@inbook{ab47f38159974386808dc9357a5777f0,
title = "Detachment tectonics during Atlantic rifting: analysis and interpretation of the S reflection, the west Galicia margin",
abstract = "Beneath the tilted fault blocks of the western Galicia rifted margin an unusually bright reflection, the S reflection, is observed. The waveform, polarity and amplitude of S indicate that it is a reflection from a seismic interface across which the acoustic impedance increases sharply. This result is consistent with its interpretation as a detachment fault juxtaposing a low velocity and density upper plate and a high velocity and density lower plate. Pre-stack depth migration is applied to determine the true geometry of S, and its relationships with the overlying faults. It is found that S passes continuously beneath the upper crustal faults, which detach onto S. However, S does appear to be truncated westwards by east-dipping reflections associated with the peridotites exposed at the seafloor. These reflections are interpreted as the continuation of the top-to-the-east extensional shear zone sampled within the peridotite, and it is suggested that S is either antithetic to a master mantle detachment, or that S is cut by a later mantle shear zone. -from Authors",
author = "Reston, {T. J.} and Krawczyk, {C. M.} and Hoffmann, {H. J.}",
year = "1995",
month = dec,
day = "1",
doi = "10.1144/GSL.SP.1995.090.01.05",
language = "English",
isbn = "1897799276",
series = "Special Publications",
publisher = "Geological Society of London",
pages = "93--109",
editor = "R.A. Scrutton",
booktitle = "The tectonics, sedimentation and palaeoceanography of the North Atlantic region",
address = "United Kingdom",
}