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12 November 2024 | Story Jacky Tshokwe | Photo Supplied
Dr Mariana Erasmus
Dr Mariana Erasmus (Vice Director, CMBG) demonstrates some of the equipment in the newly established, state-of-the-art laboratories at the Centre for Mineral Biogeochemistry.

The University of the Free State (UFS) recently hosted a landmark event-the national launch of the South African Biogeochemistry Research Infrastructure Platform (BIOGRIP) - in the Centenary Complex on its Bloemfontein Campus. This significant occasion marked the establishment of the Centre for Mineral Biogeochemistry at the UFS and underscored South Africa’s growing commitment to biogeochemistry research.

Prof Anthea Rhoda welcomed the distinguished gathering of scientists, students, industry leaders, and stakeholders, highlighting the launch as a collaborative milestone in South Africa's scientific journey. In her address, Prof Rhoda emphasised the importance of the interdisciplinary nature of biogeochemistry, where biology, geology, and chemistry converge to offer insights into critical issues such as climate change, water quality, and soil health. She remarked on the necessity of collaboration, explaining that BIOGRIP’s platform, built on shared resources and expertise, exemplifies the power of uniting across institutional boundaries to accelerate impactful discoveries.

The programme featured insightful scientific talks by leading experts, each focusing on how biogeochemistry addresses key environmental issues such as sustainability and resource management. These presentations reinforced BIOGRIP’s commitment to advancing knowledge that can influence policy and improve practices.

Attendees were also given guided tours of the state-of-the-art laboratories in the Centre for Mineral Biogeochemistry, which provided a behind-the-scenes look at the advanced tools and methods employed in studying interactions between minerals, biology, and the environment. For many, this was a highlight, as they observed firsthand how biogeochemical research is conducted and contributes to soil health, pollution control, and environmental conservation.

The launch provided ample networking opportunities, fostering connections among academics, government representatives, industry professionals, and environmental organisations. Over a catered lunch, participants engaged in vibrant discussions about potential collaborations and the role of biogeochemistry in addressing South Africa’s environmental challenges.

The BIOGRIP national launch stands as a milestone event, not only for the UFS, but for the broader South African scientific community. With the establishment of this research platform, South Africa is well-positioned to tackle pressing environmental issues through innovative research and cross-sector collaboration. The event left attendees inspired and motivated, setting an optimistic tone for the future of biogeochemistry research in the region.

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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