Simulation of fabric development in recrystallizing aggregates-II. Example model runs

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Abstract

This study investigates the role of the coupling of dynamic recrystallization and lattice rotations in fabric development. A new two-dimensional computer simulation of polycrystalline deformation is used, which combines homogeneous straining, internal lattice rotations and dynamic recrystallization processes. Five example runs of the simulation are described here, which compare the progressive development of fabrics resulting from different recrystallization regimes and different straining geometries. It is found that these fabrics can evolve significantly with progressive strain from one strong fabric pattern to another. The effect of recrystallization is not only to create point maxima concentrations of c-axes, but also to modify and create girdle distributions. Correlations are made between the fabrics generated by this model and previously reported quartz and ice fabrics.

Original languageEnglish
Pages (from-to)779-793
Number of pages15
JournalJournal of Structural Geology
Volume10
Issue number8
DOIs
Publication statusPublished - 1 Jan 1988
Externally publishedYes

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