FINITE ELEMENT MODELLING OF THE EVOLUTION OF PRESSURE SOLUTION CLEAVAGE
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dc.contributor.author | Fueten F. | |
dc.contributor.author | Robin P.Y.F. | |
dc.contributor.author | Schweinberger M. | |
dc.date.accessioned | 2021-04-15T02:40:29Z | |
dc.date.available | 2021-04-15T02:40:29Z | |
dc.date.issued | 2002 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=913644 | |
dc.identifier.citation | Journal of Structural Geology, 2002, 24, 6-7, 1055-1064 | |
dc.identifier.issn | 0191-8141 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/27842 | |
dc.description.abstract | Deformation by 'pressure solution' (or 'water-assisted stress-induced diffusion transfer') is modelled by incorporating volume transfers - driven by variations in mean stress and competency contrast - into a finite element code for viscous deformation. The model assumes a two-component, quartz-mica mixture with a composition-dependent rheology in which the viscosity of an element is solely dependent upon the volume fraction of the mobile quartz component. Both quartz-rich and mica-rich compositions are given a high competency, with a minimum viscosity at some intermediate fraction. The model is able to reproduce many structures observed in natural tectonites: propagation and coalescence of pressure solution seams, formation of microlithons and anastomosing cleavage, and, more generally, tectonic segregation. | |
dc.subject | FINITE ELEMENT MODELLING | |
dc.subject | PRESSURE SOLUTION CLEAVAGE | |
dc.subject | VISCOUS DEFORMATION | |
dc.title | FINITE ELEMENT MODELLING OF THE EVOLUTION OF PRESSURE SOLUTION CLEAVAGE | |
dc.type | Статья |
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