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Relation between permeability and effective stress along a plate-boundary fault, Barbados accretionary complex

  • Andrew T. Fisher
  • , Gretchen Zwart
  • , T. Shipley
  • , Y. Ogawa
  • , J. Ashi
  • , P. Blum
  • , W. Brückmann
  • , F. Filice
  • , D. Goldberg
  • , P. Henry
  • , B. Housen
  • , M. J. Jurado
  • , M. Kastner
  • , P. Labaume
  • , T. Laier
  • , E. Leitch
  • , A. Maltman
  • , A. Meyer
  • , J. C. Moore
  • , G. Moore
  • S. Peacock, A. Rabaute, T. Steiger, H. Tobin, M. Underwood, You Lin Xu, H. Yin, Y. Zheng

Research output: Journal article publication › Journal article › Academic research › peer-review

Abstract

In situ bulk permeability was measured in a borehole that intersected the decollement zone (a low-angle detachment fault) between the North American and Caribbean plates. Permeability measurements were made at a variety of fluid-pressure conditions, defining a quantitative relation between bulk permeability and effective stress for this plate-boundary fault zone. The bulk permeability in this zone changed by several orders of magnitude as a consistent function of fluid pressure. This relation may help to explain the dynamics of fluid-fault interactions and the transient nature of hydrologie processes during deformation at convergent margins.
Original languageEnglish
Pages (from-to)307-310
Number of pages4
JournalGeology
Volume24
Issue number4
DOIs
Publication statusPublished - 1 Jan 1996

ASJC Scopus subject areas

  • Geology

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