Limitations on the role of pore pressure in gravity gliding.

P. L. Guth, K. V. Hodges, J. H. Willemin

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


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
Issue number7
StatePublished - 1982
Externally publishedYes

ASJC Scopus subject areas

  • Geology


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