Parts of a Fold
Description
The main structural components that define a geological fold.
Original diagram by Colegio Madrigal.
5 Terms
Show in diagram
Axial plane: plane that contains all the hinges of the strata
Core: inner part of the fold
Fold axis: intersection of the axial plane with the hinge.
Hinge: zone of maximum curvature of each stratum
Limb: side of the fold located on one side of the hinge.