Flow and fabric development during the diapiric rise of magma

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Abstract

Scaled isothermal experiments of the internal circulation induced by viscous drag at a diapir/country rock interface are compared with published theoretical studies of flow induced finite deformation inside a rising sphere, and new numerical results are presented for the incremental strain pattern developed in spherical diapirs. The results predict a time-dependent deformation history within rising diapirs that produces finite strains characterized by strong oblate flattening strains at the margin and strong vertical prolate strains in the center with an intervening zone of low plain strain. -from Author

Original languageEnglish
Pages (from-to)681-698
Number of pages18
JournalJournal of Geology
Volume98
Issue number5
DOIs
Publication statusPublished - 1 Jan 1990
Externally publishedYes

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