Fold-to-Fault Progression of a Major Thrust Zone Revealed in Horses of the North Mountain Fault Zone, Virginia and West Virginia, USA
Figure 15
Conceptual model showing fold-to-fault progression and relationship of upright and overturned horses in the fault zone. (a) Overturned anticline-syncline pair with axial planes (dashed lines) and location of oblique and splay faults (heavy line). (b) Thrust faulting with origin of upright horse from upright limb of anticline. (c) Thrust faulting with origin of overturned horse from overturned limb of anticline. (d) Thrust fault zone showing current land surface and decapitated overturned anticline.
