Hangingwall deformation above inverted 3D listric fault systems - Insights from experiments and section-balancing techniques

Yasuhiro Yamada, Ken McClay

研究成果: Contribution to journalArticle査読

抄録

Fault geometry is a primary control on hangingwall deformation. In this study, a series of inversion analogue experiments was conducted by using rigid fault surfaces of spoon-like true 3D geometries. The hangingwall geometry on serial sections of the experiments was then examined with conventional 2D geometric models. The deformation geometry of the hangingwall has an along-strike variation corresponding to the 3D geometry of the underlying detachment. The apparent shear plane inclination and the estimated shortening also show a systematic change along strike. These changes suggest that the hangingwall displacement had an along-strike element during deformation; the hangingwall material moves from the regions above salients to those above embayments in the detachment surface during contraction. The data presented in this paper help us understand 3D geometric relations between the hangingwall deformation and the underlying detachment surfaces.

本文言語英語
ページ(範囲)655-658
ページ数4
ジャーナルSEG Technical Program Expanded Abstracts
20
1
DOI
出版ステータス出版済み - 1 1 2001
外部発表はい

All Science Journal Classification (ASJC) codes

  • 地盤工学および土木地質学
  • 地球物理学

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