Testing the Porcupine Plate Hypothesis

• Published in: Marine Geophysical Researches
• Main Authors: Gerstell, M. F., Stock, J. M.
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: Springer Verlag 1994
• Subjects: North Atlantic; tectonics; Charlie-Gibbs fracture zone
• Online Access: https://doi.org/10.1007/BF01224748

The Porcupine Plate, postulated in 1986 to explain difficulties in reconstructing anomalies 21 and 24 in the North Atlantic, is re-examined. Focusing sharply on the spreading segments nearest to Charlie-Gibbs Fracture Zone casts doubt on the Porcupine Plate hypothesis. © 1994 Springer. Received 23 February 1993: accepted 25 June 1993. This study was undertaken while the first author was supported by NASA Fellowship NTG-30016. We are grateful to Kim Klitgord for making the data available; to Ted Chang for advice on the use of his software, and to two anonymous referees for their comments. The second author was supported by NSF grant EAR-9296102.