The document outlines key geological concepts related to folds, including elements such as anticline and syncline folds, as well as various related terms like faults, joints, and unconformities. It also emphasizes the significance of aerial photographs and rock cleavage in understanding these geological structures. The information is presented from the perspective of an engineering geology course by Prof. A.K. Baile.

1. Developed By : Prof. A. K. Baile
Assistant Professor of Engineering Geology

2. FOLD
FAULT
JOINTS
UNCONFORMITY

6.  Limbs
 Axial Plane
 Axis of Fold
 Crest And Trough
 Plunge
A

7. ELEMENTS OF FOLD

9. • Anticline Fold
• Syncline Fold

19. • Aerial Photographs
• Repetitions of outcrops of rock
• Positions of old rocks at axial plane of fold
• Rock cleavage