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Kinematics of oceanic thrusting and subduction from basal sections of ophiolites

Nature volume 296, pages 825828 (29 April 1982) | Download Citation

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Abstract

The structural analysis of high stress deformation at the base of the peridotite section in many ophiolites in suture zones enables the kinematics of oceanic convergence responsible for the suture to be defined. This deformation results from the thrusting over oceanic crust of a young lithosphere involved in a subduction process. Flow plane, flow line, sense of shear related to the thrusting are geometrically deduced from the study of mineral preferred orientations in the basal peridotite and in the quartzites belonging to the amphibolite sole.

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  1. Laboratoire de Tectonophysique, Université de Nantes, rue de la Houssinière, 44072 Nantes Cedex, France

    • F. Boudier
    • , A. Nicolas
    •  & J. L. Bouchez

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https://doi.org/10.1038/296825a0

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