Research Article

[Retracted] Initiation of Triangle Zones by Delamination, Shear, and Compaction at the Front of Fold-and-Thrust Belts

Table 1

Geometrical and material properties for the triangle wedge and the six collapse mechanisms presented in Figure 3 unless they are varied (var.) in the analysis.

SymbolDefinitionValueUnit

Décollement dip2deg
Material unit weight2500Pa/m
Bulk friction angle30deg
Bulk compaction angle40deg
Bulk cohesion10MPa
Bulk compaction strength at surfaceVar.MPa
Bulk compaction strength gradientVar.MPa
Décollement friction angle10deg
Décollement cohesionVar.MPa
Décollement tensile strength0MPa