Theory of dike intrusion in a saturated porous solid

D. Elsworth, B. Voight

Research output: Contribution to journalArticle

23 Scopus citations

Abstract

The pore pressure fields induced around cylindrical and planar intrusions are described as analogues to moving point or line dislocations within an infinite saturated porous elastic medium. The resulting transient pressure fields reduce to an equivalent steady state when viewed from the advancing front. Solutions for the moving point and line dislocations yield a dependence on common dimensionless groupings. Thus, dimensionless pressure rise accompanying intrusion, and recorded at a static location, may be uniquely referenced to the dimensionless parameters representing emplacement velocity and time. The resulting transient pressure response may be divided into two groups, representing fast and slow emplacement. Two intrusive events at Krafla, Iceland, are examined using the proposed moving dislocation models. -from Authors

Original languageEnglish (US)
Pages (from-to)9105-9117
Number of pages13
JournalJournal of Geophysical Research
Volume97
Issue numberB6
DOIs
StatePublished - Jan 1 1992

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Forestry
  • Oceanography
  • Aquatic Science
  • Ecology
  • Water Science and Technology
  • Soil Science
  • Geochemistry and Petrology
  • Earth-Surface Processes
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science
  • Palaeontology

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