A rift zone is a region of the Earth’s crust where tectonic plates are diverging, leading to the formation of rifts and the potential development of new ocean basins. Rift zones are significant for understanding the processes of continental breakup, seafloor spreading, and the formation of volcanic and geothermal features.
Source Ebinger, C. J., & Casey, M. (2001). “Continental Breakup in Magma-Rich and Magma-Poor Rifts: Evolution of the East African Rift System.” Journal of African Earth Sciences, 30(4), 815-834.