Dislocation substructure of experimentally deformed olivine |
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| Authors: | J D Blacic J M Christie |
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| Institution: | (1) Geophysics Program and Geological Sciences, University of Washington, 98195 Seattle, Washington;(2) Department of Geology, University of California, 90024 Los Angeles, California |
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| Abstract: | Dunite, experimentally deformed at 800° C, exhibits predominantly pure screw dislocations parallel to 001] and dense, tangled zones of dislocations subparallel to the plane (001). Olivine single crystals experimentally deformed at 900° C, are characterized by pure screw dislocations parallel to 001] and 100], and dislocations of undetermined character with Burgers vectors 001]. All observations are consistent with deformation mechanisms deduced from optically visible features. |
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