A spreading center is a tectonic plate boundary where two plates are moving apart, allowing magma to rise and create new oceanic crust. This feature is significant for understanding the processes of seafloor spreading, the formation of mid-ocean ridges, and the dynamics of plate tectonics.
Reference: Müller, R. D., et al. (1997). “The Geodynamics of Oceanic Plateaus.” Geophysical Research Letters, 24(6), 813-816.