… olivine flow is grain-size insensitive at 8 GPa, which suggests that dislocation creep dominates
olivine … we find evidences of the activation of olivine dislocation slip systems. Specimen …

… Using recent flow laws of olivine, deformation maps of dry and wet olivine are constructed …
P = 6.28 GPa and T = 900 C. For dry olivine, diffusion creep is the dominant mechanism in all …

… of edge dislocations, was a dominant deformation mechanism above 500 C in our samples.
… San-Carlos olivine C 44 increases from 64.6 GPa at room pressure to 84.1 GPa at 9 GPa, ie…

… change in deformation mechanism in olivine between 500 … San Carlos olivine at up to 5.3
GPa confining pressure and … The flow stress of polycrystalline olivine at 500 C and 5 GPa …

… dislocation creep mechanisms under both dry and wet conditions. We show that olivine rheology
… K, p = 0.3 GPa, and d = 15 μm) and are compared with the best fit flow law based on the …

… of olivine rheology is also relevant to the mechanism … 8 GPa indicated the onset of measurable
flow. At this point, the strength of the material is low enough that stress initiates plastic flow…

… flow mechanism for olivine at mantle conditions. We present here the experimental data of
deforming olivine in … olivine data, one at 1 GPa for dry olivine, and two for wet olivine, one at 1 …

… single crystals, at pressure (P) ranging from 3.5 to 8.5 GPa, … , on our present understanding
of mantle flows. This issue has … several mechanisms responsible for olivine dislocation creep, …

… The flow laws derived from the mechanical data in this study are consistent with a …
mechanism during power-law creep to the operation of a glide-controlled dislocation mechanism …

… ranging from 3.5 to 6.8 GPa, at constant strain rates between … flow law yields a Peierls stress
σ P 0 = 7.4 ( 0.5 ) GPa and an … mechanism during low-temperature creep in iron-rich olivine. …