All articles tagged with #kafue rift
Oxford-led research finds mantle-derived fluids rising to the surface along Zambia's Kafue Rift, indicated by helium isotope signatures, signaling active tectonics and a possible early fragmentation of sub-Saharan Africa within a long “zone of weakness” from Tanzania to Namibia, with potential geothermal-energy implications.
Geochemists found mantle-derived helium in hot springs along Zambia’s Kafue Rift, providing direct evidence that the rift is connected to deep mantle rocks and may be the early stage of a new African plate boundary. The finding, which compares the region to the East African Rift, is based on gas samples from springs inside and outside the rift, with broader fieldwork planned across southern Africa. Early-stage rifts can host geothermal energy and helium/hydrogen resources, making the discovery especially significant for energy prospects.
Scientists say Sub-Saharan Africa may be starting to split into a new tectonic boundary along the Kafue Rift. A Frontiers in Earth Science study reports mantle-derived helium-3 signals in hot springs and geothermal wells in Zambia, alongside other geophysical clues, suggesting active rifting in the area—though the evidence is preliminary (only six sites studied, with two others lacking the signal). If confirmed, this would provide a rare glimpse into how a plate boundary begins, a process that could take millions of years; in the near term Zambia could also gain from geothermal energy development and helium extraction.
An international Frontiers in Earth Science study found elevated helium isotope ratios and mantle-like CO2 in samples from the Kafue Rift in Central Africa, suggesting mantle fluids are reaching the crust and potentially signaling the early stages of a new plate boundary that could eventually split sub‑Saharan Africa. The result is preliminary, but if confirmed it could open geothermal and other resource opportunities, with follow-up research planned across the Southwest African Rift System.
Geologists studying the Kafue Rift in Zambia found mantle-derived helium signatures in hot springs, suggesting an active fault boundary and early signs that sub-Saharan Africa may be splitting; while this raises the possibility of geothermal energy opportunities, the researchers caution that data from other segments are needed to confirm a new plate boundary.