Prediction of normal-fault geometries - a sensitivity analysis

M. O. Withjack, E. T. Peterson

Research output: Contribution to journalArticlepeer-review

53 Scopus citations

Abstract

Several workers have developed cross section balancing schemes for extensional structures. Using these geometric models, structural interpreters can predict normal-fault geometries at depth by specifying the shape of a folded bed in the hanging wall of a normal fault; the deformation mechanism that accommodates the folding, the footwall counterpart of the folded hanging-wall bed, and the dip and location of the fault segment between the hanging-wall and footwall beds. Sensitivity analysis shows that reasonable uncertainties in the fold shape near the normal fault, the deformation mechanism, the footwall correlation, and the fault dip produce large uncertainties in the predicted fault geometry. Reasonable uncertainties in the fold shape far from the normal fault and the fault location, however, produce only small uncertainties in the predicted fault geometry. -from Authors

Original languageEnglish (US)
Pages (from-to)1860-1873
Number of pages14
JournalAmerican Association of Petroleum Geologists Bulletin
Volume77
Issue number11
StatePublished - 1993
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Fuel Technology
  • Energy Engineering and Power Technology
  • Geology
  • Geochemistry and Petrology
  • Earth and Planetary Sciences (miscellaneous)

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