Mechanisms of plastic deformation of olivine
| Autor: | C. B. Raleigh |
|---|---|
| Rok vydání: | 1968 |
| Předmět: |
Atmospheric Science
Soil Science Mineralogy Slip (materials science) Aquatic Science Plasticity engineering.material Oceanography Geochemistry and Petrology Earth and Planetary Sciences (miscellaneous) Earth-Surface Processes Water Science and Technology Diopside Olivine Ecology Condensed matter physics Lüders band Paleontology Forestry Strain rate Overburden pressure Geophysics Space and Planetary Science visual_art visual_art.visual_art_medium engineering Deformation (engineering) Geology |
| Zdroj: | Journal of Geophysical Research. 73:5391-5406 |
| ISSN: | 0148-0227 |
| DOI: | 10.1029/jb073i016p05391 |
| Popis: | Olivine deformed experimentally at 5-kb confining pressure undergoes plastic flow by slip on several systems. The active slip system is determined from microscopic study of slip bands, deformation lamellas and kink bands. At temperatures less than 1000°C the slip systems are {110} [001], (100) [001], and (100) [010]. At 1000°C, slip on {0kl} [100], pencil glide in [100], the system shown here to be predominant in naturally deformed terrestrial olivine, occurs in addition to the system {110} [001] and becomes the predominant mechanism with decreasing strain rate. Dependence of glide mechanism on temperature and strain rate is also observed in diopside. Data of the sort acquired in these experiments may be used to place limits on the possible temperatures and strain rates of naturally deformed rocks. |
| Databáze: | OpenAIRE |
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