Article Dans Une Revue Comptes rendus de l’Académie des sciences. Série IIb, Mécanique Année : 1996

Stability of a density-stratified two-layer system

Résumé

The results of a linear and a non-linear stability analysis are presented for the system composed of a cohesive, frictional overburden resting on a viscous substratum of lower density. Stability depends on the in situ stress and not solely on the density contrast, as for visco-elastic models. It is shown that an unstable system evolves towards a stable fold whose finite amplitude is a function of the tectonic force. However, if faulting occurs in the overburden during the fold development, the structure then collapses in a chevron mode.

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hal-00111523 , version 1 (28-02-2025)

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  • HAL Id : hal-00111523 , version 1

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Patrick Massin, Nicolas Triantafyllidis, Yves M Leroy. Stability of a density-stratified two-layer system. Comptes rendus de l’Académie des sciences. Série IIb, Mécanique, 1996, 322, pp.407-413. ⟨hal-00111523⟩
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