as an interpreter.

In many cases people are used to interpret into and from their third or fourth language (of which Afrikaans is one). This leads to inaccuracy and the incorrect use of expressions and terminology. Specific cognitive processes also have to be developed and practiced.

The University of the Free State (UFS) has since 2008 trained approximately 200 court interpreters in South Africa. This training includes the theory of interpreting and practical exercises, as well as the development of terminology and a basic knowledge of the legal system in South Africa.

The training provided to court interpreters by the Unit for Language Management and Facilitation, is done in conjunction with the Department of Justice and Constitutional Development and SASSETA (Safety and Security).

Apart from Afrikaans, native speakers of all South African languages are included in the training.

Much attention (rightfully) are given to interpreters who can interpret between the nine African languages and (mostly) English, but in the process the development of interpreters between Afrikaans and English was neglected, as became apparent in the past two weeks during the Oscar Pistorius case.


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