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Seismic Anisotropy of the Uppermost Mantle under Oceans

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Abstract

OLIVINE in rock-forming aggregates has a strong tendency during flow or deformation to develop a preferred orientation of its crystallographic axes. Turner1 describes a number of olivine fabrics developed under a variety of conditions. The pertinent examples, his figures numbers 7, 10 and 13, show fabrics for banded dunites in which the b crystallographic axis is strongly concentrated perpendicular to the banding, and figure 16, in which b is perpendicular to a plane of pronounced fissility. The (010) plane of olivine is the plane of the best cleavage and most probable glide plane for this mineral.

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References

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Authors and Affiliations

  1. Department of Geology, Princeton University, New Jersey

    H. H. HESS

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  1. H. H. HESS
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HESS, H. Seismic Anisotropy of the Uppermost Mantle under Oceans. Nature 203, 629–631 (1964). https://doi.org/10.1038/203629a0

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