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TitleShear-sense indicators: a review
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LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorHanmer, S; Passchier, C
SourceGeological Survey of Canada, Paper no. 90-17, 1991, 72 pages, https://doi.org/10.4095/132454 Open Access logo Open Access
Image
Year1991
Documentserial
Lang.English
Mediapaper; on-line; digital
File formatpdf
Subjectsstructural geology; faults; shear zones; shearing; fractures; folds; foliation; structural analyses; structural features; shearing; deformation; strain; rheology; inclusions; veins
Illustrationsblock diagrams; histograms; photographs; graphs
Released1991 11 01; 2011 12 09
AbstractThe critical evaluation of the kinematic significance of natural geological deformation structures, with particular reference to the determination of shear-sense, requires a high degree of familiarity with the basic concepts of flow, and the influence of material properties ( discontinuities, rheological layering, anisotropy) on the nature of flow at the local scale. This contribution begins with a chapter on flow, followed by three chapters which critically examine geological deformation structures which are commonly used as shear-sense indicators: foliations, stiff inclusions and their attendant wings and, finally, folds and veins.
GEOSCAN ID132454

 
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