Along-axis variations in tectonic extension and accommodation zones in the MARK Area, Mid-Atlantic Ridge 23°N latitude

Jeffrey A. Karson, Alec T. Winters

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Multidisciplinary studies of the slow-spreading (<30 mm a -1) ridge axis in the MARK Area define a number of discrete spreading cells in each of which the style of seafloor spreading is distinctly different. In some cells, episodic magmatism and asymmetrical detachment faulting occur, whereas in others, a more continuous magma supply and symmetrical, steep, normal faulting dominate. Oblique-slip fault zones that link the cells are a kinematic requirement of such along-strike variations and are similar to the accommodation or transfer zones of continental rifts.

Original languageEnglish (US)
Pages (from-to)107-116
Number of pages10
JournalGeological Society Special Publication
Volume60
DOIs
StatePublished - Dec 1 1992
Externally publishedYes

ASJC Scopus subject areas

  • Water Science and Technology
  • Ocean Engineering
  • Geology

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