| People | Locations | Statistics |
|---|---|---|
| Naji, M. |
| |
| Motta, Antonella |
| |
| Aletan, Dirar |
| |
| Mohamed, Tarek |
| |
| Ertürk, Emre |
| |
| Taccardi, Nicola |
| |
| Kononenko, Denys |
| |
| Petrov, R. H. | Madrid |
|
| Alshaaer, Mazen | Brussels |
|
| Bih, L. |
| |
| Casati, R. |
| |
| Muller, Hermance |
| |
| Kočí, Jan | Prague |
|
| Šuljagić, Marija |
| |
| Kalteremidou, Kalliopi-Artemi | Brussels |
|
| Azam, Siraj |
| |
| Ospanova, Alyiya |
| |
| Blanpain, Bart |
| |
| Ali, M. A. |
| |
| Popa, V. |
| |
| Rančić, M. |
| |
| Ollier, Nadège |
| |
| Azevedo, Nuno Monteiro |
| |
| Landes, Michael |
| |
| Rignanese, Gian-Marco |
|
Piazolo, Sandra
University of Leeds
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024Hydrous shear zones are sites of melt transfer in the lower arc crustcitations
- 2023Grain growth of natural and synthetic ice at 0 °Ccitations
- 2023Grain growth of natural and synthetic ice at 0 °Ccitations
- 2018Generation of amorphous carbon and crystallographic texture during low-temperature subseismic slip in calcite fault gougecitations
- 2017Crystallography of refractory metal nuggets in carbonaceous chondritescitations
- 2017Crystallography of refractory metal nuggets in carbonaceous chondrites: a transmission Kikuchi diffraction approachcitations
- 2017Characterization of Ultra-fine Grained and Nanocrystalline Materials Using Transmission Kikuchi Diffractioncitations
- 2015Messengers from the deepcitations
- 2012Deformation microstructures reveal a complex mantle history for polycrystalline diamondcitations
- 2011The effect of Dauphiné twinning on plastic strain in quartzcitations
Places of action
| Organizations | Location | People |
|---|
article
Generation of amorphous carbon and crystallographic texture during low-temperature subseismic slip in calcite fault gouge
Abstract
<p>Identification of the nano-scale to micro-scale mechanochemical processes occurring during fault slip is of fundamental importance to understand earthquake nucleation and propagation. Here we explore the micromechanical processes occurring during fault nucleation and slip at subseismic rates (~3 × 10<sup>-6</sup> m s<sup>-1</sup>) in carbonate rocks. We experimentally sheared calcite-rich travertine blocks at simulated upper crustal conditions, producing a nano-grained fault gouge. Strain in the gouge is accommodated by cataclastic comminution of calcite grains and concurrent crystal-plastic deformation through twinning and dislocation glide, producing a crystallographic preferred orientation (CPO). Continued wear of fine-grained gouge particles results in the mechanical decomposition of calcite and production of amorphous carbon. We show that CPO and the production of amorphous carbon, previously attributed to frictional heating and weakening during seismic slip, can be produced at low temperature during stable slip at subseismic rates without slip weakening.</p>