Pub. Date:
Springer Netherlands
Evolution of Geological Structures in Micro- to Macro-scales / Edition 1

Evolution of Geological Structures in Micro- to Macro-scales / Edition 1

by S. Sengupta


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Structural geology has developed at a very rapid pace in recent years. Evolution of Geological Structures in Micro- to Macro-Scales, covering a wide spectrum of current research in structural geology from the grain scale to the scale of orogenic belts and from the brittle to the ductile field, provides an overview of newly emerging concepts in a single volume. The book covers a wide range of advances in such broad fields as hydraulic factures, normal faults, overthrusts, ductile shear zones, rock fabrics, folds, superposed folds and basement structures.

Product Details

ISBN-13: 9780412750304
Publisher: Springer Netherlands
Publication date: 12/31/1997
Edition description: 1997
Pages: 500
Product dimensions: 7.01(w) x 10.00(h) x 0.04(d)

Table of Contents

Part One: Fractures, faults, nappes. Hydraulic fractures and their implications regarding the state of stress in a sedimentary sequence during burial. Geometry and development of normal faults. Normal faulting and exhumation of metamorphic rocks in mountain belts. Evolution of salients in a fold-and-thrust belt: the effects of sedimentary basin geometry. Plunging fault propagation folds: a case study from the Bhutan Himalayas. Thermal variations along Moine thrust zone from illite crystallinity. Overthrust shear in mountain building. Imbricate thrust spacing: experimental and theoretical analysis. Part Two: Ductile shear zones. Practical analysis of general shear zones using the porphyroclast hyperbolic distribution method: an example from the Scandinavian Caledonides. Shear zones in foliated rocks: geometry and kinematics. Development of compressional and extensional structures during progressive ductile shearing, main central thrust zone, Lesser himachal Himalaya. Deformed lineation in ductile shear zones: a case study from the Proterozoic fold belt of Singhbhum, eastern India. Construction and prospective use of displacement difference vectors (DDV) in vertical sections across shear belts: outline of a new method. Part Three: Fabric. Crystal rotation and growth during grain flow in a deforming crystal mush. Strain and crystallographic fabric pattern in a folded calcite vein: the dependence on initial fabric. Volume loss and slaty cleavage development. Contrasting fabrics in deformed dykes and host rocks: natural examples and a simplified model. Part Four: Folds and superposed folds. A fold classification scheme based on a polar plot of inverse layer thickness. Modelling deformation partitioning in folds. Simple shear modification of chevron folds: implications for facing interpretation, strain analysis and deformation history. Sense of fold asymmetry in single-phase and superposed folding. Interpretation of regional fold interference structures in South East Norway based on the comparison with model experiments. Continuous and discontinuous events in orogenic deformation. Part Five: Basement structures. the geometry of a deformed unconformity in the Caledonides of North West Scotland. Tectonic evolution of deep crustal structures in the mid Proterozoic Albany-Fraser Orogen, Western Australia. Cryptic structural trends in basement revealed by Patterson diagrams: examples from the Scottish and Irish Caledonian Orogen. Index.

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