How does shear zone nucleate? An example from the Suretta nappe (Swiss Eastern Alps)
详细信息 查看全文
- 作者：Philippe Goncalvesa ; philippe.goncalves@univ-fcomte.fr" class="auth_mail" title="E-mail the corresponding author ; Jean-Charles Poilveta ; Emilien Oliotb ; 1 ; Pierre Trapa ; Didier Marquera
- 关键词：Shear zone nucleation ; Brittle-ductile transition ; Fluid&ndash ; rock interaction ; Suretta nappe ; Alps
- 刊名：Journal of Structural Geology
- 出版年：2016
- 出版时间：May 2016
- 年：2016
- 卷：86
- 期：Complete
- 页码：166-180
- 全文大小：10205 K
文摘
- •
Ductile shear zone within the Roffna metarhyolite nucleated from brittle precursors.
- •
Syn-kinematic metamorphic assemblage nucleated under HP-BT metamorphic conditions.
- •
Quartz CPO reveals a switch from fracturation to SGR and dislocation creep.
- •
Diffusion-accommodated grain boundary sliding is effective in the mature shear zone.
- •
Fluid infiltration plays a key role in the development of ductile shear zone.