Estimation of viscosity contrasts and finite strain from deformed elliptical inclusions

Lisle, Richard John, Rondeel, H. E., Doorn, D., Brugge, J. and Van de Gaag, P. 1983. Estimation of viscosity contrasts and finite strain from deformed elliptical inclusions. Journal of Structural Geology 5 (6) , pp. 602-609. 10.1016/0191-8141(83)90072-X

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Abstract

A method of strain analysis is described which takes into account a possible competence difference between the strain markers and the rest of the rock. Using data consisting of the sectional shapes and orientations of groups of inclusions from conglomerate-like rocks, limits are placed on the possible effective viscosity contrast between the inclusions and the rock as a whole as well as on the bulk finite strain suffered by the rock. These results are calculated using a computer program, based on the theory for the deformation of elliptical cylinders. The method can be considered an extension of the Rf/φ method, but provides more information and involves less restrictive assumptions.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Earth and Environmental Sciences
Subjects:	Q Science > QE Geology
Publisher:	Elsevier
ISSN:	0191-8141
Last Modified:	04 Jun 2017 02:11
URI:	https://orca.cardiff.ac.uk/id/eprint/10650

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