The petrologic and petrochronologic record of progressive vs polyphase deformation: Opening the analytical toolbox
The concepts of progressive and polyphase deformation have been widely applied by
structural geologists to explain complexly deformed rocks, particularly for ductile conditions …
structural geologists to explain complexly deformed rocks, particularly for ductile conditions …
Grain boundary sliding in San Carlos olivine: Flow law parameters and crystallographic‐preferred orientation
LN Hansen, ME Zimmerman… - Journal of Geophysical …, 2011 - Wiley Online Library
We performed triaxial compressive creep experiments on aggregates of San Carlos olivine
to develop a flow law and to examine microstructural development in the dislocation …
to develop a flow law and to examine microstructural development in the dislocation …
Plausible constraints on the range of bulk terrestrial exoplanet compositions in the solar neighborhood
Rocky planet compositions regulate planetary evolution by affecting core sizes, mantle
properties, and melting behaviors. Yet, quantitative treatments of this aspect of exoplanet …
properties, and melting behaviors. Yet, quantitative treatments of this aspect of exoplanet …
Crystallographic preferred orientation produced by diffusional creep of harzburgite: Effects of chemical interactions among phases during plastic flow
M Sundberg, RF Cooper - Journal of Geophysical Research …, 2008 - Wiley Online Library
Experimental deformation experiments have been conducted on fine‐grained, two‐phase
aggregates of olivine and orthopyroxene to investigate the role of grain and phase boundary …
aggregates of olivine and orthopyroxene to investigate the role of grain and phase boundary …
Crystallographic preferred orientation of olivine in sheared partially molten rocks: The source of the “a‐c switch”
To investigate the mechanism that produces the crystallographic preferred orientations
(CPO) characteristic of sheared partially molten rocks of mantle composition, we analyzed …
(CPO) characteristic of sheared partially molten rocks of mantle composition, we analyzed …
Deformation of olivine in torsion under hydrous conditions
We performed torsional deformation experiments on pre-hydrated fine-grained olivine
aggregates using an innovative experimental assembly to investigate water weakening in …
aggregates using an innovative experimental assembly to investigate water weakening in …
Dislocations in minerals
Dislocations in minerals have a long history: The first images of dislocations ever seen were
obtained by Seidentopf in 1905 on rocksalt (halite) with an optical microscope. Since then …
obtained by Seidentopf in 1905 on rocksalt (halite) with an optical microscope. Since then …
Axial‐type olivine crystallographic preferred orientations: The effect of strain geometry on mantle texture
V Chatzaras, SC Kruckenberg… - Journal of …, 2016 - Wiley Online Library
The effect of finite strain geometry on crystallographic preferred orientation (CPO) is poorly
constrained in the upper mantle. Specifically, the relationship between shape preferred …
constrained in the upper mantle. Specifically, the relationship between shape preferred …
Strain localization in olivine aggregates at high temperature: A laboratory comparison of constant-strain-rate and constant-stress boundary conditions
LN Hansen, ME Zimmerman, AM Dillman… - Earth and Planetary …, 2012 - Elsevier
We performed high-strain torsion experiments on aggregates of Fo50 olivine to test the
influence of imposed boundary conditions on localizing deformation. We deformed both …
influence of imposed boundary conditions on localizing deformation. We deformed both …
Evolution and demise of passive margins through grain mixing and damage
D Bercovici, E Mulyukova - Proceedings of the National …, 2021 - National Acad Sciences
How subduction—the sinking of cold lithospheric plates into the mantle—is initiated is one of
the key mysteries in understanding why Earth has plate tectonics. One of the favored …
the key mysteries in understanding why Earth has plate tectonics. One of the favored …