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01 March 2019 | Story Ruan Bruwer
Ruben Kruger
Ruben Kruger, one of the four Kovsie team members who helped his side to the second place at the national tennis club championship.

The impressive tennis team of the University of the Free State, the national student title holders, came very close to also being crowned as the national club champions on Monday (25 February 2019).

The team from the University of the Free State lost to Marks Park in the final of the Top guns national club tournament at Sun City by two games to one. Matches consisted of men’s doubles, women’s doubles, and mixed doubles, with optional rotation at the end of each set.

The team members from the UFS were Arne Nel, Ruben Kruger, Lienke de Kock, and Ester de Kock.

In the finals, the UFS won their one match in the mixed doubles thanks to the double pair of De Kock (Lienke) and Kruger.  

In the second version of the tournament 18 of the best clubs, including all the provincial tennis champs, competed for the honours as national club champions. The students’ second spot was an improvement on the fourth position the team achieved last year. That team also included Nel and De Kock. Last year they also lost to Marks Park, on that occasion in the play-offs for the third position.

On Saturday and Sunday, the UFS defeated both Aces (Limpopo) and Old Mutual (Western Cape) by 3-0 but lost to Brighton from KwaZulu-Natal in die final round-robin match.

In the semi-finals they were too strong for Kuils River of the Western Cape, winning by 2-0.

The team received prize money of R10 000 as runners-up plus R10 000 to be shared among the players.

News Archive

Scientists discover a water reservoir beneath the Free State
2009-12-09

Dr Holger Sommer

The Mantle Research Group Bloemfontein (MRGB), under the leadership of Dr Holger Sommer, a senior lecturer in the Department of Geology at the University of the Free State (UFS), has discovered an enormous water reservoir 160 km beneath the Free State.

This discovery, according to Dr Sommer, is the first of its kind in South Africa after he had previously made a similar finding in Colorado, USA.

However, this water cannot be used for human consumption. “It is not frozen water; it is not molecular water; it is not fresh water; it is not salty water; it is OH – water which is sitting in the crystal lattice,” he said.

He said the reservoir was comparable in size to Lake Victoria in Tanzania.
The researchers collected eclogites from the Roberts Victor (Rovic) Mine close to the town of Boshof, south-west of the Free State, for their study.

“The Rovic eclogites are rocks which represent former oceanic crust transported into the earth’s interior by complex plate tectonic processes about 2.0 billion years ago,” explained Dr Sommer.

“These rocks were finally carried back to the earth’s surface by volcanic (kimberlite) eruptions around 130 million years ago. Eclogitic rocks are therefore a window into the Earth’s interior.”

The question from the beginning for all MRGB scientists was: Is there water inside these rocks in such depth, and if so, where is it located?

To answer this question, Dr Sommer and his research fellows separated single mineral grains from eclogite samples and prepared about 100 micrometer (0,1 mm) thick rock sections. Afterwards, specific particle accelerator (Synchrotron) measurements were carried out in the city of Karlsruhe in Germany.

“And indeed, the MRGB found water inside the studied rocks from the Roberts Victor Mine,” he said. “The water was located in defect structures in crystal lattices and along boundaries between single mineral grains.”

“The occurrence of water at such depth would give first evidence that all water of the oceans could be stored five to ten times in the earth’s mantle.”
The study was conducted about a year ago.
 

Media Release
Issued by: Mangaliso Radebe
Assistant Director: Media Liaison
Tel: 051 401 2828
Cell: 078 460 3320
E-mail: radebemt.stg@ufs.ac.za
4 December 2009

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