The permeability of active subduction plate boundary faults

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

At subduction zones, continuous influx of fluids drives a dynamic system in which fault slip, fluid flow, and advective transport are tightly coupled. Focused Ocean Drilling Program (ODP) and Integrated Ocean Drilling Program (lODP) efforts have enabled detailed investigations into fault zone structure, architecture, frictional properties, in situ pore pressure, and permeability at several subduction margins. This chapter focuses on quantitative constraints on fault zone permeability, its links to observed fault zone architecture, structure, and seismic reflection character, and its variation with depth and effective normal stress; evidence for temporal and spatial variations in permeability and fluid fluxes. It discusses the implications of existing observations for drainage of excess fluid pressure and the transport of heat and solutes. Numerical modeling studies at individual margins have provided constraints on fault zone hydrogeologic properties through detailed analyses relating pore pressure to sediment and fault permeabilities.

Original languageEnglish (US)
Title of host publicationCrustal Permeability
Publisherwiley
Pages207-227
Number of pages21
ISBN (Electronic)9781119166573
ISBN (Print)9781119166566
DOIs
StatePublished - Oct 31 2016

Fingerprint

plate boundary
fault zone
subduction
Pore pressure
permeability
Fluids
Drilling
Fault slips
Ocean Drilling Program
pore pressure
Drainage
fluid
Flow of fluids
Sediments
fault slip
Dynamical systems
fluid pressure
Fluxes
seismic reflection
subduction zone

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Environmental Science(all)

Cite this

Saffer, Demian. / The permeability of active subduction plate boundary faults. Crustal Permeability. wiley, 2016. pp. 207-227
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The permeability of active subduction plate boundary faults. / Saffer, Demian.

Crustal Permeability. wiley, 2016. p. 207-227.

Research output: Chapter in Book/Report/Conference proceedingChapter

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