Martin C. Kleinrock, Brian E. Tucholke, Jian Lin, Maurice A. Tivey; Fast rift propagation at a slow-spreading ridge. Geology ; 25 (7): 639–642. doi: https://doi.org/10.1130/0091-7613(1997)025<0639:FRPAAS>2.3.CO;2
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Bathymetric, magnetic, gravity, and morphologic data from the flank of the slow-spreading Mid-Atlantic Ridge reveal obliquely oriented features that offset magnetic isochrons and morphological patterns within individual ridge segments. These features form angles of ∼10°–40° with the isochrons and are inferred to result from rift propagation at rates several times the spreading rate, representing the fastest propagators yet observed at a slow-spreading ridge. These fast propagators appear to have formed as a result of tectonic extension migrating along ridge segments as the segments change from more magmatic to less magmatic periods of spreading.