转折 面 A 拐 转折端 槽线 Geometric elements of folds inter-limb angle A.翼邵平直的稻皱的翼问角;以.弧形稻皱的翼闻角
Geometric elements of folds inter-limb angle
hinge lines axIs axial plane axial surface B (imaginary) Axis, axial plane and axial surface
Axis , axial plane and axial surface
A antiform B synform C neutral fold younger older(core) older younger(core) axial surface of anticline D. Anticline, fold faces upwards E antiformal syncline, fold faces downwards. F refolded recumbent anticline
D. Anticline, fold faces upwards E.antiformal syncline, fold faces downwards. F. refolded recumbent anticline
-180 120 Classification of folds based on the inter-limb angle
Classification of folds based on the inter-limb angle
The band is the zone in which the common short straight limb bounded by the two adjacent fold surfaces Markedly asymmetric chevron with a very long limb and a very short limb
Markedly asymmetric chevron with a very long limb and a very short limb The band is the zone in which the common short straight limb bounded by the two adjacent fold surfaces