The Potential of Multi-Sensor Remote Sensing Mineral Exploration: Examples from Southern Africa

Traditional exploration techniques usually rely on extensive geological field work complemented by geophysical ground surveying. However, this approach can be limited by field accessibility, financial status, area size and climate and can be confronted with public rebuff. We recommend the use of multi-scale hyperspectral remote sensing to mitigate the limitations of traditional exploration. Multi-scale remote sensing is particularly beneficial, especially in inaccessible and remote areas with little infrastructure, because it allows for a systematic, dense and generally non-invasive surveying. Additionally, Unmanned Aerial Systems (UAS) coupled with various sensors provide an opportunity to conduct noninvasive exploration in socially sensitive areas and in relatively inaccessible locations. The development of operational technologies and the evaluation of appropriate processing techniques in different mineral deposit environments contribute to a rapidly evolving field at the cutting edge of exploration technologies. Ultimately, this study provides the opportunity to advance the discovery of critical raw material deposits.