Tuesday 19 August 2014

Fold

When the compressional force applied under high confining pressure, rock beds tend to yield folding. Fording result in shorting and thickening of rock bed
Terminology
Anticline, Syncline, Limb, Axial plain, Axis of fold,Plunge of fold
Types of fold
Symmetrical fold - Two limbs dip in same angle but in opposite direction, axial plain is vertical and passing through crest and tough.