GeoActiv is a geological consulting and contracting business, based in Johannesburg, South Africa. Since 1999 we offer a broad sprectrum of
geological services to the mineral industry in Southern Africa as well as internationally. The founders and share holders are professional
geologists with many years of experience in various geological disciplines and they ensure confidential and reliable services of a high standard.
Our staff of experienced professionals has been closely involved with mining operations, target generation, mineral exploration and prospect
evaluation in Southern Africa and abroad. We also draw on a large base of contract geologists with special skills and experience, as may be
needed for specific projects. GeoActiv is in close association with businesses related to mining, such as environmental management,
land surveying, remote sensing and ground water management.
We offer a comprehensive and integrated ("one-stop") geological service that covers all aspects of the mineral industry, fully compliant to our
client's needs. Our team can manage large projects, so that our clients only need to deal with one contractor and receive an integrated product.
Kosbus has extensive experience in Greenstone Gold exploration (Zimbabwe and Tanzania), heavy mineral sands deposits (Mozambique and Northern Cape), Bushveld projects, Wits goldand Archean platinum (Kalplats project). He has been involved in numerous projects from inception, with some of these going to full feasibility.
Johan holds a MSc (kimberlite petrology) and a PhD (Merensky Reef) and has published c.50 reviewed papers in international journals, and has addressed numerous conferences. His main focus is the origin and economic geology of the Bushveld Complex including Chromotite, PGM, magnetite and fluorite. He has also published on the MVT Pb-ZN of the Kaapvaal Craton as well as on legal, environmental and medical topics. Johan has worked on chromitite, PGM, Pb-ZN and gold and limestone exploration projects.