Detachment faulting and the evolution of passive continental margins

G. S. Lister, M. A. Etheridge, P. A. Symonds

Research output: Contribution to journalArticle

631 Citations (Scopus)

Abstract

Major detachment faults play a key role in the lithospheric extension process in the Basin and Range province and may also be important in other continental extension terranes. Such detachment faulting leads to an inherent asymmetry of extensional structure and of uplift/subsidence patterns. Detachment models developed for the formation of metamorphic core complexes can also be applied to the formation of passive continental margins. We therefore suggest the existence of 'upper-plate' and 'lower-plate' passive margins. These give rise to a complementary asymmetry of opposing margins after continental breakup. Transfer faults offset marginal features and allow margins to switch from upper-plate to lower-plate characteristics along strike.-Authors

Original languageEnglish
Pages (from-to)246-250
Number of pages5
JournalGeology
Volume14
Issue number3
DOIs
Publication statusPublished - 1986
Externally publishedYes

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