Limitations on the role of pore pressure in gravity gliding.

P. L. Guth, Kip Hodges, J. H. Willemin

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We have developed a simple model to evaluate the gravity gliding of nappes in sedimentary terranes. Three factors play a critical role in the model: 1) the ratio of horizontal to vertical stress; 2) the rate of fluid flow to the detachment horizon, and 3) the permeability of lithologies immediately above that horizon. Effective cap-rock permeabilities less than 10-4 to 10- 5 md are required for gravity gliding in a sedimentary basin. Based on available in situ permeability measurements, only shales and evaporites could have sufficiently low permeabilities on a regional scale. -Authors

Original languageEnglish (US)
Pages (from-to)606-612
Number of pages7
JournalGeological Society of America Bulletin
Volume93
Issue number7
DOIs
StatePublished - 1982
Externally publishedYes

Fingerprint

gliding
pore pressure
permeability
gravity
cap rock
evaporite
nappe
sedimentary basin
fluid flow
terrane
lithology

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

Cite this

Limitations on the role of pore pressure in gravity gliding. / Guth, P. L.; Hodges, Kip; Willemin, J. H.

In: Geological Society of America Bulletin, Vol. 93, No. 7, 1982, p. 606-612.

Research output: Contribution to journalArticle

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