Fold geometry and folding – a review - ScienceDirect
Fold (geology) - Wikipedia
Geology - Classification of fold on the basis of interlimb angle. Fold is define as undulation in the rock due to forces. Interlimb angle is define as the angle between the plane
Folds – Physical Geology Laboratory
Definition & Meaning of "Fold" | LanGeek
What is the difference between a fold and a fault, geologically? - Quora
How to Fold Ingredients [Tips and Step-by-Step Photos]